Danfoss Electric expansion valve Type ETS12.5/ETS25/ETS50/ETS100B introduction
ETS is a series of electric expansion valves for precise liquid injection in evaporators for air conditioning and refrigeration applications. The valve piston and linear positioning design is fully balanced, providing bi-flow feature as well as solenoid tight shut-off function in both flow directions.
The valve design uses bi-polar drive providing very precise flow regulation.
ETS valves are compatible with electronic control solutions from Danfoss and other manufacturers.
Danfoss Electric expansion valve Type ETS12.5/ETS25/ETS50/ETS100B Features
• Precise positioning for optimal control of liquid injection.
• Wide range for all common refrigerants R22, R134a, R404A, R407A, R407C, R407F, R422B,R422D, R438A, R448A, R449A, R450A, R452A,R507, R513A, R410A, R1234ze and other refrigerants.
Special valves for R744 (CO2) are available.
• ETS 12.5, ETS25, ETS 50 and ETS100 provides working pressure of 45.5 bar / 660 psig and ETS 250, ETS 400 provides 34 bar / 493 psig.
• All ETS can be operated with flow in both directions and are solenoid tight.
• ETS 50 to ETS 400 have a balanced design.
• ETS 50 and ETS 100 feature improved process and productivity due to waterless brazing i.e soldering without wet cloth for cooling.
• Special ETS 250 and ETS 400 available for oil free applications.
• ETS 50 – ETS 400 are all designed with built-in sight glass with moisture indicator.
• Internal and external corrosion resistant design.
• Low power consumption.
• Cable and connector assemblies as accessories.
• EKC 316A, EKC 312 and EKD 316 are examples of Danfoss controllers with drivers matching the ETS needs.
• Danfoss EKE 1A, EKE 1B, EKE 1C, MCX061V,MCX152V are examples of Danfoss controllers with drivers matching the ETS needs.
• For manual operation and service of ETS valves an AST-g service driver is available.
Danfoss Electric expansion valve Type ETS12.5/ETS25/ETS50/ETS100B Technical data
Compatible refrigerants
Wide range for all common refrigerants R22, R134a, R404A, R407A, R407C, R407F, R422B,
R422D, R438A, R448A, R449A, R450A, R452A, R507, R513A, R410A, R1234ze and other
refrigerants.
Special valves for R744 (CO2) are available.
For other refrigerants, please contact your local Danfoss representative.
Refrigerant oil All mineral oils and ester oils and special ETS 250 and ETS 400 support oil free applications
Comply with P.E.D. Yes
Max. opening pressure
differential (MOPD) normal flow
33 bar (478.6 psi)
Max. opening pressure
differential (MOPD) reverse flow
ETS 12.5, ETS 25, ETS 50, ETS 100: 33 bar (478.6 psi)
ETS 250, ETS 400: 10 bar (145 psi)
Max. working pressure (PS/MWP)
ETS 12.5, ETS 25, ETS 50, ETS 100: 45.5 bar (660 psig)
ETS 250, ETS 400: 34 bar (493 psig)
Inlet fluid temperature -40 °C – 65 °C (-40 °F – 149 °F). For higher temperature valve, please contact Danfoss.
Ambient temperature -40 °C – 60 °C (-40 °F – 140 °F)
Material of Construction
ETS 50, ETS 100: Body and AST enclosure in brass, connections in bi-metal
(stainless steel/copper).
ETS 12.5, ETS 25, ETS 250, ETS 400: Body and AST enclosure in brass, connections in copper.
