E3V-C stepper valves for high-pressure transcritical CO2

  • Uses the superheat calculated by a pressure and temperature probe located at the evaporator outlet, as the control signal
  • Stainless steel body and connections, an SS motor-cartridge housing and a demountable stator


Technical specifications

  • Maximum Working Pressure (MWP) = 140 barg (2030 PSIg)
  • Maximum Differential Working Pressure (MOPD) = 90 bar (1305 PSI)
  • P.E.D. - Gr. 2, art. 3, par.3
  • Fluid working temperature limits: -40T65°C (-40T149°F)
  • Environment working temperature limits: -30T50°C (-22T122°F)
  • Number of Steps: 480
  • Package contains: 1 threaded cap, 1 resin-bonded stepper motor with pins for the connector, 1 cartridge with kinematic mechanism and control system, 2 o-rings for seal seat between the body and the cartridge, 1 filer, 1 body with fittings to be welded to the circuit pipework

Dimensions:

  • CWM00 inox/steel 5/8’’- 5/8’’
  • CWR00 inox/steel 7/8” – 7/8”

Available sizes of the E3V valve are:

  • E3V30CWM00 5/8” connections
  • E3V35CWM00 5/8”
  • E3V45CWM00 5/8”
  • E3V55CWR00 7/8”
  • E3V65CWR00 7/8”

Advantages

  • Reliability in under high-pressure application
  • Efficient operation with fluid flow in both directions
  • Simplified refrigerant circuit for reverse-cycle operation
  • Reduced installation costs
  • Web-based software (ExVLab) allows you to select the operating conditions with valve dimension

Application

  • Commercial refrigeration / Convenience stores



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