Welcome to Lee Products
Innovation in Miniature

Since 1948, The Lee Company has pioneered the development of miniature, precision fluid control components for aerospace, down-hole oil tools, machine tools, medical / scientific instrumentation and ink-jet printing.

Lee's unique capabilities in miniaturisation and engineering expertise keep the company at the forefront of fluid flow technology.

 Lee Products maintains a sales force of graduate engineers who are ready to assist customers in solving fluid flow problems, and a significant amount of stock to ensure on-time deliveries.

Quality Assurance at Lee is a management commitment of the highest order. Lee Products Ltd. achieved accreditation to ISO9002 in 1999, ISO9001:2000 in 2003 and ISO9001:2008 in 2010 whilst The Lee Company was one of the first aerospace companies in USA to achieve accreditation to AS9000.

The Lee Company has subsidiary companies in France, Germany, Italy and Scandinavia, and is represented by agents and distributors throughout the world.

Visit our worldwide sites through our International Sales Offices page.

Product Information

Precision Microhydraulics Precision Microhydraulics

The Lee Company, for over 50 years the only authority in Microhydraulics. Components from less than 0.01 in up to 1.0 in diameter, and from 0.1 to 28 grams.

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Electrofluidic Systems Electrofluidic Systems

The first Electro-Fluidic Systems product, the Lee Interface Fluidic (LIF) solenoid valve was designed in the 1960's to meet demands for superior performance and reliability.

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Corporate Video

Product Videos

The Lee Company Valve Group - Products and Capabilities

The Lee Company provides high pressure micro hydraulic components for aerospace, down hole oil tools, Formula One racing cars and industrial gas turbines. This short video provides an overview of the design, manufacturing and test capabilities of the two Lee valve groups. The Check Valve Group manufactures check valves, restrictor checks, flow controls and shuttle valves. The Relief Valve Group manufactures pressure relief valves, thermal relief valves, floserts, bypass valves and custom relief valves.

The Lee Company Plug and Solenoid Valve Group - Products and Capabilities

The Lee Company provides high pressure micro hydraulic components for aerospace, down hole oil tools, Formula One racing cars and industrial gas turbines. This short video provides an overview of the design, manufacturing and test capabilities of the Plug and Solenoid Valve Group which manufactures Lee Plugs, AFO plugs and Solenoid Valves.