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Electric HP heater drain control valve


  • Port size:DN65~250, NPS 2.5〞~ 10〞
  • Pressure:PN16 ~ 100,150LB ~ 600LB
  • Medium:Water,steam
  • Temperature :≤420℃
  • Body material:WCB
  • Description:
  • Electric HP heater drain control valve feature

    Electric HP heater drain control valve  is a kind of high differential pressure control valve with the pressure balanced cage structure. The trim cage and plug of Electric HP heater drain control valve adopt a mixed multi-hole and tandem structure to make sure there is no occurrence of cavitation when saturated water passes the control valve. With the cage multi-stage throttling, the throttling area gradually increases, which meets the requirements for saturated water vaporization volume expanding, so that fluid velocity is reduced and erosion of trims by the fluids is lowered. The throttling part is separable from the sealing face to effectively protect the sealing face. The Electric HP heater drain control valve trim surface is subjected to hardening treatment, reaching a hardness of about HRC70.Pneumatic HP heater drain control valve is featured by good erosion resistance and long service life. The control valve is used for HP heater draining in thermal power plants and can also serve as a deaerator level control valve. The Electric HP heater drain control valve can be pneumatically or electrically controlled. 
  • Electric HP heater draincontrol valve parameter

    Trim features: multi-level, multi-hole cage
    balanced trim structure
    Body type: straight-through type
    Bonnet type: standard type 
    heat dissipation type
    Flow characteristic: equal percentage
    Size: DN65-250(2.5”-10”)
    Pressure class: PN1.6、4.0、6.3、10Mpa(ANSI 150、300、600LB)
    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