Kindly see below data of check valve :
Valve NPS 16’’ pressure rate Class 300, connecting type flanged ends raised face, the flange dimension as per ASME B16.5, main material is carbon steel: body ASTM A216 WCB, the disc ASTM A216 WCB+13Cr deposit overlay, hinge ASTM A216 WCB, pin ASTM A182 F6a, seat 13Cr deposit overlay. The check valve shall automatic work without any operation such as manual or pneumatic or electric actuator.
The check valve flange dimension is produced as per ASME B16.5, the face to face dimension as per ASME B16.10, each valve is tested and inspected by water for shell and high pressure seat sealing, as per API598.
The painting of this carbon steel check valve is applied as per API600, which is two system painting : finishing painting and prime painting, the finishing painting colour is Aluminium/ gray color.
The floating ball valve was tested, no visual leakage found during hydro testing and air testing, meet requirement of GOST 9544-A class. dimemsions checking and function checking result is ok .
The detail value of hydro-static is as below :
Shell testing: by hydro-static ( water ) with 7.5Mpa
High pressure closure testing : by hydro-static ( water ) with 5.5Mpa
ZFV ( Zhejiang zhengfeng valve co., ltd ) is professional valve supplier , include gate valve, check valve, globe valve, butterfly valve, ball valve with different materials to satisfy different customers over the world. We look forward to cooperation in future .
Zhejiang Zhengfeng Valve Co., Ltd