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Shanghai Oilong Valve Co., Ltd
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Oilong - Forged Piston Lift Check Valve

Oilong - Forged Piston Lift Check Valve

FromShanghai Oilong Valve Co., Ltd

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Forged Piston Check Valve, API 602 Check Valve, High-Pressure Lift Check Valve, Zero Leakage Valve, Oil & Gas Pipeline Valve. Forged Steel Body: ASTM A105/A182 F316L for high-pressure oil, gas, and steam systems (ASME Class 1500-4500). Piston Lift Mechanism: Spring-assisted vertical disc movement ensures instant reverse flow shutdown with minimal pressure drop.

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lift check valve

chilled water system

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discharge protection

Compact Design: Short face-to-face length (ASME B16.10) saves space in refineries, petrochemical plants, or offshore platforms.
Low Maintenance: Self-aligning guide bushings and anti-wear stem coating extend service life.
Multi-Connection Options: RF/RTJ flanges (ASME B16.5), socket weld, or threaded ends.
Design to BS5352, API 602, API 6D, ASME B16.34
Flange Dimension to ASME B16.5
Face to face to ASME B16.10, API 6D
Pressure & Temperature Rating to ASME B16.34
Test & inspection to API 598
Materials: CF8M (SS316), CF8 (SS304), A105N, LF2 etc.
Pressure: CLASS 150 ~2500
Suitable Temp.: -196ºC~550ºC
Suitable Medium: Water, Natural Gas, Oil

Zero Backflow Risk: Critical for oil & gas pipelines, chemical processing, and boiler feed systems.
Low Maintenance: No manual intervention required for standard operation.
Material Versatility: Bodies in cast iron, stainless steel (SS316), or alloys (Inconel®) for corrosive or high-temperature media.

Pump discharge protection, Steam condensate recovery, HVAC chilled water systems, Refinery hydrocarbon transfer