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Product Series: VC9000 VC3000 VC2000 VC5000 VC6000 VC8000 VC7000 VC4000 Actuators Accessories

VC9000 Series Sliding-Stem Control Valve
VC3000 Series Sliding-Stem Three-Way Control Valve
VC2000 Series Sliding-Stem Fluorine-Lined Control Valve
VC5000 Series Ball Control Valve
>> VC5100 Special Seat Eccentric Ball Valve
>> VC5200 O-Type Shut-Off Ball Valve
>> VC5300 Fluorine-Lined Ball Valve
>> VC5400 Three-Way Ball Valve
VC6000 Series Butterfly Control Valve
>> VC6100 Double Eccentric Butterfly Valve
>> VC6300 Triple Eccentric Butterfly Valve
>> VC6400 Fluorine-Lined Butterfly Valve
>> VC6500 Disc Butterfly Valve
VC8000 Series Self-operated Control Valve
>> VC8100 Ordinary Self-operated Pressure Control Valve
>> VC8200 Self-operated Differential Pressure /Micro-pressure Control Valve
>> VC8300 Pilot-operated Pressure Control Valve
VC7000 Series High Pressure Control Valve
>> VC7100 Angle High Pressure Control Valve
>> VC7300 Globe High Pressure Control Valve
>> VC7400 Ball High Pressure Control Valve
VC4000 Series Cryogenic Control Valve
>> Pneumatic
>> VCZ Springless Piston Actuator
>> VCZ Diaphragm Actuator
>> VCR Series Rotary Rack-and-Pinion Actuator
>> Electric
>> Positioner
>> Air Set
>> Solenoid Valve
>> Limit Switch
>> Locked Valve
>> Quick Exhaust Valve
>> Speed Controller
VC8200 Self-operated Differential Pressure/Micro-pressure Control Valve

  ◆The initial position of acting plug after valve is normally opened, and it will be closed when pressure

      differential increases, and used mostly to control the pressure differential of media between two pipes

      to ensure a certain proportioning.
  ◆The initial position of acting plug before valve is normally closed, and it will be opened when pressure

      differential increases, and used mostly to control the pressure differential of the same pipe before and

      after valve to ensure flow control.
  ◆Pressure setpoint can be field controlled within the range of pressure regulation.
  ◆This series of valve with a balance structure adopts self-balanced double sealing-face cage or double-

      seal plug as throttling component which is suitable for the condition of big pressure drop.
  ◆Actuator adopts rubber diaphragm as detecting element featuring small resistance, quick response

      and high precision adjustment. A very slight variation in pressure can be detected by diaphragm.


  ◆Type of Valve: self-operated
  ◆Type: VC8200
  ◆Nominal Dia:  DN20~DN300
  ◆Nominal Pressure:PN10,16,25,40,50;
  ◆Pressure Rating: Class150,300
  ◆Body Material: ZG230-450、ZG1Cr18Ni9Ti、ZGCr18Ni12Mo2Ti
  ◆Flow Cv: 7~1925
  ◆Flow Characteristic: quick opening
  ◆Precision adjustment: ±5~10
  ◆Leakage Class:   
      Hard seal: ANSI Class II, ANSI Class IV
      Soft seal:  ANSI Class IV, ANSI Class V, ANSI Class VI
  ◆End Connections: flanged


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