Precise flow regulation for efficient and reliable operation
Our series of electric expansion valves, ETS, offer you efficient and reliable operation, covering any air conditioning system demand. The valves are compatible with controllers from Danfoss as well as other manufacturers.
View 3D models
When matched with the Danfoss superheat controller, and pressure and temperature sensors, the valves are designed for precise liquid injection in evaporators. The valve is fully balanced, providing a bi-flow feature as well as solenoid tight shut-off function in both flow directions. The valve design uses a bipolar motor to provide precise flow regulation.
Features and benefits
A wide range of electric expansion valves for all common refrigerants, a wide range of capacities and pressure ranges
Special valves for CO₂ are available
Most models have built-in sight glass with moisture level indicator
Stepper motors for precise regulation
Precise positioning for optimal control of liquid injection
Internal and external corrosion-resistant design
Low power consumption
Cable and connector assemblies as accessories
Product range
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ETS 6 is a compact and lightweight electric expansion valve. The current range is available with different capacities, and can be used with all common refrigerants (R410A, R407C, R404A, R134a, R22). The valve design uses uni-polar drives, and different control solutions exist that are compatible with uni-polar drives.
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ETS 50 and ETS 100 are equipped with sight glass with moisture indicator. Body and AST motor enclosure in brass, connections in bi-metal (stainless steel/copper). Compatibility: R410A, R407C, R404A/R507, R134a, R22.
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ETS 250 and ETS 400 are equipped with sight glass with moisture indicator. Body and AST motor enclosure in brass, connections in copper. Compatibility: R407C, R404A/R507, R134a, R22.
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ETS 12.5 and ETS 25 body and AST motor enclosure in brass, connections in copper. Compatibility: R410A, R407C, R404A/R507, R134a, R22.
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ETS Colibri® is an electronic stepper motor valve. The valve has been designed for precise liquid injection into evaporators for air conditioning and refrigeration applications.
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Brochure | Brochure_Electric Expansion Valves overview | Polish | Poland | 30 Jun, 2023 | 1.8 MB | |
| Brochure | Brochure_Electric Expansion Valves overview | English | Multiple | 23 Sep, 2024 | 2.7 MB | |
| Brochure | ETS 6 + EIM 336 Save energy with precise flow control in A/C | English | Multiple | 03 Oct, 2014 | 535.3 KB | |
| Brochure | ETS 6 + EIM 336 Save energy with precise flow control in A/C | German | Multiple | 03 Oct, 2014 | 616.3 KB | |
| Brochure | ETS6 Sales Brochure(4P) | Chinese (CN) | Multiple | 21 Oct, 2014 | 665.8 KB | |
| Brochure | Heat pump components - selection guide | Korean | Multiple | 07 Apr, 2015 | 4.6 MB | |
| Brochure | Heat Pump Components - selection guide | English | Multiple | 03 Oct, 2014 | 1.3 MB | |
| Brochure | Overview brochures: Electronic Expansion Valves | German | Multiple | 15 Nov, 2022 | 1.5 MB | |
| Brochure | Time is money - Optimise your heat pump business - - - Heat pump component selection catalogue | German | Multiple | 03 Oct, 2014 | 1.3 MB |
Software
The truth is Cool(selector®2)
Coolselector®2 features unbiased calculations for the selection of refrigeration and air conditioning components based on the user’s requirements or based on standard operating conditions.
Related products
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If you want precise control of superheat in your air conditioning system choose a reliable and effective superheat controller from Danfoss.
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Refrigeration pressure transmitters are used for commercial air-conditioning and for commercial and industrial refrigeration applications. They are made in stainless steel to be compatible with fluorinated and natural refrigerants and laser welding with no soft seals ensure hermetic tightness for decades.
Learning
Learn more with Danfoss Learning
Case studies
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Taiwan-based Kuen Ling Refrigerating Machinery Corporation began using Danfoss electronic expansion valves in its water chiller units in 2010. Within five months, the company was using Danfoss expansion valves for their entire range of chillers.
Avoid counterfeits
Watch out for counterfeits to protect your image
Fake products give your business as well as our company a bad name. Therefore, we are doing everything we can to fight the counterfeits. Read more about how to make sure that the product you buy is genuine Danfoss quality.