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SHANGHAI HUIXUAN VALVE

Mobile:+86-17717520739
Wechat:17717520739
Email:info@shxvalve.com

Address: NO.720, Suide Road, Jiading District,Shanghai, China.
 

Pneumatic Actuated Globe Regulating Valve

Model:

  • Port size:DN15-DN300p
  • Pressure:PN10-PN64 CL150-CL600
  • Medium:Water,steam,oil,etc.
  • Temperature :-29~450℃
  • Body material:WCB,WCC,CF8,CF8M,etc.
  • Description:
  • Pneumatic Actuated Globe Regulating Valve Feature

    Pneumatic Actuated Globe Regulating Valve is used for pressure,temperature,flow,level control in the industry system. The Pneumatic Actuated Globe Regulating Valve can be used to start, stop, or throttle the flow to ensure safe and efficient operation of the process. Pneumatic Actuated Globe Regulating Valve play a important role in most  industries.  With high quality and excellent service, Pneumatic Actuated Globe Regulating Valve is widely used Oil & gas industry, refinery & petrochemical industry, off shore, power generation, mining industry, pulp and paper, water treatment etc.
  • Pneumatic Actuated Globe Regulating Valve Specification

    Pneumatic control valve
    Body type:
    straight through casting globe type
    Spool type: non-balanced single seat plug type
    Nominal size: DN20~200,、 NPS 3/4〞~ 8〞
    Nominal pressure: PN16 ~ 100、 CLASS 150LB ~ 600LB
    Connection: flange: FF、RF、MF、RTJ
    Welding: SW、BW
    Flange dimension: According to to IEC 60534
    Pneumatic control valve Bonnet type: Ⅰ:standard type(-20℃~230℃)
    Ⅱ:Radiator type: (-45℃~ high than 230℃ occasion)
    Ⅲ:Low temperature extended type(-196℃~ -45℃)
    Ⅳ:Bellow seal type
    Ⅴ:Warm insulation Jacket type
    Packing: V type PFTE packing, flex. graphite packing, etc.
    Gasket: Metal graphite packing
    Pneumatic control valve Actuator: Pneumatic: multi-spring diaphragm actuator, piston type actuator.
  • Pneumatic Actuated Globe Regulating Valve Structure

  • Pneumatic Actuated Globe Regulating Valve Material 

    Component name Control Valve Material
    Body/Bonnet WCB/WCC/WC6/CF8/CF8M/CF3M
    Valve spool/Seat 304/316/316L(overlaying stellite alloy)
    Packing Normal:-196~150℃ is PTFE,RTFE,>230℃ is flexible graphite
    Gasket Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
    Diaphragm Cover Normal:Q235,Special:304
    Diaphragm NBR with reinforced polyester fabric
    Spring Normal:60Si2Mn,Special:50CrVa
    Control valve stem 2Cr13/17-4PH/304/316/316L
  • Pneumatic Actuated Globe Regulating Valve Performance

    Pneumatic linear control valve
    Flow characteristic
    Linear, percentage, quick open
    Allowable range 50: 1 (CV<6.3 30: 1)
    Rated Cv value Percentage CV1.6~630 ,linear CV1.8~690
    Pneumatic control valve Allowable leakage Metal seal:  IV grade(0.01% rated capacity)
    Soft seal:  VI grade(foam grade)
    Leakage standard:  GB/T 4213
    Pneumatic control valve Performance
    Intrinsic error % ±1.5
    Return difference, % ≤1.5
    Dead zone, % ≤0.6
    Difference from beginning to end point, % ±2.5
    Rated travel difference, % ≤2.5

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