003N3105 – Pressure operated water valve, WVFX 20, 4.00 bar – 23.00 bar, 3.400 m³/ Danfoss

The Danfoss WVFX 20 (003N3105) is a robust 3/4″ pressure-operated water valve with an extended regulating range up to 23 bar, designed for precise water flow modulation in high-pressure UAE refrigeration systems.

Connection type: G, Connection size [in]: 3/4, Kv value [m³/h]: 3.400, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 4.00 – 23.00, Connection size (refrigerant): 1/4 in – 6 mm, Connection type (refrigerant): SAE flar

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Product details

Danfoss WVFX 20 High Pressure Water Valve | 3/4 in | 4.0 – 23.0 bar

Product Description:

The Danfoss WVFX 20 (003N3105) is specifically engineered to meet the demands of high-pressure cooling systems across the UAE. Featuring 3/4 in (G 3/4) threaded connections, this valve automatically adjusts cooling water flow based on the refrigerant’s condensing pressure. Its standout feature is the wide regulating range of 4.0 to 23.0 bar, making it ideal for systems using modern high-pressure refrigerants in Dubai’s high-ambient conditions. By maintaining a constant condensing pressure, it ensures stable expansion valve performance and protects the compressor. The valve is pressure-neutralized, ensuring that water supply fluctuations do not affect its accuracy, providing a reliable and water-efficient solution for UAE‘s commercial and industrial water-cooled units.

Key Features & Benefits:

  • Extended Pressure Range: Adjusts from 4.0 to 23.0 bar, offering greater flexibility for high-pressure applications in the UAE.
  • Precise Flow Modulation: Maintains stable condensing pressure regardless of the fluctuating water temperatures in Dubai.
  • Compact & Efficient: With a Kv value of 3.4 $m^3/h$, it is perfect for medium-sized condensers in UAE commercial buildings.
  • Water & Energy Saving: Prevents excessive water consumption by only allowing flow when necessary, supporting UAE green initiatives.
  • Robust Construction: Designed to withstand high working pressures on both water (16 bar) and refrigerant (26.5 bar) sides.

 

Technical Specifications :

Specifications Value
Manufacturer Danfoss
Product Model WVFX 20
Code Number 003N3105
Connection Size G 3/4 (3/4 inch Thread)
Regulating Range 4.0 bar to 23.0 bar
Max. Working Pressure (Water) 16.0 bar
Max. Working Pressure (Refrigerant) 26.5 bar
Kv Value ($m^3/h$) 3.4 $m^3/h$
Media Temperature -25°C to +130°C

 

FAQs:

  • Q: Why choose the 003N3105 model over the standard WVFX in the UAE?
  • A: This model offers a higher top-end regulating range (23 bar), which is often required for high-pressure refrigerants operating in the extreme heat of Dubai.
  • Q: Is this 3/4″ valve suitable for small commercial chillers in the UAE?
  • A: Yes, the WVFX 20 size is the industry standard for medium-capacity water-cooled condensers across the UAE.
  • Q: Can it be used with neutral brines in Dubai?
  • A: Yes, it is compatible with fresh water and neutral brines, making it versatile for various UAE industrial cooling tasks.

 

Specifications

  • GrossWeightValue1.406
  • GrossWeightUnitKilogram
  • NetWeightValue1.225
  • NetWeightUnitKilogram
  • VolumeValue4.03
  • VolumeUnitLiter
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