zone nomenclature contact us u.s. distributors international distributors newsletter valve wizard products valves by function -way normally open -way normally open peterpaul dual orifice valves in which the body orifice is closed and sleeve orifice open in the de-energized position. no flow can exist...
zone nomenclature contact us u.s. distributors international distributors newsletter valve wizard products valves by function -way normally open -way normally open peterpaul dual orifice valves in which the body orifice is closed and sleeve orifice open in the de-energized position. no flow can exist...
valves & strainers alarm valves (system control valves) pressurereducing & relief valves residential sprinkler systems grooved couplings and fittings electrical switches: water flow & pressure wet & dry risers and hose reels pump room equipment zone assemblies & test and drain valves fire hydrants lumi-plugin...
relief valve a storage tank pressure vacuum relief valve is a safety device designed to protect storage tanks or pressure vessels by releasing pressure directly to the atmosphere. the pressure vacuum vent protects the storage tanks against excessive pressure or vacuum generated in the tank. the vent...
. it responds to rises in system pressure immediately, accurately and with high repeatability, by opening fully. the bermad model ir- q provides smooth drip tight closing. operation: [ ] bermad model ir- q protects system from pressure spikes [ ] pressurereducing valve [ ] combination air valve [ ]...