Double-acting valve
Double-cone sphincter introducer assembly and integrated...
Double-jet acting trap primer
Double-seat valve
Drain through ball valve
Drain trap
Drain valve
Drain valve
Drain valve activator assembly
Drain valve assembly
Drain valve device
Drain valve for removing settling materials
Drainage device for exterior panel system
Drainage valve
Drainage valve having a flexible flap with an edge taper
Dribble flow valve
Drill pipe float valves
Drilling choke
Drinking fountain cartridge valve
Drip irrigation tap and system