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Inline NPT Check Valves, Heavy-Duty
  • Heavy-Duty Check Valves are designed for high performance in demanding applications
  • All styles feature low/open/close pressures: 3 oz. to open the valve and 10 oz. of reverse pressure for positive valve closing
  • Check Valve seat material is durable Ethylene Propylene (EPDM)
  • For use in high pressure pigtail assemblies
1/4" NPT Male Inlet to Female Outlet.
Unit of Measure

Specifications

Field

 N/A Industrial

Maximum Working Pressure

 N/A 6000 psig

Material

 N/A Stainless Steel

Valve Seat Material

 N/A Ethylene Propylene (EPDM)

Check Valve Flow Specifications Charts

Check Valve Flow Specifications Charts

 N/A Flow curves presented here are based on air at 70 ºF. To convert flows of other gases, multiply by the appropriate conversion factor listed on instruction sheets included with all check valves.

Additional Information

Additional Information

 N/A Western's reverse flow Check Valves meet or exceed CGA and OSHA requirements (Pamphlet CGA-E2) and feature:
  • Flows for cutting up to 12" of steel
  • Machined high quality brass with stainless steel operating spring and valve disc
  • Low open/close pressures: 1 - 1-1/2 PSIG open valve and 10 oz. reverse pressure to positively close valve
  • 100% tested
  • Made in U.S.A.

Prop 65

Warning

 N/A This product can expose you to chromium (hexavalent compounds), which is known to the State of California to cause cancer and birth defects or other reproductive harm.

Note

Note

 N/A Check valves do not stop flashbacks.