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  4. Pneumatic piston-type quick cut-off valv
  • Pneumatic piston-type quick cut-off valve
  • Pneumatic piston-type quick cut-off valve
  • Pneumatic piston-type quick cut-off valve
  • Pneumatic piston-type quick cut-off valve
Pneumatic piston-type quick cut-off valvePneumatic piston-type quick cut-off valvePneumatic piston-type quick cut-off valvePneumatic piston-type quick cut-off valve

Pneumatic piston-type quick cut-off valve

  • Product Item:ZSQ
  • Port size:DN50~600, NPS 2〞~ 24〞
  • Pressure:PN16 ~ 100,150LB ~ 600LB
  • Body material:WCB WC6 WC9 CF8 CF3 CF8M CF3M
  • Medium:Water,oil,steam,gas
  • Pneumatic piston-type quick cut-off valve , Pneumatic piston-type cut-off valve
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    Description

    Pneumatic piston-type quick cut-off valve

    PNEUMATIC PISTON CYLINDER CONTROL VALVE DESCRIPTION
    pneumatic piston cylinder control valve is piston actuator design for high pressue medium, pneumatic piston cylinder control valve is a top entry globe type valve with flange connection or welding connection and which is cage type seat.The body of channel pneumatic piston cylinder control valve is streamlined by S shape with low pressure loss, high capacity,wide regulating range, and high accuracy in flow characteristics. pneumatic piston cylinder control valve plug features with guiding area and good vibration resistance. pneumatic piston cylinder control valve is equipped with pistion actuator and compact in structure as well as big in output force. This pneumatic piston cylinder control valve is designed to control a broad variety of fluids, like steam, water, most of the medium and gases.
    PNEUMATIC PISTON CYLINDER CONTROL VALVE FEATURE
    Reduced trim can be chosen to provide wide capabilities for site applications
    Balanced trims are suitable for high pressure drop and shutoff
    Hardened trims to handle high pressure drop applications
    Bellows seal for special medium
    Extended bonnet for low temperature
    Finned bonnet for high temperature
    Higher maximum valve flow coefficients
    Bigger body volume to reduce cavitations 

    • PNEUMATIC PISTON CYLINDER CONTROL VALVE SPECIFICATION

      pneumatic piston cylinder control valveBody 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 piston cylinder control valve Bonnet type: Ⅰ:standard type(-20℃~230℃)
      Ⅱ:Radiator type: (-45℃~ high than 230℃ occasion)
      Packing: V type PFTE packing, flex. graphite packing, etc.
      Gasket: Metal graphite packing
      control valve Actuator: Pneumatic: piston type actuator.
    • PNEUMATIC PISTON CYLINDER CONTROL VALVE MATERIAL 

      Component name Control Valve Material
      Body/Bonnet WCB/A105/WC6/WC9/CF8/CF8M/CF3M
      Valve spool/Seat 304/316/316L(overlaying stellite alloy)
      Packing 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 PISTON CYLINDER CONTROL VALVE PERFORMANCE

      pneumatic piston cylinder 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 piston cylinder control valve Allowable leakage Metal seal:  IV grade(0.01% rated capacity)
      Leakage standard:  GB/T 4213
      pneumatic piston cylinder 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
       

     DN L A H L 1 H 1 A 1 Weight (Kg) Signal connector 
    20 150 130 220 80 115 100 10 M10X1
    25 160 130 220 80 120 100 12
    32 180 150 235 80 130 100 15
    40 200 150 235 95 138 120 18
    50 230 150 240 95 155 120 25
    65 290 280 250 105 178 160 30
    80 310 280 260 105 207 160 40
    100 350 280 265 105 222 160 60

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