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Model HM-SV - Excessive Flow Valve

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The valve avoids reservoir emptying and flooding dues to casual pipeline failure. The valve is controlled by a differential hydraulic pilot that senses flow speed closing completely main flow when senses critical speed values.

  • Distribution networks with wide diameter pipelines or higl level variations.

  • 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

  • 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

  • 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

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