Media Contact:
Madison Taricani
Marketing Communications Coordinator
Tel: 860-399-6281
Email: taricanim@theleeco.com
Release Date:
October 6, 2026
WESTBROOK, CT – The Lee Company is pleased to announce the release of the 9th edition “Technical Fluid Control Handbook for Automotive & Industrial.” This handbook contains detailed technical information about a wide variety of Lee products, including check valves, pressure relief valves, flow restrictors, flow metering valves, vent valves, shuttle valves, safety screen filters, expansion plugs, and other fluid control components used in automotive and industrial applications.
Spanning more than 250 pages, the handbook serves as a comprehensive reference for engineers seeking to reduce space and weight while maximizing system performance. Included throughout are performance specifications, dimensional drawings, part numbers, installation information, and educational resources designed to support component selection, system analysis, and product implementation.
Nearly 60 new products have been added to the latest edition of the handbook, along with updates to existing product information and new resources to help engineers and designers find the right components for their applications. As always, the handbook includes an “Engineering Tools” section to help customers perform flow calculations, evaluate component performance, and better understand how fluid control components influence overall system performance.
This handbook delivers detailed technical information that supports engineers as they test and integrate Lee components into advanced automotive and industrial designs, helping them drive the development of next-generation systems. Please visit our website at theleeco.com/NewHandbook to download the digital version or request a mailed copy.

The Lee Company is a world leader in miniature precision fluid control products for industries like aerospace and defense, automotive, diagnostics, industrial and off-highway, medical equipment, scientific instruments, motorsports, oil and gas, power generation, and many others. Founded in 1948, the company is recognized for providing engineered solutions for some of the world’s largest and most innovative companies. With over 1,100 employees, The Lee Company occupies over 1.2 million square feet of manufacturing space in Westbrook and Essex, Connecticut. Thanks to the organization’s unbeatable manufacturing ability, Lee products are recognized worldwide for their outstanding quality, unmatched reliability, and superior performance.
Always verify flow calculations by experiment.
*There are many parameters to consider when determining V-Factor. Click here for more information.