DKV dual plate check valves are supplied retainerless as standard. Our patented design does not have any threaded plugs in the pressure boundary and totally eliminates the potential leak path to atmosphere. This design meet fugitive emission control.

The seat is designed equal pressure at the plate with the state of stationary. The two semicircle plate responsiveness of opening and close is quick and it is strong against corrosion also has a strong durability.

The spring have been designed to endure stresses and also ensure operating without failure for much cycles.

Full rubber lined valves to avoid corrosion inside are available.