Welcome to Lee Products
Innovation in Miniature
Since 1948, The Lee Company has pioneered the development of miniature, precision fluid control components for use throughout industry.
Markets served include 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
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
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.
Read More70th Year Corporate Video
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.
The Lee Company - Lee Plugs
Lee Plug® expansion plugs seal fluid passages leak-tight, without the use of O-rings, threads, or sealants. It is simply the most successful method of sealing drilled holes in critical applications. Well over 100 million Lee Plugs have been used on aircraft, missiles, spacecraft, and other sophisticated hydraulic systems that require a permanent leak-tight seal.
Latest News
02/07/18 - New Product
A new range of miniature positive displacement pumps, which feature an innovative radial piston design that allows for self-priming at altitude and reduce cavitation, have been introduced by The Lee Company.02/07/18 - New Product
The delivery of precise, highly accurate and in some cases screened lubricants is usually provided by Lube Nozzles and The Lee Company is able to offer special nozzle designs to meet most requirements.02/07/18 - Exhibition
Lee Products will be exhibiting at Southern Manufacturing 2019.09/04/18 - Application Story
Lee Lo-Lohm Solenoid Valves used to significantly improve braking efficiency for AirBack Ltd.05/03/18 - New Product
A new Latching Solenoid Valve has been introduced which is ideal for power sensitive fluidic control in oil tool, aerospace and high performance automotive applications or wherever control systems would benefit from reduced power consumption and lower heat generation.30/10/17 - Exhibition
Lee Products will be exhibiting at Medical Technology Ireland 2018.30/10/17 - Exhibition
Lee Products will be exhibiting at Offshore Europe 2019.30/10/17 - New Product
Lee Cross Port Plugs are a plugging solution specifically engineered to seal cross port passageways.30/10/17 - New Product
Constructed entirely from MP35N and compliant with NACE MR1075/ISO15156, this multi-orifice restrictor is suited to handle the harsh duty applications typically found in the oil and gas industries.30/10/17 - New Catalogue
The 9th Edition of the Electro-Fluidic Systems Handbook is now available.30/10/17 - Product Development
The Lee Company continues to expand its High Density Interface (HDI) solenoid valve platform by combining the high flow capabilities of the Lo-Lohm design with the power savings of the Latching design, all within a compact footprint.30/10/17 - New Product
The Lee Company’s new 687 Side Exit PRV is the latest addition to Lee’s line of field proven Pressure Relief Valves.30/10/17 - New Product
The Lee Company’s new High Pressure 500 Pilot Operated Chek® is the latest addition to Lee’s line of miniature check valves.30/10/17 - New Product
The Lee Company now offers a complete line of flange mount, HI-BAR® Safety Screens made entirely of 6AI-4V Titanium.30/10/17 - New Product
The Lee Company’s 187 Zero Leak PRI (Pressure Relief Insert) is the latest addition to Lee’s line of miniature zero leak pressure relief valves.11/05/17 - New Product
Lee Hi-Bar In-Line Wash Flow Safety Screens Take Filtration to a Higher Level.