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swing check valve
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Product Sort:Check valve>>Swing check valve
Pressure:150LB-2500LB PN6-PN420 2K-100K
Size:2"-48" DN50-DN1200
Design Std:API602 API6D BS5352 GB/T12235
Product Material:WCB¡¢A352-LCB.A217-WC6.A216-WC9.CF8.CF8M.CF3.CF3M.CN7M
page keywords:swing check valve CHECK VALVE 304 swing check valve 304 check valve 316 check valve
check valve swing check valve
Check valve can be called as upstream valve ,non-return valve,backpressure valve and one-way valve.Kind of this valve is opening and closing by the power of the medium going through the pipe.It is belong to an automatic valve.Check valve is using for piping system.Its main function is to prevent the backflow medium,prevent the reverse of pump and drive ,prevent the mediumin in the container to discharge.It can also be used the pressure of the system pressure may rise over the auxiliary system supply piping.
swing check valve can be different according to the material,and suitable for various kinds of medium.
swing check valves are installed in the pipeline, which become one fluid part of the complete pipeline.The disc of the valve will be effected by the flowing state.Conversely, the closing character of swing check valve will also effect on the fluid flowing state.Th working feature of the check valve is large loading,and small frequency of opening and closing.The period of the using will be longer and no need to request the moving parts to move, But once again "switch" requirement,it must to be moving flexibly. This requirements is more critical than common mechanical moving.
Swing check valve for DIN and API
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CLASS 150~1500 SWING CHECK VALVE Bolted cover,swing type disc Threaded or welded seat ring ASTM A216 WCB,A217 WC6,A351CF8,A351CF A351 CF3,A351 CF Standards compliance Design and Manufacture: ANSIB16.34,API6D,BS11868 Face to face(end to end): ANSIB16.10,API6D Flanged connection: 2~~24~to ANSIB16.5 ~~~~~~~~~~22~,26~~36~to MSS-SP-44 ~~~~~~~~~~to API605 on request Butt welded end: ANSIB16.25 Test and inspection: API598,API6D
Higher sizes are with dashpot arrangement to control the movement of the disc order to avoid slammingandwater hammer. CLASS 150~1500 SWING CHECK VALVE
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