EX4-8

Electrical control valves series EX4-8 - Multifunction as expansion valve, hot gas bypass, suction gas throttling, head pressure, liquid level actuator etc.

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Specifications

Function
Expansion valve, Hot gas bypass, Suction duty, heat reclaim, Liquid and head pressure duty
Refrigerants compatibilities
R410A, R134a, R22, R404A, R407C, R407A, R407F, R1234ze, R448A, R449A, R450A, R513A, R290
Capacity
up to 1789 kW (see conditions)
Performances given at conditions
Expansion valve application with R744 at -40°C evaporating temperature, -10°C condensing and 1K subcooling, 100% of valve capacity

Features

  • Fully hermetic design (no thread joints between valve body and motor compartment)
  • Applicable to all common refrigerants (HCFC, HFC , HFO/HFO Blends) and for subcritical CO2 applications. EX4-7 released for R290.
  • Stepper motor driven
  • Short opening and closing time
  • Very fast full-stroke time
  • High resolution and excellent repeatability
  • Positive shut-off function to eliminate the need for additional solenoid valve
  • Bi-flow versions for heat pump applications
  • High linear flow capacity

Documents & Drawings

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Product images shown are for illustration purposes only and may not be an exact representation of the product or package contents