Diverter valve
Diverter valve and vacuum breaker usable therewith
Diverter valve with vacuum breaker
Diverting device for bridge faucet with hand spray
Diverting relief valve backflow
Divertor valve
Domestic water supply shutoff valve
Double directional check valve and flow restrictor combination
Double-jet acting trap primer
Double-valved variable pressure device for hydrocephaly
Droop compensated bypass valve
Dual control input flow control valve
Dual inlet backflow prevention valve
Dual pneumatic quick-disconnect coupler adapter
Duct system containing a movable plug body
Electric valve
Electrically operated proportional flow control hydraulic valve
Electro-fluid interface device
Electrohydraulic regulating valves
Empty drum detecting apparatus