API Check Valve

API CHECK VALVE Standards: 1) Design and manufacture: API600 2) Face to face: ANSI B16.10 3) Flange dimensions: ANSI B16.5a API CHECK VALVE Features: 1) Design and manufacture according ANSI B16.34, API 6D 2) Disc is swing, flow way is through, all of level pipe and plumb pipe may fit 3) Rocker and axis pin uses internal setting structure, reduces outer leakage 4) Bolted bonnet, on the status of high pressure, pressure exceed Class 600lbs, middle flange used internal pressure self-sealing structure made product bulk small, weigh light, sealing credible Certification:ISO9001:2000,ISO14001,API600,API601,API6D, CE0036,AZ.