API 594 Wafer Type Dual Disc Check Valve , Class150-2500 Inch 1/2"~48", Carbon Steel, Stainless Steel
Zaval Wafer type dual disc check valve has the advantage of zero leakage toward outside, cost saving.It can be installed in any line orientation,superior seal performance. Valves are designed in accordance to API 594 .
Design Features
Technical specification
Design & manufacturing standard as per API 6D/API 594
Face to face standard as per API 6D/ASME B16.10
Fanged ends standard as per ASME B16.5/ASME B 16.47
Testing & inspection standard as per API598/API 6D
Face to face: ASME B16.10.