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.
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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 COâ‚‚ 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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A range of compact, quiet and lightweight stepper motor expansion valves for higher system protection in small A/C units such as VRF, CRAC and Heat Pumps. They are compatible with 12V drivers.
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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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A range of manifold expansion valves for large air conditioning systems such as chillers. They are compatible with oil-free technology.
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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.
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Brochure | Brochure_Electric Expansion Valves overview | English | Multiple | 08 Aug, 2025 | 3.2 MB | |
| Data sheet | Electric expansion valve type ETS 12.5 - ETS 400 | English | Multiple | 10 Oct, 2019 | 3.0 MB | |
| Data sheet | Electric expansion valve Type ETS 500P, ETS 800P | English | Multiple | 08 Jun, 2020 | 1.4 MB | |
| Installation guide | Electric expansion valve, type ETS 250, ETS 400, ETS 500P and ETS 800P Electric regulating valve, type KVS 42 | English | Multiple | 11 Mar, 2021 | 1.2 MB | |
| Data sheet | Electric operated valves, type ETS and KVS | English | Multiple | 14 Jan, 2016 | 348.3 KB | |
| Brochure | ETS 6 + EIM 336 Save energy with precise flow control in A/C | English | Multiple | 03 Oct, 2014 | 535.3 KB |
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.
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Related products
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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.
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To ensure precise control of superheat in your air conditioning system, choose a reliable and effective superheat controller. Browse the Danfoss product range here.
