034G3501 – Electric expansion valve, ETS 400 Danfoss

The Danfoss ETS 400 (034G3501) is a flagship, high-capacity electronic expansion valve designed to handle massive refrigerant flows with laboratory-grade precision in the UAE‘s largest industrial and commercial cooling plants.

Inlet connection type: Solder ODF, Inlet size [mm]: 54.00, Outlet size [mm]: 54.00

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Product details

Danfoss ETS 400 Electric Expansion Valve | 1 5/8 x 1 5/8 in ODF

Product Description:

 The Danfoss ETS 400 (034G3501) is the definitive solution for high-tonnage cooling requirements in the UAE. As the largest valve in the standard ETS range, it utilizes a high-resolution bipolar stepper motor to provide unmatched accuracy in refrigerant dosing, which is vital for maintaining system stability in Dubai’s extreme peak-load scenarios. With its 1 5/8 in solder connections, it is engineered for large-scale evaporators in district cooling plants, massive water-cooled chillers, and industrial processing facilities. The ETS 400 features a balanced orifice design that facilitates bi-flow operation, making it ideal for the Middle East’s most powerful reversible heat pump systems. Its robust, hermetically sealed construction ensures a lifetime of reliable performance under the intense pressure and thermal conditions typical of UAE infrastructure projects.

Key Features & Benefits:

  • Ultimate Flow Capacity: Designed for the largest piping systems (1 5/8 in) in UAE industrial HVAC applications.
  • Superior Superheat Precision: High-resolution stepper motor ensures stable and efficient evaporator performance, even during rapid load shifts in Dubai.
  • Energy Management Excellence: Enables precise modulation that significantly reduces the operating costs of high-tonnage UAE chillers.
  • Bi-directional Capability: Delivers peak performance in both flow directions, perfect for large-scale UAE reversible cooling plants.
  • Rugged Hermetic Build: Constructed from high-grade stainless steel and copper to resist corrosion in the humid and saline environments of the UAE.

 

Technical Specifications :

Specifications Value
Manufacturer Danfoss
Product Model ETS 400
Code Number 034G3501
Connection Size 1 5/8 in x 1 5/8 in (ODF Solder)
Max. Working Pressure 45.5 bar (660 psi)
Motor Type Bipolar Stepper Motor
Step Resolution 3810 steps
Compatible Refrigerants R410A, R134a, R404A, R407C, R507, R22

 

FAQs:

  • Q: Is the ETS 400 suitable for the heavy-duty chillers used in Dubai Mall or Burj Khalifa?
  • A: Yes, its immense capacity and precision control make it the industry standard for the high-tonnage cooling systems required by UAE‘s iconic mega-structures.
  • Q: What control system do you recommend for the ETS 400 in the UAE?
  • A: For best results, it should be paired with the Danfoss EKE 1 series or EKD 316 superheat controllers common in Dubai industrial panels.
  • Q: Can it be installed in a coastal facility in the UAE?
  • A: Absolutely. Its hermetic, high-grade material construction is specifically designed to withstand the corrosive air and humidity of UAE coastal regions.

 

Specifications

  • GrossWeightValue2.814
  • GrossWeightUnitKilogram
  • NetWeightValue2.087
  • NetWeightUnitKilogram
  • VolumeValue12.034
  • VolumeUnitLiter
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