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BS1868 Swing Check Valve, Cast steel swing check valve, swing type no-return valve, flanged swing check valve is used to prevent back flow in the line. Flow is in a straight line through the valve resulting in minimal pressure drop. The disc swings into the open position as the media flows through the line. Back pressure in the line holds the disc in the closed position. Swing check valves may be installed in horizontal or vertical lines, but must be installed in proper relation to the media flow as indicated by the flow direction arrow marked on the body.
Connection: Raised Flange
1.Bolted Cover, Swing type disc
2.Threaded or Welded Seat Ring
3.Back-seating, Renewable seat ring
Product Name:BS1868 Swing Check Valve
Size:2inch to 48inch(DN50 to DN1200)
Pressure rating150LB to 1500LB (PN10 to PN160)
Material:A216 WCB、WCC; A217 WC6、WC9、C5、C12、C12A、CA15; A351 CF8、CF8M、CF3、CF3M,etc.
Face to Face:ASME B16.10
Test standard:API598Check Valve