Ductile iron wafer type dual plate check valve 

Dual-plate check valves for a broad range of applications.

Fire safe design

Self-seating design that reduces dragging along the seat surfaces

Lapped seating surfaces that exceed API 598 seat leakage requirements for metal-seated valves

An uninterrupted gasket surface

Shock bumpers minimize shock-force on internal components

Immediately responsive spring design to changes in flow characteristics