Wcb API Forged Check Valve

We offer forged check valve. 1.ce,iso9001,api6d,cqc,pdo 2.forged check valve size 1/4"~2" 3.class 800~1500lb a105,f5,f9,f11,f316,lf2 forged check valve application standards: 1. Design and manufacture conform to: api 602; 2. Connection ends conform to: 1) socket welded dimension conform to ansi b 16.1 2) screw thread dimension conform to ansi b 1.20.1 3. Test and inspection conform to: api 598 4. Structure features: b.b, piston type 5. Materials conform to: ansi/astm 6. Main materials: a105; f5; f9; f11; f22; f91; f304; f304l; f316; f316l; f321; lf2 etc.