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Pneumatic desuperheater control valve


  • Port size:DN25~50, NPS 1〞~ 2〞
  • Pressure:PN25~32Mpa (1500~2500LB)
  • Medium:Water,oil,steam,gas
  • Temperature :-29~420℃
  • Body material:WCB A105
  • Description:
  • Pneumatic desuperheater control valve feature

    Pneumatic desuperheater control valve is a kind of anti-cavitation multi-stage pressure reduction valve. The trim of Pneumatic desuperheater control valve adopts the multi-stage pressure reduction structure. The fluids will consume large amounts of energy after passing the circuitous channel, so that fluid velocity is controlled and cavitation damage is avoided. Considering the existing desuperheater control valves in power plants are installed on a horizontal pipeline, the Pneumatic desuperheater control valve has two kinds of bodies such as "same level body" and "different level body". The same level body indicates the inlet and outlet pipes are on the same horizontal line, and the different level body means the inlet and outlet pipes are not on the same horizontal line.
  • Pneumatic desuperheater control valve parameter

    Trim features: labyrinth cage trim
    multi-stage throttle valve plug structure
    Body type: straight-through type
    angle type
    Bonnet type: standard type  
    heat dissipation type
    Flow characteristic: equal percentage 
    quick open
    control valve Size: DN25-50(1”-2”)
    Pressure class: PN25、32Mpa(ANSI 1500、2500LB)
    Leakage class: ASME B16.104 Ⅴ(standard type metal seat)
    Pipe connection type: flange type butt welding type
    Applicable temperature range: less than 420C°
    Actuator type: pneumatic diaphragm actuator
    pneumatic piston actuator
    electric actuator
  • Pneumatic desuperheater control valve structure