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Cryogenic Top Guided Single Seat Globe Control Valve

Cryogenic Top Guided Single Seat Globe Control Valve

    The SV top guided single seat globe control valve has functions of shut-off and throttling the flow. It uses modular design, with advantages of compact structure and wide varieties. The varieties combination of trim components makes the SV top guided single seat globe control valve applicable for high pressure difference, high precision and low noise working conditions to meet different applications.

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  • Features
  • Specification

  • The modular design makes the SV single seat globe control valve easy to repair and convenient for maintenance;
  • Single seat with double sealing sides and compressing tightly body ensure excellent seal performance and prolong the service life;
  • The SV double guided single seat globe control valve has top guided and bottom guided available under the seat makes it suitable for applications require high stability and high pressure;
  • According to bonnet structure, it is classified into standard type, double guided type, control and shut-off type, shut-off type, cool fin type for high temperature application, bellow sealing type, low temperature type for cryogenic service, Jacket type;
  • 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.

Main materials:

  • Body materials: WCB, WC6, CF8, CF8M etc.
  • Seat materials: 304/316+stellite etc.
  • Plug materials: 304/316+stellite for metal seal, 304/316+RPTFE for soft seal etc.
  • Cage materials: 304, 316 etc.
  • Guide sleeve: 304, 316 etc.
  • Stem materials: 304, 316 etc.

Technical parameters:

  • Size: 1/2"16" (DN15400)
  • Pressure rating: Class 150600 (PN16PN100)
  • Flow characteristic: Equal Percentage, Linear, Quick Open (for shut-off valve)
  • Regulating ratio: 50:1
  • Bonnet structure: Standard typecast steel (-20—250)/cast stainless steel (-40—250), High temperature fin extension 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/V (metal seal), VI (soft sealing)
  • 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