When a reverse flow occurs, the changes in motion as well as gravity help to close the disc, closing the valve and preventing backflows.ĬGV BS1868 Swing Check Valve Standard Welding seat rings or Renewable seat ringsĭesign and Manufacture: BS1868 or ASME B16.34 Inspection and Test: API 598 End flange dimension: ASME B16.5, ASME B16.47(API 605 ,MSS SP44) BW end dimension: ASME B16.25 Face to face,end to end: ASME B16.10 Pressure-temperature ratings: ASME B16.34 NACE: NACE 0175 Size Range: 2” – 36” Pressure Range: ASME Class 150- 2500LB materials:ASTM A216 WCB WCC ASTM A217 WC1 WC6 WC9 ASTM A351 CF8,A351 CF8M,A351 CF3,A351 CF3M,A351 CN7M. when the fluid passes through a the swing check valve, then the valve is open. CX FLUID PRODUCTS MFG CO.,LIMITED is a professional leader China A216WCB swing check valve, API6D swing check valve, BS 1868 Swing Check Valve, class 300 swing check valve, cast steel swing check valve manufacturers and suppliers with high quality and low price. It has the simplest design and operates via a metallic disc attached to a hinge at the top.

The Non-return valves allow the flow of the fluid in one direction only and block reverse flows. Check valves successfully tested to Shell 77/300 and witnessed by Shell Inspectors. Fugitive Emissions - Complies with ISO 15848-1 (<50 ppm) Compliance to Annex III Module H of Pressure Equipment Directive 2014/68/EU.

Hardfaced with 13Cr, CoCr alloy, SS 316, or Monel, ground and lapped. BS1868 swing check valve prevents potentially damaging backflows to protect equipment like as pumps and compressors. Beyond Standards: Check Valve design complies to BS 1868 and API 594. Disc: Robust one-piece construction to withstand the severe shock of check valve service.

Bs 1868 check valve