For 50 years, The Lee Company has pioneered the design and development of miniature fluid control components for aerospace hydraulic and fuel systems, medical and scientific instrumentation, machine tool controls, inkjet printing, downhole drilling, and countless other industries worldwide.
This site is organized around these two main product areas:

Lee is the world leader in precision miniature Micro-Hydraulic Components for aerospace and high pressure hydraulic systems including plugging devices, solenoid valves, restrictors, valves for constant pressure or flow and high pressure safety screens.

Lee is also the world leader in Electro-Fluidic Systems featuring solenoid valves and fluid handling accessories used in low pressure fluid and gas handling for applications including micro-dispensing, control valves, chemically inert valves and pumps, tubing and connectors.

• Hydraulic valve: Check valve
• Hydraulic valve: Directional control valve
• Hydraulic valve: Pressure control valve
• Hydraulic valve: Pilot operated pressure relief valve
• Hydraulic valve: Electrohydraulic valve
• Hydraulic valve: Solenoid valves
• Hydraulic plug
• Miniature hydraulic pressure reducing valve
• Hydraulic valve: Restrictor check valve
• Nozzles
• Miniature hydraulic check valve
• Hydraulic valve: Relief valve
• Hydraulic valve: Electro fluid control valve
• High speed micro dispensing valve