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Datasheet generated 2026-10-07
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Danfoss WVFX 10 Water Regulating Valve G 3/8 in 15 – 29

Danfoss · HVAC & Refrigeration · Water Regulating Valves · Denmark · danfoss.com
Part Number
003N1410  ·  HS 8481.80
Danfoss WVFX 10 Water Regulating Valve G 3/8 in 15 – 29

Danfoss WVFX 10 pressure-operated water regulating valve, OEM P/N 003N1410. Modulates cooling-water flow to a water-cooled condenser to hold the condensing pressure constant, and shuts the water off when the plant stops. The valve is opened by the condensing (refrigerant) pressure acting on a bellows and is closed by an adjustable spring; the setting is read on a 1–5 scale. High-pressure refrigerant version (refrigerant-side MWP 45.2 bar), G (ISO 228-1) water connection. Water connection G 3/8 in (ISO 228-1); refrigerant sensing connection 1/4 in / 6 mm SAE flare. Control pressure range 15 – 29 bar (232 – 421 psig); Kv 1.4 m³/h. Body brass. Max working pressure 16 bar (232 psig). Media: Fresh water, neutral brine. Verify the setting range and refrigerant against the datasheet before ordering.

Technical Specifications

BrandDanfoss
Part number003N1410
ModelWVFX 10 pressure-operated water regulating valve
CategoryHVAC & Refrigeration — Water Regulating Valves
Versionhigh-pressure refrigerant version (refrigerant-side MWP 45.2 bar), G (ISO 228-1) water connection
Functionopens on rising condensing (refrigerant) pressure; proportional (self-acting) regulation of condensing pressure by throttling the condenser cooling water
Nominal sizeWVFX 10 (DN 10)
Water-side connectionG 3/8 in, ISO 228-1 (inlet and outlet)
Refrigerant sensing connection1/4 in / 6 mm SAE flare
Control pressure range15 – 29 bar (232 – 421 psig)
Kv1.4 m³/h (Cv 1.6 gal/min)
Max working pressure (MWP)16 bar (232 psig) water side; 45.2 bar (655 psig) refrigerant side
Media temperature range-25 °C to 130 °C
Body materialbrass
MediaFresh water, neutral brine
PackingSingle pack
EAN5702428288149
MaterialsValve housing hot-pressed brass; regulating seat and bellows stainless steel; adjustment spring steel
ApprovalsUL Listed (C UL US), EAC, PED, EU RoHS, China RoHS
Refrigerants (sensing side)R32, R410A, R452B, R454B and the standard HFC/HFO set (R134a, R404A, R407C, R448A, R449A, R507A, R513A, etc.) — see datasheet for the full approved list

Properties

MaterialValve housing hot-pressed brass; regulating seat and bellows stainless steel; adjustment spring steel
Pressure rating16 bar (232 psig) water side; 45.2 bar (655 psig) refrigerant side max working pressure
Temperature range-25 °C to 130 °C
Standard sizeWVFX 10
Thread standardISO 228-1
MOQ1

Compatibility

Fit in the cooling-water line to the condenser with the flow arrow in the direction of flow; the refrigerant sensing flare connects to the condenser/receiver. Set the closing pressure on the adjustment spring to the required condensing pressure. Direct-acting (opens on rising pressure). Confirm code, water connection and setting range before ordering.

Standards

Approvals

Attached Documents