Check valves

Check valves

Check valves with hinge shafts retained by welding

Check-valve assembly, in particular for a pressurized water reac

Check-valve construction

Check-valve construction

Check-valve construction

Chemical injection valve

Clapper seal for check valves

Clapper seal for dry pipe valve

Cleanout fitting with lockable and removable check valve

Clog-proof check valve

Closing member for a ring valve

Closing plate for a ring valve

Closure device with self-aligning poppet

Closure member

Collapsible ball valve

Combination check valve and pressure rise rate valve

Combination employing controlled flow check valve

Combination stop and pressure reducing valve