| check valve This line of valves is one of our main products,designed as per API6D,API594,BS1868 standard,applied temperature:-46.c-600.c,widely used in oil transportation pipe system,petroleum,petrochemical,power industrial etc.to aviod medium back flow. 1) 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. 2) Product range: size: 2”-64”(DN50-DN1300),rating: ANSI 150lb-2500lb(PN2.0-42.0Mpa),body material;casting carton steel,stainless steel,low temperature steel,alloy steel. Trim material: carton steel ,stainless steel. |