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Automatic Circumference Valve

  • Nominal Dimesion:DN40~DN350
  • Nominal Pressure:PN 2.5Mpa~25.0Mpa
  • Suitable Temperature:≤200°C
  • Connection Type:Flange and Butt weld
  • Manufacturing Standard:ASME/ANSI, API, GB, JB, HG, JIS, DIN
  • Body Material:Nodular cast iron, Carbon steel, Stainless steel.

Apply Condition

Widely used at the centrifugal pump protection system of power station, chemical plant, petrochemical unit, etc. It can be installed at the outlet of pump to assure small flow recycling when pump is under capacity, and protect pump steady operation. This valve is also named as pump protection valve or least flow valve.

Product Features

  •  Induct flow automatically
  •  Flow checking function
  •  Recirculating control
  •  Multi-stage pressure reducing

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