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Diaphragm Actuated Intelligent Cage Guided Globe Control Valve

Diaphragm Actuated Intelligent Cage Guided Globe Control Valve

    The YFL diaphragm actuated intelligent cage guided globe control valve is also a kind of pressure balanced globe control valve. It adopts cage guided balanced plug and double line metal seal to be suitable for applications with high temperature, high pressure difference.

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  • Features
  • Specification

  • Compact structure and S type streamline flow make the YFL intelligent cage guided globe control valve meet requirements from different users and suitable for working conditions require low noise with high temperature and high pressure head;
  • The compressing connection between body and cage greatly enhance the sealing grade, prolong the service life of the valve, and make it easy to repair and greatly increase the general performance of the globe control valve;
  • According to bonnet structure, the YFL cage guided control valve is classified into standard type, bellow sealing type, high temperature type for high temperature condition, low temperature type for cryogenic service;
  • Equipped with multi-spring pneumatic reinforce actuator makes the valve realize the conversion of normal close and normal open on site easily, the springs can be effectively protected from the corrosion to prolong the service life of actuator;
  • The actuator and the intelligent valve positioner are connected pipeless to strengthen the shock resistance, stability and precision adjustment, to meet precise control of the working conditions;
  • Only metal seal for cage guided globe control valve.

Main materials:

  • Body: WCB WC6 CF8 CF8M CF3 CF3M etc.
  • Plug: 304/316/304L/316L+stellite etc.
  • Cage: 304/316/304L/316L+stellite etc.
  • Stem: 304 316 etc.

Technical parameters:

  • Size: 1 1/2"16" (DN40400)
  • Pressure rating: Class 150600 (PN16PN100)
  • Flow characteristic: Equal Percentage Linear
  • Regulating ratio: 50:1
  • Bonnet structure: Standard typecast steel (-20—250)/cast stainless steel (-40—250) Cooling fin type: cast steel (-29—425)/cast stainless steel (-40—450) Low temperature type: cast stainless steel (-60—100) (-100—200)   (-200—250)
  • Seal leakage: ANSI IV
  • End connection: Flanged BW
  • BW ends: ASME B16.25 EN12627
  • Flanged ends: ASME B16.5 EN1092
  • Operation: Air to open/Air to close pneumatic electric