Flushing, toilet tank-fed, primer valve for sewer line drain...
Flushometer piston
Flushometer relief valve
Foot valve assembly for lake and river water
Foot-controlled water faucet
Foot-operated faucet
Foot-valve driving-typed water saving apparatus
Forged valve stem packing set
Four way valve
Four-port thermally responsive valve
Four-port valve
Four-way ball valve
Four-way control valve
Four-way fluid flow diverter valve
Four-way poppet valve
Four-way poppet valve device
Four-way slide valve
Frangible valve stem assembly for rotary valve
Frangible, resealable closure for a flexible tube
Free disc valve