034G4203 – Electric expansion valve, ETS 25 Danfoss

The Danfoss ETS 25 (034G4203) is a high-precision, bipolar stepper motor-driven electronic expansion valve designed to provide stable and efficient refrigerant control for UAE‘s mid-sized commercial cooling systems.

Inlet connection type: Solder ODF, Inlet size [mm]: 22.00, Outlet size [mm]: 22.00

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Product details

Danfoss ETS 25 Electric Expansion Valve | 5/8 x 5/8 in ODF

Product Description:

The Danfoss ETS 25 (034G4203) is a versatile and reliable solution for a wide range of HVAC and refrigeration applications in the UAE. Featuring a high-resolution stepper motor, it offers exceptionally accurate flow modulation, ensuring optimal evaporator superheat and peak system efficiency even under Dubai’s extreme ambient conditions. Its 5/8 in solder connections make it highly compatible with standard piping in commercial AC units and refrigeration racks. The valve’s balanced design supports bi-flow operation, making it ideal for heat pump systems in the Middle East. Constructed with a hermetic design and high-grade materials, the ETS 25 is engineered to withstand high-pressure refrigerants like R410A while ensuring a long, leak-free service life.

Key Features & Benefits:

  • Precision Modulation: Delivers exact refrigerant dosing to match variable cooling loads, saving energy in UAE facilities.
  • Bi-flow Versatility: Maintains consistent performance in both flow directions, perfect for reversible systems in Dubai.
  • High Working Pressure: Rated for up to 45.5 bar, making it fully compatible with R410A and other high-pressure refrigerants used in the UAE.
  • Hermetic Seal: Laser-welded construction eliminates leak paths, ensuring zero refrigerant loss and environmental compliance in Dubai.
  • Balanced Design: Provides stable regulation even with high pressure differentials, typical during peak UAE summers.

 

Technical Specifications :

Specifications Value
Manufacturer Danfoss
Product Model ETS 25
Code Number 034G4203
Connection Size 5/8 in x 5/8 in (ODF Solder)
Max. Working Pressure 45.5 bar (660 psi)
Motor Type Bipolar Stepper Motor
Compatible Refrigerants R410A, R134a, R404A, R407C, R507, R22
Step Resolution 2625 steps

 

FAQs:

  • Q: Is the ETS 25 suitable for VRF systems in Dubai?
  • A: Yes, its precision and fast response make it an excellent choice for VRF and multi-split systems common in the UAE.
  • Q: Which controller is best for this valve in the UAE?
  • A: It is fully compatible with Danfoss EKE and EKD series controllers widely available in Dubai.
  • Q: Does it require any special tools for installation in Dubai?
  • A: Standard brazing tools for ODF connections are used; however, careful attention to the motor’s temperature during soldering is recommended for UAE technicians.

 

Specifications

  • GrossWeightValue1.104
  • GrossWeightUnitKilogram
  • NetWeightValue0.911
  • NetWeightUnitKilogram
  • VolumeValue3.321
  • VolumeUnitLiter
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