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2″ 10k flapper type connection 2in fig API 1502 check valve for oil equipment


Our api check valves are mainly used for high-pressure applications and workover equipment. They are usually installed in high-pressure pipelines for preventing fluid from flowing back. When fluid is pushed back, a retainer plate will automatically close.

API 1502 check valves, forged of high-strength alloy steel based on US technologies, are fitted with unions on both ends for easy dismantlement. The retainer plate inside sulfidized with Buna-N has a good sealing effect and a longer service life under high pressure, for conventional or H2S environments.

The model of check valve available: D×F70-2″×2″,D×F105-2″×2″,D×F70-3″×3″,D×F105-3″×3″, rated: 6000psi(42MPa)~20000psi(140MPa).

API 1502 check valves

Working pressure(psi) 2000-15000psi
Material class AA,BB,CC,DD,EE,FF
Master bore 2 1/16”

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