A valve suitable for the charging or bleeding of a high pressure gas system, is now available from Lee Products. The valve’s easy-to-use function and leak-proof characteristics make it an ideal choice for charging or discharging pressure vessels in aerospace, oil tools and formula one racing applications. Robust and corrosion resistant, the unit is constructed from a combination of 15-5 PH and 300 series stainless steel components with nitrile rubber O-rings and Teflon back-up rings for sealing and support.
Actuation is achieved by turning a nut which jacks the valve stem open, or closed, against a metal-to-metal, bubble-tight seat. Charging is done by removing the stem cap and connecting a gas source to the stem end. The design also incorporates an audible safety feature that warns the user of unreleased air pressure when the valve is being removed from its installation boss.
Designed for 5000 psi pressure vessels, the Lee Air Charging Valve is a light-weight version weighing just 34.5 grams compared to 47.6 grams for other types of design. The valve is supplied with mounting threads for use with AS5202-05 standard ports and has pressure ratings of 5000 psig (operating), 10,000 psig (proof) and 12,500 (burst).
Special custom designs are also available on request.