These compact, flanged in line check valves open wide for flow in the direction of the arrow shown on the body, and close when pressure reversal occurs. Seat disc and springs are made of stainless steel. Suitable for R717 (Ammonia), R744 (CO2), HCFC & HFC. Typically used in hot gas, discharge lines, suction lines and liquid lines.
Port size: 1" - 4" (25mm to 100mm)
(25mm to 100mm).
Low pressure drop.
Mounts in any position.
Stainless steel disc.
Prevent back condensation from warm evaporator to cold evaporator.
Safe working pressure 400 psig (27 bar)
Temperature range: -60°F to +240°F ( -51°C to +116°C)
Closes quickly and reliable when flow reversal occurs.
Valve cone has a teflon tightening ring that renders perfect sealing at a minimum closing force.