Miniature Precision Fluid Control Components
The Lee Company manufactures miniature hydraulic, pneumatic and electro-fluidic components in Westbrook and Essex, Connecticut. Its catalog spans expansion plugs, check and relief valves, flow restrictors, sole...
- 1948 Founded
- 1k-5k Employees
- $224-224mRevenue
Industry Focus: Aerospace & DefenseAutomotive & TransportationData Centers & Critical FacilitiesMedical Devices & Healthcare EquipmentOil, Gas & PetrochemicalScientific Instrumentation & Analytical EquipmentEnergy & Power Generation (inc. Renewables)
- Expansion Sealing Plugs
- Removable Threaded Plugs
- Check Valves
- Pressure Relief Valves
- Fill and Drain Valves
- Shuttle Valves
- Flow Metering Valves
- Flow Restrictors
- Shut-Off Valves
- Solenoid Valves
- Fluid-Control Pumps
- Integrated Fluid Manifolds
- Fluid-Connection Fittings
- Safety Screen Filters
- Miniature Dispensing Nozzles
- Rupture Discs
- Peak Pressure Recorders
Product Family
Expansion Sealing Plugs
Permanent passage sealing is handled by Lee Plugs, Betaplugs and related expansion designs for hydraulic and pneumatic housings. Lee Plugs and tapered Betaplugs lock and seal without threads, sealants or O-rings; RFO designs accommodate thi...
Product Lines
Tapered Expansion PlugsThin-Wall Expansion PlugsCross-Port Sealing Plugs
Manufacturer Status
- MFR.ID Created: 10/1/2026
- Last Updated: 10/5/2026