Product Name: Carbon Steel Bolted Bonnet Swing Check Valve(Non-Return).
Body: A216 WCB Steel.
Disc: A216 WCB Steel.
Hinge: A216 WCB Steel.
Cover: A216 WCB Steel.
Disc Sealing Surface: Stainless Steel.
Seat Ring: Stainless Steel.
Eye Bolt: Steel.
Application: Off Shore and Petro-Chemical Industry.