Quality casts the brand, innovation leads the development
Main valve:
Body/bonnet: ASTM A216 WCB
Wedge: ASTM A216 WCB+13CR
Seat: ASTM A105+13CR
Stem: ASTM A182 F6A
Valve Design: API600
Flange: ASME B16.5
Bypass:
Body/bonnet: ASTM A105
Wedge: ASTM A182 F6A
Seat: ASTM A182 F6A
Stem: ASTM A182 F6A
Valve Design: API602
SW: ASME B16.11