Back flow preventer
Backflash interrupter
Backflow prevention devices
Baffle mechanism and insert unit for downspout
Bleed control apparatus for a fluid conveying system
Butterfly type two-way check valve for an automatic transmission
By-pass valve improvement
By-pass valve in particular for pressure-washing machines
Bypass and unloader valve
Bypass reverse flow valve
Bypass valve
Bypass valve for pumps, heating systems and the like
Bypass-type differential pressure regulator