Recessed cutting edge for wire cutting gate valves
Reciprocating ball valve
Reduced torque gate valve with roller screw
Regulating flow
Regulator valve
Resilient seat gate valve
Resilient seated gate valve
Resilient seated gate valve with improved seat arrangement
Resilient seated gate valve with split body
Retainer
Retainer for a replaceable valve seat
Retainer for seat ring on gate valve
Rod operated valve
Roll diaphragm control valve