Lee Co. (The) Datasheets for Pressure Relief Valves

Pressure relief valves are self-actuated safety valves designed to relieve excess pressure upstream from the line.
Pressure Relief Valves: Learn more

Product Name Notes
This cartridge safety pressure relief valve is constructed with medical grade 316L stainless steel and a ceramic ball for improved compatibility with aggressive fluids like hydrogen. It is designed specifically...
This cartridge safety pressure relief valve is designed specifically for installation into soft tubing, plastic housings, and fittings. It can be installed in either direction to provide forward or reverse...
This cartridge safety pressure relief valve is designed specifically for installation into soft tubing, plastic housings, and fittings. It can be installed in either direction, providing forward or reverse flow...
This cartridge safety pressure relief valve offers a superior flow capacity for its size. It is designed specifically for installation into plastic housings or fittings and can be installed in...
This cartridge safety pressure relief valve offers superior flow capacity for its size. It is designed specifically for installation into plastic housings or fittings and can be installed in either...
This cartridge safety pressure relief valve offers superior flow capacity for its size. This direct-acting relief valve is specifically designed for installation into plastic housings and fittings. It can be...
This cartridge-style safety pressure relief valve is made with an elastomeric valve seat for improved checked direction leakage performance. The soft seat on this 6 mm diameter relief valve makes...
This direct-acting cartridge safety pressure relief valve is installed into the branch of a Luer Tee fitting, making it ideal for syringe-driven systems where a maximum force is required. The...
This direct-acting valve has been optimized to relieve small flows caused by thermal expansion of a trapped volume of fluid. Minimum cracking pressures are available from 3500-4500 psid. This valve...
This direct-acting valve has been optimized to relieve small flows caused by thermal expansion of a trapped volume of high pressure fluid. Minimum cracking pressures are available from 3500-5800 psid.
This direct-acting valve is designed for applications where stability is a must. Dual dampening chambers provide an extremely stable relief flow over various flow rates and pressure combinations. Minimum cracking...
This direct-acting valve is ideally suited for high pressure hydraulic applications (up to 5000 psi) where a fast opening safety relief valve is needed to prevent system damage from pressure...
This direct-acting valve is ideally suited for hydraulic applications where a fast-opening safety relief valve is needed to prevent system damage from pressure spikes. Minimum cracking pressures are available from...
This direct-acting valve is ideally suited for hydraulic applications where a fast-opening safety relief valve is needed to prevent system damage from pressure spikes. This pressure relief valve is packaged...
This direct-acting valve is ideally suited for hydraulic applications where a relief valve is needed to regulate the upstream pressure. Minimum cracking pressures are available from 50-500 psid. Features Diameter:...
This direct-acting valve is ideally suited for hydraulic applications where a relief valve needs to maintain high flow and cracking pressures in order to prevent system damage from pressure spikes.
This direct-acting valve is ideally suited for hydraulic applications where a relief valve with higher flow is needed to regulate the upstream pressure. Minimum cracking pressures are available from 50-500...
This direct-acting valve is ideally suited for hydraulic applications where a safety relief valve with extremely low leakage is needed to seal the system when closed. The fast opening response...
This direct-acting valve is ideally suited for low flow (less than 0.31 GPM) hydraulic applications where a miniature, lightweight pressure relief valve is needed. Minimum cracking pressures are available from...
This direct-acting valve is ideally suited for low pressure hydraulic applications where a fast-opening safety valve is needed to prevent system damage from pressure spikes. Minimum cracking pressures are available...
This direct-acting valve is ideally suited for low pressure hydraulic applications where a safety relief valve with extremely low leakage is needed to seal the system when closed. The valve’s...
This direct-acting, cartridge safety pressure relief valve is specifically designed for installation into many common medical fittings and plastic housings. It can be installed in either forward or reverse flow...
This high speed, direct-acting valve is constructed entirely of corrosion-resistant materials that are compliant with NACE specification MR0175/ISO 15156. Minimum cracking pressures are available from 80-3600 psid. An integral safety...
This high speed, high pressure, and direct-acting valve is constructed entirely of corrosion-resistant materials that are compliant with NACE specification MR0175/ISO 15156. Minimum cracking pressures are available from 3000-5900 psid.
This product is a Luer Tee fitting with a 2.5 mm pressure relief valve in the branch to provide protection from overpressurization, and a 2.5 mm check valve in the...
This threadless, cartridge safety poppet pressure relief valve is designed to provide fast opening rates, stable flows, low hysteresis, quiet operation, and high cracking pressures. The 5.5 mm relief valve’s...
This threadless, cartridge safety poppet pressure relief valve is designed to provide fast opening rates, stable flows, low hysteresis, quiet operation, and high cracking pressures. The 8 mm relief valve’s...
This threadless, cartridge safety pressure relief valve is constructed with medical grade 316L stainless steel and a ceramic ball for improved compatibility with aggressive fluids like hydrogen. The 5.5 mm...
This threadless, cartridge safety pressure relief valve is constructed with medical grade 316L stainless steel and a ceramic ball for improved compatibility with aggressive fluids like hydrogen. The 8 mm...
This threadless, cartridge safety pressure relief valve is designed for installation into metal manifolds. The 5.5 mm relief valve’s locking end uses the field-proven Lee Controlled Expansion Principle to provide...
This threadless, cartridge safety pressure relief valve is designed for installation into metal manifolds. The 8 mm relief valve’s locking end uses the field-proven Lee Controlled Expansion Principle to provide...
This threadless, cartridge safety pressure relief valve offers a superior flow capacity for its size. The 8 mm relief valve’s locking end uses the field-proven Lee Controlled Expansion Principle to...
This threadless, cartridge safety pressure relief valve offers superior flow capacity for its size. The 5.5 mm relief valve’s locking end uses the field-proven Lee Controlled Expansion Principle to provide...
This threadless, cartridge-style safety pressure relief valve is made with an elastomeric valve seat for improved checked direction leakage performance. The soft seat on this 6 mm diameter relief valve...
This threadless, cartridge-style safety pressure relief valve is made with an elastomeric valve seat for improved checked direction leakage performance. The soft seat on this 8 mm diameter relief valve...