Check Valves

Delivery 6~8 weeks after PO


»316 cold-work stainless steel body for excellent corrosion resistant and high tensile. Other special materials available. 
»Reliable sealing guarantees that zero leakage. 
»When differential drops below cracking pressure, valve closes. 
»Low pressure drop. 
»Valves can be repaired easily, and low maintenance costs. 
»3 pressure levels available.15000 psig (low pressure),20000 psig (medium pressure),and 60000 psig (high pressure). 
»Soft sealing and ball sealing valves available. 
»Working temperature ranges from -40°F to 250°F(-40°C to 120°C) for standard soft sealing valves with Buna N seals. -100°F to 450°F(-73°C to 232°C) for standard ball sealing valves. Temperature to -420°F(-250℃ ) available. Temperature to 1200°F(638℃) available. 
»Nominal cracking pressure is 15 psi. other cracking pressure available.


Drawing & Ordering Information

Ordering codes listed are for valves with soft sealing. For valves with ball sealing, add “-B” after the ordering codes.
Other sizes, materials and types are available upon request. For special requirements, please contact us.


MF means female medium pressure connection.
HF means female high pressure connection.
MM means male medium pressure connection.
HM means male high pressure connection.
MT means medium pressure tube end.
HT means male high pressure tube end.
FN means female NPT connection.