{"schemaVersion":"mfr-id-profile.v1","profileUrl":"https://mfr.io/okeefecontrols","jsonUrl":"https://mfr.io/okeefecontrols.json","markdownUrl":"https://mfr.io/okeefecontrols.md","approval":{"status":"approved","label":"Manufacturer Approved","originalApprovalDate":"2025-07-08T00:00:00.000Z","originalApprovalDateDisplay":"7/8/2025","lastUpdatedDate":"2026-05-28T11:33:52.112Z","lastUpdatedDateDisplay":"5/28/2026","reviewedBy":["O'Keefe Controls Co.","MFR.io"],"statement":"This MFR.ID profile for O'Keefe Controls Co. has been supplied, reviewed, and approved by O'Keefe Controls Co. originally on 7/8/2025. It was last updated on 5/28/2026. The capability information shown here, including services, equipment, processes, industries served, facility details, certifications, lead times, capacity indicators, and RFQ-relevant capabilities, was provided or confirmed by O'Keefe Controls Co. and reviewed by MFR.io for sourcing accuracy and completeness. This MFR.ID profile serves as an expanded public capability record for buyer discovery, supplier screening, and RFQ evaluation. O'Keefe Controls Co.'s own website may provide a general overview; this profile includes structured, manufacturer-approved capability details authorized for public sourcing use."},"company":{"mfrId":"okeefecontrols","name":"O'Keefe Controls Co.","shortName":"O’Keefe Controls","profileType":"default","companyType":"Component Manufacturer","companySubType":"Component Manufacturer","specialization":"Precision Fluid Control Device Manufacturing","description":"O’Keefe Controls Co. is a manufacturer of high-reliability, long-life precision fluid control devices including precision orifices, check valves, tamperproof flow controls, miniature in-line screens and breathers, stainless steel fittings, bulkhead connectors, and pneumatic float valves and level sensors. Established in 1975 and headquartered in Monroe, CT, the company serves diverse industries such as medical devices, pharmaceuticals, aerospace, energy, and food processing. It is ISO 9001:2015 certified and recognized for advanced engineering support, custom manufacturing capabilities, and commitment to continuous improvement and customer satisfaction. The Monroe facility functions as the main manufacturing and corporate headquarters, supporting technical customer services and new product design and development.","yearFounded":"1975","website":"https://www.okeefecontrols.com","leadTime":{"min":2,"max":6,"unit":"weeks","display":"2-6 weeks"},"employees":{"min":11,"max":50,"display":"11-50"},"revenue":{"min":5000000,"max":10000000,"display":"$5M-$10M"},"contact":{"email":"info@okeefecontrols.com","phone":"+1 203-261-6711"},"address":{"streetAddress":"4 Maple Drive","city":"Monroe","state":"Connecticut","postalCode":"06468","country":"United States","latitude":41.299864,"longitude":-73.24916},"industries":[{"name":"Medical Devices & Healthcare Equipment","description":"O’Keefe Controls manufactures precision micro-orifices and calibrated flow restrictors designed specifically for medical devices, providing critical gas-flow accuracy and reliable leak-testing performance in ventilators, diagnostic equipment, and respiratory therapy systems."},{"name":"Scientific Instrumentation & Analytical Equipment","description":"As a leading manufacturer of precision orifices and miniature valves, O’Keefe Controls supplies analytical instrument makers with essential components that ensure repeatable, stable gas-flow rates in chromatographs, mass spectrometers, and leak detection calibrators."},{"name":"Industrial Machinery & Heavy Equipment","description":"Providing miniature check valves and highly accurate flow restrictors for integration into industrial automation equipment, O’Keefe Controls enables manufacturers to precisely manage pneumatic and hydraulic flows in robotics, packaging machines, and automated production systems."},{"name":"Food & Beverage Processing","description":"O’Keefe Controls produces corrosion-resistant stainless steel fittings and precision orifices tailored for food and beverage processing equipment, ensuring hygienic fluid handling and accurate dosing in sanitary environments."},{"name":"Pharmaceuticals & Biotechnology","description":"Specializing in chemically inert precision fluid-control components, O’Keefe Controls supplies pharmaceutical manufacturers with highly accurate orifices and valves for reactors, filtration skids, and filling equipment to maintain product purity."},{"name":"Chemicals, Plastics & Advanced Materials","description":"O’Keefe Controls manufactures rugged pneumatic float valves and stainless steel orifices specifically designed for chemical processing environments, providing safe and reliable fluid-level management in explosive and corrosive atmospheres."},{"name":"Energy & Power Generation (inc. Renewables)","description":"Manufacturing precision flow-control orifices and valves for energy production systems, O’Keefe Controls optimizes the delivery and regulation of fuel, coolant, and purge-gas flows in turbines, boilers, and heat-treatment equipment."},{"name":"Oil, Gas & Petrochemical","description":"O’Keefe Controls provides explosion-proof pneumatic valves and precision flow components used in oil and gas refining equipment, ensuring safe fluid handling, accurate leak detection, and controlled sample flows under hazardous conditions."},{"name":"Aerospace & Defense","description":"Manufacturing lightweight, reliable micro-orifices and miniature check valves, O’Keefe Controls supports aerospace hydraulic, fuel, and environmental control systems requiring precise performance under extreme vibration and temperature conditions."},{"name":"Automotive & Transportation","description":"Supplying calibrated leak orifices and durable check valves, O’Keefe Controls enables automotive manufacturers to conduct precise leak testing and reliably manage fluid control systems critical to emissions compliance and vehicle safety."}],"certifications":[{"name":"RoHS 3 Compliance","type":"Compliance","authority":"European Commission","url":"https://ec.europa.eu/environment/topics/waste-and-recycling/rohs-directive_en","status":"Unknown","scope":"Compliance with RoHS 3 directive for hazardous substances in products"},{"name":"REACH Compliance","type":"Compliance","authority":"European Chemicals Agency (ECHA)","url":"https://environment.ec.europa.eu/topics/chemicals/reach-regulation_en","status":"Unknown","scope":"Compliance with REACH regulation for chemical substances in products"},{"name":"Conflict Minerals Compliance","type":"Compliance","authority":"U.S. Securities and Exchange Commission (SEC)","url":"https://www.sec.gov/opa/Article/2012-2012-163htm---related-materials.html","status":"Unknown","scope":"Compliance with Conflict Minerals Rule under U.S. Dodd-Frank Act"},{"name":"ISO 9001:2015","type":"Certification","authority":"International Organization for Standardization (ISO)","url":"https://www.iso.org/iso-9001-quality-management.html","status":"Active","scope":"Quality Management System (QMS) for precision fluid control device manufacturing","issueDate":"2017-10-30","expirationDate":"2026-10-29"}]},"verificationStatus":{"areas":[{"type":"Business Entity","label":"Business Entity","status":"Verified","date":"2025-05-12T00:00:00.000Z","dateDisplay":"5/12/2025","display":"Verified 5/12/2025"},{"type":"Technical Capabilities","label":"Technical Capabilities","status":"Verified","date":"2025-07-08T00:00:00.000Z","dateDisplay":"7/8/2025","display":"Verified 7/8/2025"},{"type":"Locations & Facilities","label":"Locations & Facilities","status":"Verified","date":"2025-05-12T00:00:00.000Z","dateDisplay":"5/12/2025","display":"Verified 5/12/2025"},{"type":"Reviews & Ratings","label":"Reviews & Ratings","status":"Not yet verified","display":"Not yet verified"}],"mfrIdCreatedDate":"2025-04-30T19:11:34.741Z","mfrIdCreatedDateDisplay":"4/30/2025","lastUpdatedDate":"2026-05-28T11:33:52.112Z","lastUpdatedDateDisplay":"5/28/2026"},"capabilities":[{"id":"182dc159-7114-492d-a01c-7977bd494d02","name":"Precision Orifices","process":"Precision Orifices","description":"Precision metal, sapphire, and MICRO-ORIFICES® that meter flow in liquids or gases. Bore sizes span 0.0003–0.125 in (≈8–3,175 µm) depending on series. Series-specific options include upstream 304 SS mesh screens (10, 15, 25, 100 µm). Working pressure depends on body/connection: stainless metal orifices to 4,000 psig (select NPT models to 5,000 psig), brass NPT ≤ 2,000 psig, 10-32 UNF and barb/push-on 100–140 psig, sapphire assemblies 100 psig. Threaded-insert styles list 300 °F (149 °C) max. Flow-specified/calibrated variants are available on request; catalog flow tables are generic.","highlights":["Orifice diameters 0.0003 – 0.125 in; Micro 0.0003 – 0.0050 in; Sapphire 0.0012 – 0.0252 in (32 sizes)","Optional 304 SS screens in 10, 15, 25, or 100 µm","Stainless metal orifices to 4,000 psig (select NPT to 5,000 psig); brass NPT ≤ 2,000 psig; 10-32 UNF & barb/push-on 100–140 psig; sapphire assemblies 100 psig","Series materials: Brass, 303 SS, 316 SS, synthetic sapphire (304 SS appears on select styles)","Flow-specified options with test data from instruments calibrated to NIST-traceable standards (the data set itself is NOT a NIST-traceable — we do NOT provide NIST-traceable certificates)"],"subprocesses":["Metal Precision Orifices","Sapphire Precision Orifices","MICRO-ORIFICES®","Flow-Specified / Calibrated Orifices","Orifices with Integrated Filter Screens"],"specifications":[{"id":"19a624fa-0875-45ca-b15c-282e3b74c1b5","criteria":"Diameter Tolerance — Metal","label":"Diameter Tolerance — Metal","type":"measurement","display":{"kind":"text","text":"0.0005 in (0.0127 mm)"},"notes":"Across all metal series: ±0.0005 in; applies to the nominal bore specified in the part number."},{"id":"74913180-b6cc-47df-ab5b-29767f672a46","criteria":"Production Scale","label":"Production Scale","type":"production_scale","display":{"kind":"list","items":["Prototype (1-10 parts)","Short Run (11-500 parts)","Medium Run (501-10000 parts)","Mass Production (10001+ parts)"]},"notes":"Catalog items in any quantity; custom builds typically 1–1,000 units depending on spec."},{"id":"c08936b0-592d-405e-ac71-f59f3a108e90","criteria":"Operating Temperature Range (typical)","label":"Operating Temperature Range (Typical)","type":"measurement_range","display":{"kind":"text","text":"32-300 °F (0-149 °C)"},"notes":"Driven by body and seals; threaded-insert styles commonly list 300 °F (149 °C) max."},{"id":"c11d7689-2393-4937-8ffa-2565648e80e7","criteria":"Integrated Screen Aperture Range","label":"Integrated Screen Aperture Range","type":"measurement_range","display":{"kind":"text","text":"10-100 µm"},"notes":"304 SS mesh upstream; discrete apertures 10, 15, 25, 100 µm; screen callout appears in PN."},{"id":"6d28326a-ecc9-45e2-9f9a-cd7e75d02360","criteria":"Flow Tolerance (Acceptance) — MICRO-ORIFICES®","label":"Flow Tolerance (Acceptance) — MICRO ORIFICES®","type":"string","display":{"kind":"text","text":"Tight flow tolerance verified per item at stated ΔP (see website for series-specific values)."},"notes":"Acceptance is by measured flow rather than bore tolerance."},{"id":"685ad1c2-b952-4746-bccb-d1a4fcf00a77","criteria":"Materials Supported","label":"Materials Supported","type":"string[]","display":{"kind":"list","items":["Brass","303 Stainless Steel","316 Stainless Steel","304 Stainless Steel (select styles)","Synthetic Sapphire","Nylon (sapphire sleeve)"]},"notes":"Metal orifices commonly supplied in Brass, 303 SS, or 316 SS; availability varies by configuration."},{"id":"451d1af6-1564-46d3-9057-f74ed3ac5e19","criteria":"Orifice Diameter Range (all series)","label":"Orifice Diameter Range (All Series)","type":"measurement_range","display":{"kind":"text","text":"0.0003-0.125 in (0.0076-3.175 mm)"},"notes":"Covers Precision Micro-Orifice®, Precision Metal Orifices, and Precision Sapphire Orifices."},{"id":"af4720e2-3cd2-40bd-9ac2-3fbd53419e93","criteria":"Typical Lead Time","label":"Typical Lead Time","type":"lead_times","display":{"kind":"text","text":"2-6 weeks"},"notes":"Stock ships in days; standard build 2–3 weeks; calibrated or custom 4–6 weeks, load-dependent."},{"id":"01b37a76-5663-4d3c-bde0-1cc2e8864068","criteria":"Connections","label":"Connections","type":"list","display":{"kind":"list","items":["NPT (e.g., 1/8 in, 1/4 in)","10-32 UNF","Compression (OD tube)","Barb","Press-Fit","Threaded Insert","Face-Seal Fittings","SAE","JIC"]},"notes":"Thread/port style is series-specific; thread size and port type are defined by the part number."},{"id":"e72fb1ad-012a-43d1-a988-1f7ad1a58a51","criteria":"Diameter Tolerance — Sapphire","label":"Diameter Tolerance — Sapphire","type":"measurement","display":{"kind":"text","text":"0.0003 in (0.0076 mm)"},"notes":"Standard ±0.0003 in for sapphire jewels; some assemblies list ±0.0005 in; tolerance fixed per PN."},{"id":"64df140a-b0c3-4c9c-9e2f-7a8742f6994d","criteria":"Maximum Working Pressure (by body/connection)","label":"Maximum Working Pressure (By Body/Connection)","type":"measurement_range","display":{"kind":"text","text":"Up to 5000 psig (Up to 344.7 bar)"},"notes":"Max by body/connection: SS NPT 4,000–5,000 psig; brass NPT ≤2,000 psig; 10-32 UNF 100–200 psig; barb 100 psig; sapphire 100 psig."}]},{"id":"97baad8d-bf64-49bb-9f18-efbdb80d28fd","name":"Check Valves","process":"Check Valves","description":"O’Keefe Controls check valves provide compact, one-way flow control with discrete cracking-pressure options and multiple port styles. Catalog models in brass or 303 stainless steel cover working pressures from 125 to 2,000 psig (connection-dependent) with maximum temperatures up to 300 °F. Port options include 10-32 UNF, 1/8–3/8 NPT, and threaded inserts (UNF & metric), including variants with a nose O-ring face seal.","highlights":["Cracking-pressure options from 0 to 125 psid (series dependent) for precise one-way control","Working pressure capability from 125 to 2,000 psig depending on connection and valve style","Maximum service temperature up to 300 °F based on seal compound and construction","Port styles: 10-32 UNF, 1/8–3/8 NPT, and threaded inserts (UNF & metric), some with nose O-ring","Bodies in Brass or 303 SS; choose elastomer or all-metal seat to balance shutoff vs. durability"],"subprocesses":["Disk-Type Miniature Check Valves","Ball-Type Miniature Check Valves","Cartridge (Thread-In) Check Valves","Checked Orifices – Metered Flow / Reverse Block"],"specifications":[{"id":"0954783a-243f-4628-89ce-8c751ccc50f3","criteria":"Sealing Performance","label":"Sealing Performance","type":"list","display":{"kind":"list","items":["All-metal seat (not bubble-tight)","Elastomer seat (improved shutoff)"]},"notes":"All-metal seats are not bubble-tight; elastomer seats yield improved shutoff in many media."},{"id":"201afcda-1205-40ee-9791-1e4fa6401ce8","criteria":"Production Scale","label":"Production Scale","type":"production_scale","display":{"kind":"list","items":["Prototype (1-10 parts)","Short Run (11-500 parts)","Medium Run (501-10000 parts)","Mass Production (10001+ parts)"]},"notes":"Built-to-order cells support prototype lots through high-volume orders with consistent quality."},{"id":"73e8b5e8-bbb6-429e-8c2c-dd589ff33381","criteria":"Maximum Working Pressure Range","label":"Maximum Working Pressure Range","type":"measurement_range","display":{"kind":"text","text":"125-2000 psig"},"notes":"By connection: 10-32 125 psig; threaded inserts 125–1,000 psig; NPT up to 2,000 psig."},{"id":"98b06384-4c12-42a1-8ee3-260e219e3009","criteria":"Typical Lead Time","label":"Typical Lead Time","type":"lead_times","display":{"kind":"text","text":"2-6 weeks"},"notes":"Standard catalog valves ship in 2–3 weeks; engineered specials typically 4–6 weeks."},{"id":"ecaca404-09e1-4ad2-8635-c181ef074d3b","criteria":"Cracking Pressure Options","label":"Cracking Pressure Options","type":"list","display":{"kind":"list","items":["0 psid","2 psid","10 psid","15 psid"]},"notes":"Series-dependent options; specials may be available with MOQs."},{"id":"f87c62cb-cbf9-4c52-89e3-280d90817bbb","criteria":"Overall Length Range","label":"Overall Length Range","type":"measurement_range","display":{"kind":"text","text":"0.425-2.11 in"},"notes":"Body length varies by port size and style; compact sizes support dense panel layouts."},{"id":"a500f523-f778-4dd3-bb0f-d06a47e7d034","criteria":"Orifice Diameter Range","label":"Orifice Diameter Range","type":"measurement_range","display":{"kind":"text","text":"0.01-0.094 in"},"notes":"Across catalog models; diameter varies with seat style and port size."},{"id":"071bdbe6-9b7a-4f2f-8721-599798156837","criteria":"Seal Options","label":"Seal Options","type":"string[]","display":{"kind":"list","items":["Buna-N (Nitrile)","Viton (FKM)","Silicone"]},"notes":"Elastomer sets media and heat limits; excludes thread sealants such as Loctite 542."},{"id":"748db7f4-4dca-457f-8972-50212cf1a894","criteria":"Ball / Poppet Materials","label":"Ball / Poppet Materials","type":"string[]","display":{"kind":"list","items":["302 Stainless Steel","304 Stainless Steel","440C Stainless Steel","Nitrile (Buna-N)"]},"notes":"Metal balls (302/304/440C) or elastomer poppets (Nitrile); selection drives shutoff behavior."},{"id":"92fbb8ec-1e3c-44be-96a8-a2277a9e4046","criteria":"Maximum Temperature","label":"Maximum Temperature","type":"measurement","display":{"kind":"text","text":"300 °F"},"notes":"Seal-dependent maxima: Viton 300 °F, Silicone 225 °F, Nitrile about 120 °F."},{"id":"1ae6fb6f-51ba-4451-9a10-c762840b1d1f","criteria":"Body Materials","label":"Body Materials","type":"string[]","display":{"kind":"list","items":["Brass","303 Stainless Steel"]},"notes":"Brass for economy; 303 SS for corrosion resistance and higher pressure capability."},{"id":"0b2baf69-efbe-4cd5-bcd1-8676555b4b7c","criteria":"Threaded Insert Sizes","label":"Threaded Insert Sizes","type":"list","display":{"kind":"list","items":["10-32","5/16-24","7/16-20","M3.5","M5","M6","M8"]},"notes":"Insert thread options include UNF (10-32, 5/16-24, 7/16-20) and metric (M3.5, M5, M6, M8)."},{"id":"20d6e541-f9ad-4c4e-8634-4d91c3aaef29","criteria":"Connection Styles","label":"Connection Styles","type":"list","display":{"kind":"list","items":["10-32 UNF Female","10-32 UNF Male","10-32 UNF Threaded Insert","10-32 UNF Threaded Insert O-ring seal","1/8\" NPT Female","1/8\" NPT Male","1/4\" NPT Female","1/4\" NPT Male","3/8\" NPT Female","M5 Female","M5 Male","M3.5 Threaded Insert","M3.5 Threaded Insert O-Ring seal","M5 Threaded Insert","M5 Threaded Insert O-Ring seal","M6 Threaded Insert O-Ring seal","M8 Threaded Insert","M8 Threaded Insert O-Ring seal","5/16-24 UNF Threaded Insert O-ring seal","7/16-20 UNF Threaded Insert O-ring seal"]},"notes":"10-32 UNF, 1/8–3/8 NPT, and threaded-insert ports; some versions include a nose O-ring face seal."}]},{"id":"b6f46725-a893-42cb-86c3-8b13b944ca79","name":"Flow Controls","process":"Precision Flow-Control Components","description":"O’Keefe Controls fixed-orifice flow controls meter in one direction with free return, or meter in both directions for bidirectional models. Families cover 10-32 UNF couplings/adapters, threaded-insert styles, and 1/8 in NPT nipples. Bodies are brass or 303 stainless with Buna-N or stainless balls. Typical ratings by format: 10-32 UNF fixed/bidirectional 125 psig; 10-32 checked-orifice couplings 200 psig; 10-32 threaded inserts 125–1,000 psig; 1/8 in NPT fixed 200 psig; and high-pressure 1/8 in NPT checked-orifice 2,000 psig. Orifice codes 04–60 (0.004–0.060 in) define the metering range across the line.","highlights":["One-way metered/free-return and true bidirectional metering in compact, miniature formats","Ports: 10-32 UNF male/female, 10-32 threaded insert, M5 male/female, and 1/8 in NPT male","Bodies in Brass or 303 SS; ball options in Buna-N or 302/304 SS for temperature/chemical fit","Pressure by format: 125 psig (10-32 fixed/bidir), 200 psig (10-32 coupling), 125–1,000 psig (insert), 200/2,000 psig (NPT)","Temperature by ball: 300 °F with stainless, 180 °F with Buna-N; pick material to match media","Orifice codes 04–60 (0.004–0.060 in) tune flow for air, water, light oils, and hydraulics"],"subprocesses":["Adjustable Flow Control Valves","Metered-Flow / Free-Return Flow Controls","Bidirectional Metered Flow Controls","Needle-Style Micro Flow Regulators"],"specifications":[{"id":"f8ab515f-d511-405a-8feb-0d1393c69862","criteria":"Typical Lead Time","label":"Typical Lead Time","type":"lead_times","display":{"kind":"text","text":"3-6 weeks"},"notes":"Standard configurations ship in 3–6 weeks; unique port/orifice codes may extend timing modestly."},{"id":"0e75277d-0836-49ed-8ba9-ba4f560011fd","criteria":"Maximum Operating Pressure — 1/8 in NPT (High-Pressure Checked-Orifice)","label":"Maximum Operating Pressure — 1/8 In NPT (High Pressure Checked Orifice)","type":"measurement","display":{"kind":"text","text":"2000 psig"},"notes":"≈137.9 bar. High-pressure NPT checked-orifice variants for demanding duty cycles."},{"id":"904c3c8f-524a-4cb6-84f2-1f61698e50f7","criteria":"Port Connections","label":"Port Connections","type":"list","display":{"kind":"list","items":["10-32 UNF Male","10-32 UNF Female","10-32 UNF Threaded Insert","M5 Male","M5 Female","1/8 in NPT Male"]},"notes":"10-32/M5 suit compact manifolds; 1/8 in NPT male for inline piping; inserts seal in tapped ports."},{"id":"b741674f-397e-482c-a257-89e40467814f","criteria":"Cracking Pressure Options (Free-Return Check)","label":"Cracking Pressure Options (Free Return Check)","type":"list","display":{"kind":"list","items":["0 psid","2 psid","10 psid","125 psid"]},"notes":"Differential opening pressure of the bypass check; some rows show psig—treat as psid for consistency."},{"id":"42d98d91-502e-4298-9507-7c92cad5f75f","criteria":"Maximum Operating Pressure — 1/8 in NPT (Fixed Flow Controls)","label":"Maximum Operating Pressure — 1/8 In NPT (Fixed Flow Controls)","type":"measurement","display":{"kind":"text","text":"200 psig"},"notes":"≈13.8 bar. NPT nipple assemblies for general pneumatic/hydraulic service."},{"id":"eee9bb89-2c91-4a60-9089-cc726e6b6cd4","criteria":"Overall Length","label":"Overall Length","type":"measurement_range","display":{"kind":"text","text":"0.425-1.4 in"},"notes":"≈10.8–35.6 mm. Verify clearance for fittings and wrench flats in the installed orientation."},{"id":"f2f22bd9-c339-4466-ba0b-c0acf010f16c","criteria":"Production Scale","label":"Production Scale","type":"production_scale","display":{"kind":"list","items":["Prototype (1-10 parts)","Short Run (11-500 parts)","Medium Run (501-10000 parts)","Mass Production (10001+ parts)"]},"notes":"Catalog-configurable builds with low MOQs; blankets support stable supply and consistent pricing."},{"id":"c7350816-ef93-4a72-bf86-4c33588db14a","criteria":"Seal / Adhesive (Assembly)","label":"Seal / Adhesive (Assembly)","type":"string[]","display":{"kind":"list","items":["Viton (FKM)","Loctite 609","Loctite 680"]},"notes":"Viton seals common; Loctite used on select NPT/insert builds for retention and sealing."},{"id":"7c57084d-b49b-4bf8-a9cd-e75f9e89ffd6","criteria":"Maximum Operating Pressure — 10-32 UNF (Fixed/Bidirectional)","label":"Maximum Operating Pressure — 10 32 UNF (Fixed/Bidirectional)","type":"measurement","display":{"kind":"text","text":"125 psig"},"notes":"≈8.6 bar. Format rating is independent of orifice code; verify by body style, not diameter."},{"id":"a4697306-363b-4318-98c7-aa31dd7e0af6","criteria":"Cv — Low-Flow Orifice (Bidirectional)","label":"Cv — Low Flow Orifice (Bidirectional)","type":"measurement_range","display":{"kind":"text","text":"0.00035-0.013 Cv"},"notes":"Low-flow orifice controls one direction; select code to match required minimum controllable flow."},{"id":"08e5069d-d45f-42f5-ac5a-1b89a71da7e0","criteria":"Orifice Diameter Range","label":"Orifice Diameter Range","type":"measurement_range","display":{"kind":"text","text":"0.004-0.06 in"},"notes":"Codes 04–60 map to 0.004–0.060 in (≈0.102–1.524 mm). Pick diameter to set the usable flow window."},{"id":"e79aa0ba-a590-481a-bde2-fe05d36bd248","criteria":"Ball Materials","label":"Ball Materials","type":"string[]","display":{"kind":"list","items":["Buna-N","302 SS","304 SS"]},"notes":"Buna-N provides soft sealing; 302/304 SS offer durability and 300 °F temperature capability."},{"id":"1f0021cf-c84e-46a8-8abc-bc40343abf74","criteria":"Cv — High-Flow Orifice (Bidirectional)","label":"Cv — High Flow Orifice (Bidirectional)","type":"measurement_range","display":{"kind":"text","text":"0.0025-0.02 Cv"},"notes":"High-flow orifice sets the reverse direction range; pair with low-flow code for symmetry."},{"id":"1a0af1f3-2778-4fcf-8000-63613f778a78","criteria":"Maximum Temperature — Buna-N Ball","label":"Maximum Temperature — Buna N Ball","type":"measurement","display":{"kind":"text","text":"180 °F"},"notes":"≈82 °C. Softer seal for reliable seating; choose Buna-N where chemistry and temp permit."},{"id":"9f49ffad-730e-4402-a7bb-7faf3fb362be","criteria":"Nominal Orifice Code Range","label":"Nominal Orifice Code Range","type":"measurement_range","display":{"kind":"text","text":"4-60 code"},"notes":"Two-digit code equals bore in thousandths of an inch; 04≈0.004 in through 60≈0.060 in (0.102–1.524 mm)."},{"id":"d2709f67-22df-4840-96b8-5922fdc8b41f","criteria":"Maximum Temperature — Stainless Ball","label":"Maximum Temperature — Stainless Ball","type":"measurement","display":{"kind":"text","text":"300 °F"},"notes":"≈149 °C. Stainless ball builds support higher temperature service with chemical resistance."},{"id":"91174217-fd1f-4ad0-900b-8a34d7017f41","criteria":"Maximum Operating Pressure — 10-32 UNF (Checked-Orifice Coupling)","label":"Maximum Operating Pressure — 10 32 UNF (Checked Orifice Coupling)","type":"measurement","display":{"kind":"text","text":"200 psig"},"notes":"≈13.8 bar. Coupling bodies with integral check for higher UNF service pressure."},{"id":"18505fb3-ec91-4a3d-ab98-bf378aea1751","criteria":"Body Materials","label":"Body Materials","type":"string[]","display":{"kind":"list","items":["Brass","303 SS"]},"notes":"Brass for general duty; 303 stainless where corrosion resistance or cleanliness is preferred."},{"id":"5151ed2b-ebc6-43ba-baa3-88f91e951797","criteria":"Maximum Operating Pressure — 10-32 UNF Threaded Insert","label":"Maximum Operating Pressure — 10 32 UNF Threaded Insert","type":"measurement_range","display":{"kind":"text","text":"125-1000 psig"},"notes":"≈8.6–68.9 bar. Depends on build and materials used in the insert-style assemblies."}]},{"id":"b791ba03-e8fd-4577-a3b7-6d952226101a","name":"Fixed Flow Rate Orifices","process":"Fixed Flow-Rate Orifices","description":"Factory-set inline orifices for WATER service that hold a near-constant flow within a 15–150 psig differential-pressure window. Brass bodies with female NPT ports (1/4\", 3/8\", 1/2\", 3/4\"). Operating 32–160 °F; max operating pressure 150 psig. Discrete setpoints from 0.20–10.00 gpm (by port size) using a resilient Buna-N diaphragm—suited for fixture capping, coolant dosing, and water-circuit balancing.","highlights":["Constant-flow ΔP window: 15–150 psig (≈1.0–10.3 bar)","Female NPT sizes: 1/4\", 3/8\", 1/2\", 3/4\"","Cast brass body; Buna-N resilient orifice element","Operating temperature 32–160 °F (≈0–71 °C)","Max operating pressure 150 psig (≈10.3 bar)","Overall size across line: length 1.75–2.56 in; height 1.06–1.53 in"],"subprocesses":["Inline Fixed Flow Regulator Assemblies"],"specifications":[{"id":"6accf565-50e2-42be-89a5-8127ed9abe73","criteria":"Constant-Flow Differential Pressure Window","label":"Constant Flow Differential Pressure Window","type":"measurement_range","display":{"kind":"text","text":"15-150 psig (1-10.3 bar)"},"notes":"Flow remains near-constant within this ΔP window (water at room temperature)."},{"id":"10de0351-3250-4d3e-8611-249db7f8457d","criteria":"Nominal Flow Settings (water)","label":"Nominal Flow Settings (Water)","type":"measurement_range","display":{"kind":"text","text":"0.2-10 gpm (0.76-37.85 L/min)"},"notes":"Overall setpoint envelope; discrete values are port-size specific (see list below)."},{"id":"42d28b77-951d-4a0a-a9ce-d8a1115937e8","criteria":"Inlet/Outlet Type","label":"Inlet/Outlet Type","type":"string[]","display":{"kind":"list","items":["NPT Female × NPT Female"]},"notes":"Same thread both ends; select size to match your line."},{"id":"b976fb34-09ef-4bf9-be93-4562b0408bd7","criteria":"Connection Sizes","label":"Connection Sizes","type":"list","display":{"kind":"list","items":["1/4\" NPT","3/8\" NPT","1/2\" NPT","3/4\" NPT"]},"notes":"Available female NPT sizes for this series."},{"id":"ed45c0cc-6945-4d87-a7ae-6f4ff1aab02f","criteria":"Body Material","label":"Body Material","type":"string[]","display":{"kind":"list","items":["Cast Brass"]},"notes":"Catalog FFRO water/NPT series uses a cast brass body."},{"id":"cd265715-fae6-4b4f-9522-0dd93cedcd88","criteria":"Maximum Operating Pressure","label":"Maximum Operating Pressure","type":"measurement","display":{"kind":"text","text":"150 psig (10.3 bar)"},"notes":"Do not exceed 150 psig line pressure for FFRO water/NPT models."},{"id":"f11b0cb7-f527-4ba7-b8a6-77ee15e84e1f","criteria":"Production Scale","label":"Production Scale","type":"production_scale","display":{"kind":"list","items":["Prototype (1-10 parts)","Short Run (11-500 parts)","Medium Run (501-10000 parts)","Mass Production (10001+ parts)"]},"notes":"FFRO line supports prototyping through high-volume supply."},{"id":"b7e52716-0e6f-4fdb-b205-03b767ae0281","criteria":"Overall Length","label":"Overall Length","type":"measurement_range","display":{"kind":"text","text":"1.75-2.56 in (44.5-65 mm)"},"notes":"Across the family; value increases with port size."},{"id":"ba0d4489-c0fa-47bd-b660-5b75675c6bda","criteria":"Diaphragm Material","label":"Diaphragm Material","type":"string[]","display":{"kind":"list","items":["Buna-N (Nitrile)"]},"notes":"Elastomer is Buna-N; verify chemical compatibility with your water chemistry."},{"id":"a5cfacb9-236d-4ef6-b820-6000b404a438","criteria":"Operating Temperature Range","label":"Operating Temperature Range","type":"measurement_range","display":{"kind":"text","text":"32-160 °F (0-71 °C)"},"notes":"Water service; verify suitability if fluid or ambient exceeds these limits."},{"id":"28d45d71-0b94-4442-ad42-b8a47afb3d80","criteria":"Typical Lead Time","label":"Typical Lead Time","type":"lead_times","display":{"kind":"text","text":"3-6 weeks"},"notes":"Standard flows typically ship in 3–4 weeks; custom flows may add up to ~2 weeks."},{"id":"62ae1180-a99e-4651-b443-b45a36141763","criteria":"Overall Height","label":"Overall Height","type":"measurement_range","display":{"kind":"text","text":"1.06-1.53 in (26.9-38.9 mm)"},"notes":"Hex across flats; varies with port size."},{"id":"c5d16e37-066e-4d48-b658-0034e4de4c5d","criteria":"Intended Medium","label":"Intended Medium","type":"string[]","display":{"kind":"list","items":["Water"]},"notes":"Series is calibrated for water; contact O’Keefe if other media are required."},{"id":"f42f24e5-40a9-4dcc-b0a7-c30ee3d449a0","criteria":"Flow Setpoints (gpm) by Port Size","label":"Flow Setpoints (Gpm) By Port Size","type":"list","display":{"kind":"list","items":["1/4 in: 0.20, 0.25, 0.30, 0.40, 0.50, 0.60, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00 gpm","3/8 in: 0.30, 0.40, 0.50, 0.60, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00 gpm","1/2 in: 0.50, 0.60, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.00 gpm","3/4 in: 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00 gpm"]},"notes":"Pick the exact setpoint for your port size; the MPN encodes the chosen gpm value."},{"id":"61bb6b4b-df76-4bb4-acf1-2013c4ec2b00","criteria":"Flow Accuracy (water)","label":"Flow Accuracy (Water)","type":"measurement","display":{"kind":"text","text":"10 %"},"notes":"Factory-calibrated in water at 60 °F; ±10% of rated flow within the 15–150 psig window."}]},{"id":"33c4ff14-4c43-4cbf-a334-988351324b2c","name":"Miniature In-Line Screens & Breathers","process":"Miniature In-Line Screens & Breathers","description":"Miniature stainless-mesh screens and breathers that protect orifices, valves, and enclosures. Families include bound/unbound discs, 10-32 UNF in-line couplers/adapters, NPT screen nipples, screened-orifice adapters, barb styles, tube connectors, and press-fit sleeves. Standard retentions are 0.0004\", 0.0006\", 0.001\", and 0.004\" (10/15/25/100 µm). Typical operating pressures are 100 psig on many assemblies, 125 psig on selected NPT or barb styles, and 4,000 psig on the SLR4 tube connector. Screen/system differential is commonly limited to 100 psid.","highlights":["Four particle-retention options: 0.0004\", 0.0006\", 0.001\", 0.004\" (10/15/25/100 µm)","Connections: 10-32 UNF; 1/8\" & 1/4\" NPT; 1/16\" & 1/8\" ID barb; 1/4\" OD tube; press-fit sleeves","Operating pressures: 100 psig common; 125 psig on select NPT/barb; 4,000 psig on SLR4","Select adapters rated 2,000 psig (brass) or 4,000 psig (stainless) fitting/assembly pressure","Body/disc ODs from 0.165\" miniature to 8.000\" disc formats; typical bodies 0.254–0.75\"","Representative series: QSB/BMB/EMB, FFS/FMS, ESO/BSO, BTSS/BWSS, DSO/GSO, SLR4, SSA/SSB/SSC, XSA/XSB/XSC/XSD/XSF/XSG/XSH"],"subprocesses":["Inline Screen Filter Assemblies","Fine Screen Breather Vents","Screened Orifice Combinations","Stainless Steel Wire Screen Discs"],"specifications":[{"id":"cce154b2-cce7-4c33-b57c-9166be427c0a","criteria":"Maximum Operating Pressure (SLR4 Tube Connector)","label":"Maximum Operating Pressure (SLR4 Tube Connector)","type":"measurement","display":{"kind":"text","text":"4000 psig (275.8 bar)"},"notes":"316 SS compression tube connector for high-pressure service."},{"id":"70847094-bd99-413a-900a-93d0434623c9","criteria":"Body Length Range","label":"Body Length Range","type":"measurement_range","display":{"kind":"text","text":"0.188-1.38 in (4.78-35.05 mm)"},"notes":"Overall length varies by body geometry and port size within the family."},{"id":"af234001-53d7-4e85-922f-7e1ecd1b4a5d","criteria":"Connection Styles","label":"Connection Styles","type":"list","display":{"kind":"list","items":["10-32 UNF (male/female; couplers/adapters)","1/8\" NPT (male/female)","1/4\" NPT (male/female)","1/16\" ID Barb","1/8\" ID Barb","1/4\" OD Tube (compression)","Press-fit sleeve (0.219/0.220 or 0.320/0.321\" bore)"]},"notes":"Select thread, barb, tube, or sleeve style to match the receiving port and duty."},{"id":"6f9cf6f4-4df2-4e04-8910-a593824c64f3","criteria":"Materials (Body/Housing)","label":"Materials (Body/Housing)","type":"list","display":{"kind":"list","items":["303 Stainless Steel","316 Stainless Steel","Brass"]},"notes":"Select brass for general service; 303/316 SS for corrosion resistance or higher pressure."},{"id":"b0a3f215-55b5-4610-8300-a928fbfc0483","criteria":"Press-Fit Sleeve Length","label":"Press Fit Sleeve Length","type":"measurement","display":{"kind":"text","text":"0.188 in (4.78 mm)"},"notes":"Nominal sleeve length common to both sizes for consistent cavity stack-up."},{"id":"941575f0-6327-4225-8244-4ac8b494f85c","criteria":"Standard Screen Ratings","label":"Standard Screen Ratings","type":"list","display":{"kind":"list","items":["0.0004\" (10 µm)","0.0006\" (15 µm)","0.001\" (25 µm)","0.004\" (100 µm)"]},"notes":"Micron choices vary by family and port; values shown in inches then microns."},{"id":"00d3a087-6dbe-4ae2-a291-ae41cb11e30f","criteria":"Press-Fit Sleeve Inside Diameter","label":"Press Fit Sleeve Inside Diameter","type":"measurement_range","display":{"kind":"text","text":"0.156-0.25 in (3.96-6.35 mm)"},"notes":"Inside diameters are 0.156 in and 0.250 in; select for desired open area."},{"id":"dfe91681-9d0a-4131-8b02-fc73115a2843","criteria":"Screen Rating Range","label":"Screen Rating Range","type":"measurement_range","display":{"kind":"text","text":"0.0004-0.004 in (10-100 µm)"},"notes":"Available retentions: 10, 15, 25, 100 µm; choose to match particle size and flow."},{"id":"de4b30d5-6826-405c-84b9-2f19b0217681","criteria":"Press-Fit Sleeve Bore","label":"Press Fit Sleeve Bore","type":"measurement_range","display":{"kind":"text","text":"0.219-0.321 in (5.56-8.15 mm)"},"notes":"Two bores offered: 0.219/0.220 in and 0.320/0.321 in for typical cavity fits."},{"id":"d8e35c89-5441-40cd-85da-b495798ef7bb","criteria":"Representative Series","label":"Representative Series","type":"list","display":{"kind":"list","items":["QSB/BMB/EMB — Fine screen breathers","FFS/FMS — 10-32 UNF in-line screens","ESO/BSO — NPT hex nipple in-line screens","BTSS/BWSS — Barb adapters with screens","DSO/GSO — Screened-orifice adapters","SLR4 — Screen/orifice tube connector","SSA/SSB/SSC — Bound screen discs","XSA/XSB/XSC/XSD/XSF/XSG/XSH — Unbound screen discs"]},"notes":"Series code conveys connection, body material, and available micron options."},{"id":"e7786fc2-72d3-45eb-8b3a-cc912c3cfcff","criteria":"Screen Disc Style","label":"Screen Disc Style","type":"list","display":{"kind":"list","items":["Bound (SSA/SSB/SSC)","Unbound (XSA/XSB/XSC/XSD/XSF/XSG/XSH)"]},"notes":"Bound discs include a rim for handling; unbound discs suit tight packaging."},{"id":"8de442e4-9e47-4c07-8637-a167d9e23181","criteria":"Typical Lead Time","label":"Typical Lead Time","type":"lead_times","display":{"kind":"text","text":"2-5 weeks"},"notes":"Standard items often ship quickly; specialty builds may extend lead time."},{"id":"5501cfd3-937a-4920-9e14-72105db26db6","criteria":"Maximum Fitting/Assembly Pressure (Select Materials)","label":"Maximum Fitting/Assembly Pressure (Select Materials)","type":"measurement_range","display":{"kind":"text","text":"2000-4000 psig (137.9-275.8 bar)"},"notes":"Assembly rating by body material: brass around 2,000 psig; stainless around 4,000 psig."},{"id":"7fb31b61-101a-4e22-b05f-e57e8929ca7b","criteria":"Production Scale","label":"Production Scale","type":"production_scale","display":{"kind":"list","items":["Prototype (1-10 parts)","Short Run (11-500 parts)","Medium Run (501-10000 parts)","Mass Production (10001+ parts)"]},"notes":"Ranges align with platform schema to guide sourcing and scheduling."},{"id":"9bafe6fe-1813-464e-9443-14f431aef955","criteria":"Screen Mesh Material","label":"Screen Mesh Material","type":"list","display":{"kind":"list","items":["304 Stainless steel wire mesh (woven)"]},"notes":"Woven 304 stainless wire mesh used for the screen element across series."},{"id":"89bc6b38-c070-47ca-956b-1f02e2c169e2","criteria":"Maximum Operating Pressure (NPT Nipples & Barbs)","label":"Maximum Operating Pressure (NPT Nipples & Barbs)","type":"measurement","display":{"kind":"text","text":"125 psig (8.6 bar)"},"notes":"Typical of ESO/BSO and BTSS/BWSS bodies used as breathers or adapters."},{"id":"9ebf0759-ae76-4c24-9818-0cb75183a2a4","criteria":"Maximum Pressure Differential (Across Screen/System)","label":"Maximum Pressure Differential (Across Screen/System)","type":"measurement","display":{"kind":"text","text":"100 psid (6.9 bar)"},"notes":"Differential limit across the screen element to avoid damage and collapse."},{"id":"e5489290-3046-4d51-83c7-b7b28cf03c74","criteria":"Body / Disc OD Range","label":"Body / Disc OD Range","type":"measurement_range","display":{"kind":"text","text":"0.165-8 in (4.19-203.2 mm)"},"notes":"Miniature bodies typically 0.254–0.75\"; large unbound discs extend to 8.000\"."},{"id":"a7dcd6d9-b960-4192-a86b-cad0b3f11234","criteria":"Seal Material","label":"Seal Material","type":"list","display":{"kind":"list","items":["Viton (select models)"]},"notes":"Elastomer present on certain adapters and breathers; others are metal-to-metal."},{"id":"c5b3de38-3f59-4330-8acd-d031ad645db7","criteria":"Maximum Operating Pressure (General Assemblies)","label":"Maximum Operating Pressure (General Assemblies)","type":"measurement","display":{"kind":"text","text":"100 psig (6.9 bar)"},"notes":"Applies to many 10-32 and NPT screen bodies; use lowest applicable rating in service."},{"id":"135c1b5a-7c03-45a2-ad80-c53271cf53bf","criteria":"Press-Fit Sleeve Outside Diameter","label":"Press Fit Sleeve Outside Diameter","type":"measurement_range","display":{"kind":"text","text":"0.222-0.323 in (5.64-8.2 mm)"},"notes":"Outside diameters fixed at 0.222 in and 0.323 in to achieve press-fit retention."},{"id":"5fe89acb-5fa9-4fb5-b846-1d60ca088880","criteria":"Hex Size (Width Across Flats)","label":"Hex Size (Width Across Flats)","type":"measurement_range","display":{"kind":"text","text":"0.125-1 in (3.18-25.4 mm)"},"notes":"Common flats include 1/8\", 1/4\", and 1.000\"; match wrench size to selected body."}]},{"id":"3f8d0716-5052-4433-8b93-e652159ed841","name":"Miniature Stainless Steel Fittings & Bulkhead Connectors","process":"Miniature Stainless-Steel Fittings & Bulkhead Connectors","description":"Miniature adapters, straight couplers, plugs, barb fittings, press-fit inserts, and bulkhead unions for instrument manifolds and small-bore tubing. Catalog parts are machined from 303 stainless steel with 10-32 UNF, 1/8-27 NPT, and 1/4-18 NPT threads, barb IDs of 1/16 or 1/8 in, and a 0.0745 in press-fit barb insert. Family rating is 125 psig (0.86 MPa). Overall lengths span 0.28–1.96 in (7.1–49.8 mm).","highlights":["303 stainless-steel construction across catalog fittings","Connections: 10-32 UNF; 1/8-27 & 1/4-18 NPT; barb IDs 1/16, 1/8 in; 0.0745 in press-fit","Catalog maximum operating pressure: 125 psig (0.86 MPa)","Overall length range 0.28–1.96 in (7.1–49.8 mm) depending on style","FKM-sealed plug/adapter options; many unions and couplers are all-metal"],"subprocesses":["NPT-to-UNF Mini Adapters","Barb Adapters & Couplings (1⁄16″–1⁄8″)","Press-Fit Barb Inserts","Miniature Bulkhead Union Connectors","Threaded Couplers & Sealing Plugs"],"specifications":[{"id":"9ef69fdc-6b2e-4c2b-8ff9-5c58a92a17a2","criteria":"Thread / Port Size Range","label":"Thread / Port Size Range","type":"list","display":{"kind":"list","items":["10-32 UNF","1/8-27 NPT","1/4-18 NPT","Press-fit Ø 0.0745 in (1.89 mm)"]},"notes":"Male and female ends offered across UNF and NPT threads; verify per part number."},{"id":"1b23c705-e6b3-452b-b5a1-470d126ba07b","criteria":"Maximum Operating Pressure","label":"Maximum Operating Pressure","type":"measurement","display":{"kind":"text","text":"125 psig"},"notes":"Family rating 125 psig (0.86 MPa). Final limit varies with geometry and size."},{"id":"0d8af840-efd8-4c33-9100-77958c746e3c","criteria":"Bulkhead Union Kit Combinations","label":"Bulkhead Union Kit Combinations","type":"list","display":{"kind":"list","items":["10-32 UNF F ↔ 1/8-27 NPT F","10-32 UNF F ↔ 1/4-18 NPT F","10-32 UNF F ↔ 10-32 UNF F","1/4-18 NPT M ↔ 1/4-18 NPT F"]},"notes":"Combos reflect panel feed-through options; kit contents depend on part number."},{"id":"1e3ace5d-e365-49f6-b447-16cf4de1639d","criteria":"Press-Fit Shank Diameter","label":"Press Fit Shank Diameter","type":"measurement","display":{"kind":"text","text":"0.0745 in"},"notes":"Press-fit barb insert uses 0.0745 in (1.89 mm) shank; size bore for interference."},{"id":"a85ab176-40f3-4ff9-93c9-2b3390e3f70d","criteria":"Overall Length Range","label":"Overall Length Range","type":"measurement_range","display":{"kind":"text","text":"0.28-1.96 in"},"notes":"Overall length spans 0.28–1.96 in (7.1–49.8 mm) depending on connection and hex."},{"id":"7a400a50-1c42-4aed-a485-c9aec201d7ab","criteria":"Production Scale","label":"Production Scale","type":"production_scale","display":{"kind":"list","items":["Prototype (1-10 parts)","Short Run (11-500 parts)","Medium Run (501-10000 parts)","Mass Production (10001+ parts)"]},"notes":"Bands follow platform standard: 1–10, 11–500, 501–10,000, 10,001+ parts."},{"id":"68cfa370-297b-4e8c-b008-667fe7f00e47","criteria":"Typical Lead Time","label":"Typical Lead Time","type":"lead_times","display":{"kind":"text","text":"2-5 weeks"},"notes":"Typical estimate for stocked parts: 2–5 weeks; custom features may extend timing."},{"id":"15c0c1d1-6215-4c9f-92d1-ec7fa73cf90f","criteria":"Barb Size Range","label":"Barb Size Range","type":"measurement_range","display":{"kind":"text","text":"0.0625-0.125 in"},"notes":"Barb IDs for soft tubing: 1/16–1/8 in (1.6–3.2 mm); single/double-barb styles vary."},{"id":"64c57735-c5d8-4cd1-9260-ea51b8ff0d46","criteria":"Materials","label":"Materials","type":"string[]","display":{"kind":"list","items":["303 SS"]},"notes":"303 stainless-steel bodies across this family; no other grades listed in catalog."},{"id":"0de2abcf-26ed-4dad-96f5-6c3bd868b2e5","criteria":"Seal / O-Ring Options","label":"Seal / O Ring Options","type":"string[]","display":{"kind":"list","items":["Viton (FKM)"]},"notes":"Viton (FKM) appears on select plugs/adapters; many unions/couplers are all-metal."},{"id":"7ec766b3-ac8f-464b-bf04-905a2d6f8c5d","criteria":"Hex Size Range (Across Flats)","label":"Hex Size Range (Across Flats)","type":"measurement_range","display":{"kind":"text","text":"0.157-0.63 in"},"notes":"Across-flats dimension: 0.157–0.630 in (4–16 mm); catalog values are listed in mm."}]},{"id":"05495d27-339b-4904-ad55-59be37271cc3","name":"Pneumatic Float Valves & Level Controls","process":"Pneumatic Float Valves & Level Controls","description":"Float-actuated pneumatic hardware that routes a compressed-air signal as liquid level changes—providing electricity-free control for filling, draining, and alarms. The family covers side-mount and top-mount stainless-steel float valves (3-way pneumatic output) and pneumatic level-control / indicator panels. Float valves mount with a 1 in NPT male bulkhead/shank and operate on 30–85 psig air; liquid rating 200 psig; process temperature ≤ 180 °F (82 °C); ambient operating 35–140 °F (2–60 °C); minimum fluid specific gravity 0.5. Panels accept 50–125 psig inlet with a 50–100 psig operating range and 5/32 in OD push-lock ports.","highlights":["Float valves: 30–85 psig air supply; liquids to 200 psig; process ≤ 180 °F; ambient 35–140 °F; SG ≥ 0.5","1 in NPT male tank connection; 3-way pneumatic output; 0.080 in (2.03 mm) air-valve orifice","Top- or side-mount configurations; NC (output on rise) and NO (output on fall) models","Level-control panels: 50–125 psig inlet; 50–100 psig operating range; 5/32 in OD push-lock ports","Wetted materials include 301/303/304 stainless and ceramic; bracket anodized aluminum; barbs brass"],"subprocesses":["Side-Mount Pneumatic Float Valves","Top-Mount Pneumatic Float Valves","Normally Closed Pneumatic Level Switches","Normally Open Pneumatic Level Switches","Integrated 3-Way Air-Signal Float Valves"],"specifications":[{"id":"05a1a8af-1348-427a-9400-70d429eb349d","criteria":"Operation Mode (by Model)","label":"Operation Mode (By Model)","type":"list","display":{"kind":"list","items":["NC – output on liquid level rise (OKC-1536-2, OKC-1570-2)","NO – output on liquid level fall (OKC-2250-2, OKC-2271-2)"]},"notes":"Choose NC or NO to match your control logic requirements."},{"id":"d050cd0c-3c25-4d0d-8dac-16911cf28b1b","criteria":"Maximum Liquid Temperature (Float Valves)","label":"Maximum Liquid Temperature (Float Valves)","type":"measurement","display":{"kind":"text","text":"180 °F (82 °C)"},"notes":"Process (liquid) temperature limit for float valves."},{"id":"35c19bbc-87e2-475b-ad2c-6e55c4685838","criteria":"Minimum Fluid Specific Gravity","label":"Minimum Fluid Specific Gravity","type":"measurement","display":{"kind":"text","text":"0.5 SG"},"notes":"Liquids at or above this SG reliably actuate the float."},{"id":"52b1a102-996a-425b-b888-d2395a80554f","criteria":"Connection Barbs Material (Panels)","label":"Connection Barbs Material (Panels)","type":"string[]","display":{"kind":"list","items":["Brass"]},"notes":"Tubing barb material used on panel assemblies."},{"id":"ae06566c-ae5c-4d2e-b534-4b00299dfb73","criteria":"Maximum Liquid Pressure (Float Valves)","label":"Maximum Liquid Pressure (Float Valves)","type":"measurement","display":{"kind":"text","text":"200 psig (13.79 bar)"},"notes":"Process (liquid) pressure rating across OKC-1536-2 / 1570-2 / 2250-2 / 2271-2."},{"id":"58cf0fcd-2c3a-4bd5-8dd0-77b07fbfd929","criteria":"Panel Inlet Air Pressure to Regulator","label":"Panel Inlet Air Pressure To Regulator","type":"measurement_range","display":{"kind":"text","text":"50-125 psig (3.45-8.62 bar)"},"notes":"Regulator inlet range for OKC-2291, OKC-3171, OKC-2292, OKC-2289, OKC-2290."},{"id":"5ca32aaa-71f5-4c7b-9140-5359fa53cde5","criteria":"Switch Body Material","label":"Switch Body Material","type":"string[]","display":{"kind":"list","items":["Plastic"]},"notes":"Material of the pneumatic switch body on the float valve assembly."},{"id":"8d98e483-abfb-4005-bace-b8ea365686ba","criteria":"Panel Piping Connection","label":"Panel Piping Connection","type":"string[]","display":{"kind":"list","items":["5/32 in OD push-lock"]},"notes":"All listed panels use 5/32 in OD push-lock ports for interconnect tubing."},{"id":"7a7d4f70-6c77-44e3-aa76-a444f0731492","criteria":"Float Material","label":"Float Material","type":"string[]","display":{"kind":"list","items":["Stainless steel"]},"notes":"Float element material."},{"id":"91d343f5-9cc3-480f-92e2-be42db605f01","criteria":"Panel Functions (by Model)","label":"Panel Functions (By Model)","type":"list","display":{"kind":"list","items":["Wide Band Level Control — Pump Up (OKC-2291)","Wide Band Level Control — Pump Down (OKC-3171)","Narrowband Level Control (OKC-2292)","High Level Indicator (OKC-2289)","Low Level Indicator (OKC-2290)"]},"notes":"Functions are part-number specific; descriptions above reflect built-in logic."},{"id":"50eb59fd-afaa-4770-b2ca-eec0f7bc5ad1","criteria":"Air Valve Orifice Diameter (Float Valves)","label":"Air Valve Orifice Diameter (Float Valves)","type":"measurement","display":{"kind":"text","text":"0.08 in (2.03 mm)"},"notes":"Internal air-valve orifice size on float valves; 0.080 in (2.03 mm) across the OKC models."},{"id":"117714de-759d-4bed-a80a-b887f165bb94","criteria":"Panel Enclosure Dimensions — OKC-2291 / OKC-3171 / OKC-2292","label":"Panel Enclosure Dimensions — OKC 2291 / OKC 3171 / OKC 2292","type":"dimensions","display":{"kind":"text","text":"2.625L x 4W x 4H in (66.675L x 101.6W x 101.6H mm)"},"notes":"Enclosure external dimensions (W×H×D) for OKC-2291 Pump Up, OKC-3171 Pump Down, and OKC-2292 Narrowband."},{"id":"b4e720f6-745d-4327-89ff-265e96d6a478","criteria":"Bracket Material","label":"Bracket Material","type":"string[]","display":{"kind":"list","items":["Anodized aluminum"]},"notes":"Mounting bracket material."},{"id":"af8dcbcd-c197-4031-8db3-b71fc17b4379","criteria":"Wetted Materials (Float Valves)","label":"Wetted Materials (Float Valves)","type":"string[]","display":{"kind":"list","items":["301 stainless steel","303 stainless steel","304 stainless steel","Ceramic"]},"notes":"Wetted set varies by model; see individual model specs."},{"id":"6f0741ce-abfc-423b-ad17-8fbfa440bb79","criteria":"Body Material (Float Valves)","label":"Body Material (Float Valves)","type":"string[]","display":{"kind":"list","items":["Stainless steel"]},"notes":"Float valve body material."},{"id":"862596b2-a1b2-4869-a7d2-35cd18995233","criteria":"Panel Enclosure Dimensions — OKC-2289 / OKC-2290","label":"Panel Enclosure Dimensions — OKC 2289 / OKC 2290","type":"dimensions","display":{"kind":"text","text":"2.625L x 4.5W x 2.875H in (66.675L x 114.3W x 73.025H mm)"},"notes":"Enclosure external dimensions (W×H×D) for OKC-2289 High Level and OKC-2290 Low Level indicator panels."},{"id":"74cb2eaa-0a9a-4da8-8882-3f65dabadbd6","criteria":"Operating Air Supply (Float Valves)","label":"Operating Air Supply (Float Valves)","type":"measurement_range","display":{"kind":"text","text":"30-85 psig (2.07-5.86 bar)"},"notes":"Applies to OKC-1536-2, OKC-1570-2, OKC-2250-2, OKC-2271-2; supply to the float valve air stage."},{"id":"0318814b-e806-4b37-b10f-507d3b672994","criteria":"Temperature Limit (Float Valves)","label":"Temperature Limit (Float Valves)","type":"measurement","display":{"kind":"text","text":"200 °F (93 °C)"},"notes":"Upper float/assembly temperature limit. Do not exceed; process liquid must remain ≤ 180 °F (82 °C)."},{"id":"e472875e-6383-4304-bfa2-2bba920a7a04","criteria":"Installation (Float Valves)","label":"Installation (Float Valves)","type":"list","display":{"kind":"list","items":["Side mounting","Top mounting"]},"notes":"Side-mount: OKC-1536-2, OKC-2250-2. Top-mount: OKC-1570-2, OKC-2271-2."},{"id":"771bd0f0-41b0-4f43-b402-98ed50738679","criteria":"Output Air Signal (Panel)","label":"Output Air Signal (Panel)","type":"measurement_range","display":{"kind":"text","text":"50-100 psig (3.45-6.89 bar)"},"notes":"Panel output equals the regulator setting (50–100 psig)."},{"id":"2e85f4fb-0bf4-45ae-a520-d6355e4a3c89","criteria":"Output Type (Float Valves)","label":"Output Type (Float Valves)","type":"string","display":{"kind":"text","text":"3-way pneumatic"},"notes":"Routes pilot air between supply and exhaust based on float position."},{"id":"3c270a6e-3415-4e3d-9ea0-1292f46fb3e6","criteria":"Panel Operating Pressure Range","label":"Panel Operating Pressure Range","type":"measurement_range","display":{"kind":"text","text":"50-100 psig (3.45-6.89 bar)"},"notes":"Regulated operating range (also shown as Normal Pressure Setting) across panel models."},{"id":"a5b3d5f7-9b3c-4b3e-8b85-86d69aab846a","criteria":"Panel Maximum Operating Pressure","label":"Panel Maximum Operating Pressure","type":"measurement","display":{"kind":"text","text":"100 psig (6.89 bar)"},"notes":"Upper end of panel regulated operating range."},{"id":"9c37c7b2-3665-44a0-bde1-7c751dc58df6","criteria":"Tank Mount Connection (Float Valves)","label":"Tank Mount Connection (Float Valves)","type":"string[]","display":{"kind":"list","items":["1 in NPT male"]},"notes":"Bulkhead/shank connection into the tank wall on all float valve models."},{"id":"7559760c-1e1a-4481-8c74-d119e3f2ca1d","criteria":"Pneumatic Indicator Size (Panel)","label":"Pneumatic Indicator Size (Panel)","type":"measurement","display":{"kind":"text","text":"1 in (25.4 mm)"},"notes":"1 in diameter red/green pneumatic indicator (where provided)."},{"id":"6497b5ba-bc0d-467c-8b5f-f63a077f15e7","criteria":"Ambient Operating Temperature Range (Float Valves)","label":"Ambient Operating Temperature Range (Float Valves)","type":"measurement_range","display":{"kind":"text","text":"35-140 °F (2-60 °C)"},"notes":"Ambient operating envelope for float valve assemblies."}]}],"facilities":[{"id":"12240c02-f9e1-4854-87d1-c721e9ccf11b","name":"Headquarters","type":"manufacturing_facility","headquarters":true,"description":"Located in Monroe, CT—20 min from I-95, I-84, and a Metro-North freight spur—our 10 000 sq ft ISO 9001:2015-certified headquarters merges precision CNC machining, ultrasonic cleaning, laser marking, and NIST-traceable flow-test labs. Co-located engineering and production accelerate custom micro-orifice development, while same-day access to the Port of NY/NJ streamlines global shipping.","address":{"streetAddress":"4 Maple Drive","city":"Monroe","state":"Connecticut","postalCode":"06468","country":"United States","latitude":41.299864,"longitude":-73.24916},"contact":{"email":"info@okeefecontrols.com","phone":"+1 203-261-6711"}}],"jsonLd":{"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://mfr.io/#organization","name":"MFR.io","url":"https://mfr.io/"},{"@type":"WebSite","@id":"https://mfr.io/#website","name":"MFR.io","url":"https://mfr.io/","publisher":{"@id":"https://mfr.io/#organization"}},{"@type":"ProfilePage","@id":"https://mfr.io/okeefecontrols#mfr-id-profile","name":"Manufacturer Approved MFR.ID Profile for O'Keefe Controls Co.","url":"https://mfr.io/okeefecontrols","mainEntity":{"@id":"https://mfr.io/okeefecontrols#organization"},"about":{"@id":"https://mfr.io/okeefecontrols#organization"},"publisher":{"@id":"https://mfr.io/#organization"},"provider":{"@id":"https://mfr.io/#organization"},"isPartOf":{"@id":"https://mfr.io/#website"},"dateCreated":"2025-04-30T19:11:34.741Z","dateModified":"2026-05-28T11:33:52.112Z","inLanguage":"en-US","image":"https://assets.mfr.io/okeefecontrols/hero-bg-okeefecontrols.webp","encoding":[{"@type":"MediaObject","encodingFormat":"application/json","contentUrl":"https://mfr.io/okeefecontrols.json"},{"@type":"MediaObject","encodingFormat":"text/markdown","contentUrl":"https://mfr.io/okeefecontrols.md"}],"reviewedBy":[{"@id":"https://mfr.io/okeefecontrols#organization"},{"@id":"https://mfr.io/#organization"}],"text":"This MFR.ID profile for O'Keefe Controls Co. has been supplied, reviewed, and approved by O'Keefe Controls Co. originally on 7/8/2025. It was last updated on 5/28/2026. The capability information shown here, including services, equipment, processes, industries served, facility details, certifications, lead times, capacity indicators, and RFQ-relevant capabilities, was provided or confirmed by O'Keefe Controls Co. and reviewed by MFR.io for sourcing accuracy and completeness. This MFR.ID profile serves as an expanded public capability record for buyer discovery, supplier screening, and RFQ evaluation. O'Keefe Controls Co.'s own website may provide a general overview; this profile includes structured, manufacturer-approved capability details authorized for public sourcing use."},{"@type":"Organization","@id":"https://mfr.io/okeefecontrols#organization","name":"O'Keefe Controls Co.","identifier":{"@type":"PropertyValue","propertyID":"MFR_ID","value":"okeefecontrols"},"url":"https://mfr.io/okeefecontrols","sameAs":["https://www.okeefecontrols.com"],"mainEntityOfPage":{"@id":"https://mfr.io/okeefecontrols#mfr-id-profile"},"description":"O’Keefe Controls Co. is a manufacturer of high-reliability, long-life precision fluid control devices including precision orifices, check valves, tamperproof flow controls, miniature in-line screens and breathers, stainless steel fittings, bulkhead connectors, and pneumatic float valves and level sensors. Established in 1975 and headquartered in Monroe, CT, the company serves diverse industries such as medical devices, pharmaceuticals, aerospace, energy, and food processing. It is ISO 9001:2015 certified and recognized for advanced engineering support, custom manufacturing capabilities, and commitment to continuous improvement and customer satisfaction. The Monroe facility functions as the main manufacturing and corporate headquarters, supporting technical customer services and new product design and development.","foundingDate":"1975","logo":"https://assets.mfr.io/okeefecontrols/logo.webp","image":"https://assets.mfr.io/okeefecontrols/hero-bg-okeefecontrols.webp","telephone":"+1 203-261-6711","email":"info@okeefecontrols.com","address":{"@type":"PostalAddress","addressCountry":"United States","streetAddress":"4 Maple Drive","addressLocality":"Monroe","addressRegion":"Connecticut","postalCode":"06468"},"location":[{"@id":"https://mfr.io/okeefecontrols#facility-12240c02-f9e1-4854-87d1-c721e9ccf11b"}],"knowsAbout":["Precision Orifices","Check Valves","Flow Controls","Fixed Flow Rate Orifices","Miniature In-Line Screens & Breathers","Miniature Stainless Steel Fittings & Bulkhead Connectors","Pneumatic Float Valves & Level Controls"],"hasOfferCatalog":{"@type":"OfferCatalog","name":"O'Keefe Controls Co. Capability Catalog","itemListElement":[{"@type":"Offer","position":1,"itemOffered":{"@type":"Service","@id":"https://mfr.io/okeefecontrols#capability-182dc159-7114-492d-a01c-7977bd494d02","name":"Precision Orifices","provider":{"@id":"https://mfr.io/okeefecontrols#organization"},"serviceType":"Precision Orifices","description":"Precision metal, sapphire, and MICRO-ORIFICES® that meter flow in liquids or gases. Bore sizes span 0.0003–0.125 in (≈8–3,175 µm) depending on series. Series-specific options include upstream 304 SS mesh screens (10, 15, 25, 100 µm). Working pressure depends on body/connection: stainless metal orifices to 4,000 psig (select NPT models to 5,000 psig), brass NPT ≤ 2,000 psig, 10-32 UNF and barb/push-on 100–140 psig, sapphire assemblies 100 psig. Threaded-insert styles list 300 °F (149 °C) max. Flow-specified/calibrated variants are available on request; catalog flow tables are generic."}},{"@type":"Offer","position":2,"itemOffered":{"@type":"Service","@id":"https://mfr.io/okeefecontrols#capability-97baad8d-bf64-49bb-9f18-efbdb80d28fd","name":"Check Valves","provider":{"@id":"https://mfr.io/okeefecontrols#organization"},"serviceType":"Check Valves","description":"O’Keefe Controls check valves provide compact, one-way flow control with discrete cracking-pressure options and multiple port styles. Catalog models in brass or 303 stainless steel cover working pressures from 125 to 2,000 psig (connection-dependent) with maximum temperatures up to 300 °F. Port options include 10-32 UNF, 1/8–3/8 NPT, and threaded inserts (UNF & metric), including variants with a nose O-ring face seal."}},{"@type":"Offer","position":3,"itemOffered":{"@type":"Service","@id":"https://mfr.io/okeefecontrols#capability-b6f46725-a893-42cb-86c3-8b13b944ca79","name":"Flow Controls","provider":{"@id":"https://mfr.io/okeefecontrols#organization"},"serviceType":"Precision Flow-Control Components","description":"O’Keefe Controls fixed-orifice flow controls meter in one direction with free return, or meter in both directions for bidirectional models. Families cover 10-32 UNF couplings/adapters, threaded-insert styles, and 1/8 in NPT nipples. Bodies are brass or 303 stainless with Buna-N or stainless balls. Typical ratings by format: 10-32 UNF fixed/bidirectional 125 psig; 10-32 checked-orifice couplings 200 psig; 10-32 threaded inserts 125–1,000 psig; 1/8 in NPT fixed 200 psig; and high-pressure 1/8 in NPT checked-orifice 2,000 psig. Orifice codes 04–60 (0.004–0.060 in) define the metering range across the line."}},{"@type":"Offer","position":4,"itemOffered":{"@type":"Service","@id":"https://mfr.io/okeefecontrols#capability-b791ba03-e8fd-4577-a3b7-6d952226101a","name":"Fixed Flow Rate Orifices","provider":{"@id":"https://mfr.io/okeefecontrols#organization"},"serviceType":"Fixed Flow-Rate Orifices","description":"Factory-set inline orifices for WATER service that hold a near-constant flow within a 15–150 psig differential-pressure window. Brass bodies with female NPT ports (1/4\", 3/8\", 1/2\", 3/4\"). Operating 32–160 °F; max operating pressure 150 psig. Discrete setpoints from 0.20–10.00 gpm (by port size) using a resilient Buna-N diaphragm—suited for fixture capping, coolant dosing, and water-circuit balancing."}},{"@type":"Offer","position":5,"itemOffered":{"@type":"Service","@id":"https://mfr.io/okeefecontrols#capability-33c4ff14-4c43-4cbf-a334-988351324b2c","name":"Miniature In-Line Screens & Breathers","provider":{"@id":"https://mfr.io/okeefecontrols#organization"},"serviceType":"Miniature In-Line Screens & Breathers","description":"Miniature stainless-mesh screens and breathers that protect orifices, valves, and enclosures. Families include bound/unbound discs, 10-32 UNF in-line couplers/adapters, NPT screen nipples, screened-orifice adapters, barb styles, tube connectors, and press-fit sleeves. Standard retentions are 0.0004\", 0.0006\", 0.001\", and 0.004\" (10/15/25/100 µm). Typical operating pressures are 100 psig on many assemblies, 125 psig on selected NPT or barb styles, and 4,000 psig on the SLR4 tube connector. Screen/system differential is commonly limited to 100 psid."}},{"@type":"Offer","position":6,"itemOffered":{"@type":"Service","@id":"https://mfr.io/okeefecontrols#capability-3f8d0716-5052-4433-8b93-e652159ed841","name":"Miniature Stainless Steel Fittings & Bulkhead Connectors","provider":{"@id":"https://mfr.io/okeefecontrols#organization"},"serviceType":"Miniature Stainless-Steel Fittings & Bulkhead Connectors","description":"Miniature adapters, straight couplers, plugs, barb fittings, press-fit inserts, and bulkhead unions for instrument manifolds and small-bore tubing. Catalog parts are machined from 303 stainless steel with 10-32 UNF, 1/8-27 NPT, and 1/4-18 NPT threads, barb IDs of 1/16 or 1/8 in, and a 0.0745 in press-fit barb insert. Family rating is 125 psig (0.86 MPa). Overall lengths span 0.28–1.96 in (7.1–49.8 mm)."}},{"@type":"Offer","position":7,"itemOffered":{"@type":"Service","@id":"https://mfr.io/okeefecontrols#capability-05495d27-339b-4904-ad55-59be37271cc3","name":"Pneumatic Float Valves & Level Controls","provider":{"@id":"https://mfr.io/okeefecontrols#organization"},"serviceType":"Pneumatic Float Valves & Level Controls","description":"Float-actuated pneumatic hardware that routes a compressed-air signal as liquid level changes—providing electricity-free control for filling, draining, and alarms. The family covers side-mount and top-mount stainless-steel float valves (3-way pneumatic output) and pneumatic level-control / indicator panels. Float valves mount with a 1 in NPT male bulkhead/shank and operate on 30–85 psig air; liquid rating 200 psig; process temperature ≤ 180 °F (82 °C); ambient operating 35–140 °F (2–60 °C); minimum fluid specific gravity 0.5. Panels accept 50–125 psig inlet with a 50–100 psig operating range and 5/32 in OD push-lock ports."}}]}},{"@type":"LocalBusiness","@id":"https://mfr.io/okeefecontrols#facility-12240c02-f9e1-4854-87d1-c721e9ccf11b","name":"Headquarters","parentOrganization":{"@id":"https://mfr.io/okeefecontrols#organization"},"address":{"@type":"PostalAddress","addressCountry":"United States","streetAddress":"4 Maple Drive","addressLocality":"Monroe","addressRegion":"Connecticut","postalCode":"06468"},"telephone":"+1 203-261-6711","email":"info@okeefecontrols.com","description":"Located in Monroe, CT—20 min from I-95, I-84, and a Metro-North freight spur—our 10 000 sq ft ISO 9001:2015-certified headquarters merges precision CNC machining, ultrasonic cleaning, laser marking, and NIST-traceable flow-test labs. Co-located engineering and production accelerate custom micro-orifice development, while same-day access to the Port of NY/NJ streamlines global shipping."}]}}