Threaded pressure relief valve 200 series

for gaspiston

Our 200 series vent to atmosphere pressure relief valve is a highly accurate design that offers excellent repeatability and dependability. Cracking pressure is factory set and valves are 100% tested to ensure accuracy. Valve Check also manufactures many custom check valves, relief valves, manifolds, cartridge valves and more. We welcome all custom applications and order sizes. 200-1M 1/8" MNPT x Vent Max Pressure 200 psi Orifice Size .188 Flow Coefficient: Cv: Consult Factory Cracking Pressure Currently Available .5-150 200-2M 1/4" MNPT x Vent Max Pressure 200 psi Orifice Size .275 Flow Coefficient: Cv: Consult Factory Cracking Pressure Currently Available .5-150 200-3M 3/8" MNPT x Vent Max Pressure 200 psi Orifice Size .325 Flow Coefficient: Cv: Consult Factory Cracking Pressure Currently Available .5-150 200-4M 1/2" MNPT x Vent Max Pressure 200 psi Orifice Size .415 Flow Coefficient: Cv: Consult Factory Cracking Pressure Currently Available .5-150 200-6M 3/4" MNPT x Vent Max Pressure 200 psi Orifice Size .510 Flow Coefficient: Cv: Consult Factory Cracking Pressure Currently Available .5-150 200-8M 1" MNPT x Vent Max Pressure 200 psi Orifice Size .620 Flow Coefficient: Cv: Consult Factory Cracking Pressure Currently Available .5-150 200-4ST 7/16"-20 ORB x Vent Max Pressure 200 psi Orifice Size .188 Flow Coefficient: Cv: Consult Factory Cracking Pressure Currently Available .5-150 200-12ST 1-1/16"-12 ORB x Vent Max Pressure 200 psi Orifice Size .510 Flow Coefficient: Cv: Consult Factory Cracking Pressure Currently Available .5-150