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Hydromodul - Model HM-PP -Proportional Piston Actuated Valve Designed for High Differential Pressures
FromTecnidro Srl
The valve maintains downstream pressure to a constant and pre-set rate of upstream value. No pilots needed. The valve chamber is directly exposed to the downstream pressure and this varying pressure value modulates the valve to open or close according to upstream pressure.
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- Long downhill lines in water network or high differential pressure systems.
- 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