API 594 dual disc wafer check valves
Dual disc wafer check valve has retainer and retainer-less design type. Dual disc wafer check valves have the benefit of zero leakage toward exterior, cost savings. It can be fixed in any line orientation, best seal performance. Valves are designed in accordance to API 594 or API 6D and have a double plate or single plate design and pin can be retainer-less type.