Need help fast? Call 1-800-LEE-PLUG



Technical Hydraulic Handbook
Precision Microhydraulics.
Precision flow restrictors, expansion plugs, valves, and safety screens for aerospace, oil exploration/ production, race cars, and other critical applications.

Click to download PDF file (29.7MB)
EFS Handbook
Electro-Fluidic Systems.
Miniature solenoid valves, pumps, and inert fluid handling components for medical/scientific instrumentation, micro-dispensing, and other high technology systems.

Click to download PDF file (11.35MB)


Innovation in Miniature   Oil Tools
Pumps and Valves for In Vitro Diagnostics, Scientific Instrumentation and Drug Discovery Applications.   NACE Compliant Plugs, Valves, Screens and Restrictors for the Oil Tool Industry.
Lee Plug Installation and Extraction    
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.