Specification :

swing check valve
1)size 2�-64�(DN50-DN1300),
Pressure ANSI 150lb-2500lb(PN2.0-42.0Mpa),
Body ;casting carton steel,stainless steel,low temperature steel,alloy steel.
Trim material: carton steel ,stainless steel.
Standard :API6D,API594,BS1868
Temperature -46.c-600.c
Application widely used in oil transportation pipe system,petroleum,petrochemical,power industrial etc.to aviod medium back flow.

2)design feature: dual plate or single plate,
check valve designed as per API6D standard can be for big ball cleaning service,welded or screwed-in seat,big size check valve with hanger damper device,bolted bonnet or pressure seal bonnet.