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Hydromodul - Model HM-SR -Quick Relief Water Valve to Avoid Water Hammer
FromTecnidro Srl
This valve protects pumps and pipes from pump startup and shutoff pressure surges due to power failure. Pump off means valve normally closed. If pump starting cause pressure surge, the pilot smoothly opens the valve to limit pressure rising. Quick relief valve opens due to both pressure rises and falls, fully reducing any pressure fluctuation.
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- To eliminate pumping electric power failures surge causing abrupt variations on flow speed and pressure.
- water supply and distribution
- fire protection systems
- water treatment
- fuel stock plants
- water supply stations (airports, marine and fluvial ports)
- sport centers (swimming pools, aquariums, amusement parks)
- pump stations
- simple structuration, compactedness and easy disassembly
- head loss and cavitation risks reduction
- special hydraulic profile
- excellent corrosion strenght
- conformity with both European and American standards
- easy installation
- multiple function, V-PORT plug option
- perfect seal
- high hydrodynamic section globe body, without stagnation pockets
- standard ductile cast iron casting
- epoxy-polyester resin powder painting
- entirely guided travel seal disc
- standard stainless steel seal seat with cavitation risks reduction
- open pass no less than 80% of nominal diameter
- optional V-PORT seal disc
- stainless steel exagonal heads bolts
- wax sealing on request
- stainless steel shaft, seal disc, spacer and return spring
- reinforced NBR diaphragm
- on request Viton diaphragm
- easy maintenance and access to internal parts without removing the valve from the pipeline
- purchased valve function can easly be changed with simple pilot circuit modifications