Model 6815 piston type pressure relief valves are available in 1/2" or 3/4" sizes with operating pressures to 700 psi (48.2 bar). An extra large valve passage provides full flow through the valve passage with minimum pressure loss. A free floating seat design improves overall speed and sensitivity of the valve action.
Quick Opening - Self Closing Valve
A normally closed, quick opening valve, often referred to as a "California Valve". This valve has been in service for many years on agricultural and industrial applications, for both compressed air and liquid. The valve body is heavy cast brass with internal components of machined brass. The standard valve disc and O-ring are Buna-N. Teflon and Viton seals are available on most sizes. Springs are stainless steel.
- Maximum working pressure, 400 PSIG, @ 60°F.
- Maximum working temperature, 200°F.
- Not recommended for steam service.
Pipe Sizes Available: 1/4"-3/8"-1/2"-3/4"-1"-1 1/4"