Danfoss Thermostatic Water Valve AVTA 25 — G 1, Adsorption Charge 10–80 °C
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Product Description
Danfoss AVTA 25 thermostatically operated water valve, genuine OEM code 003N4150. Self-acting proportional temperature-regulating valve for cooling-water and heating circuits: it opens on rising sensor temperature and needs no external power supply, compressed air or electricity. Adsorption charge with a regulating range of 10–80 °C. Connection G 1 (ISO 228-1); kv 5.5 m³/h; stainless steel valve body. Pressure-relieved design — the degree of opening is not affected by differential pressure. Supplied complete with capillary tube gland and hermetically sealed thermostatic element (sensor 9.5 x 150 mm, capillary 2300 mm). Adsorption charge — sensor can be installed in any position; regulating point independent of sensor orientation. EAN 5702423104772.
Technical Specifications
- Brand
- Danfoss
- Part number
- 003N4150
- Type
- AVTA 25 — thermostatically operated (self-acting) water regulating valve
- Category
- HVAC & Refrigeration — Water Regulating Valves
- Function
- Opens on rising sensor temperature (proportional flow regulation)
- Charge type
- Adsorption
- Regulating range
- 10–80 °C
- kv value
- 5.5 m³/h
- Valve size / orifice
- DN25 / 25 mm
- Connection
- G 1 (ISO 228-1)
- Body material
- Stainless steel (AVTA SS — for aggressive media, marine and chemical duty)
- Seat / cone material
- EPDM (ethylene-propylene rubber)
- Sensor
- 9.5 x 150 mm (stainless steel)
- Capillary tube length
- 2300 mm
- Max. working pressure (MWP)
- 16 bar (232 psi)
- Max. test pressure
- 25 bar (365 psi)
- Max. pressure on sensor
- 25 bar (365 psi)
- Medium temperature range
- -25 to 130 °C (-13 to 266 °F)
- Media
- fresh water or neutral brine (ethylene glycol up to 40%)
- Net weight
- 1.24 kg
- EAN
- 5702423104772
- HS code
- 8481.80 (thermostatically controlled valves)
Standards & Compliance
- Size / Series
- G 1
- Material
- Stainless steel
- Thread Standard
- G 1
- Pressure Rating
- 16 bar (232 psi) max working pressure
- Temperature Range
- Regulating range 10–80 °C; medium -25 to 130 °C
- HS Code
- 8481.80
Compatibility & Fitment
Self-acting valve — no power supply required. Select charge type (Adsorption) and regulating range (10–80 °C) to suit the temperature to be maintained; aim to keep the required sensor temperature near the middle of the range. Install an FV strainer ahead of the valve; route the capillary without kinks.
Product Documentation
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Technical guides
- Cross-Referencing Danfoss Refrigeration Components by IMPA and OEM Code
- Danfoss Product Code Decoder — 003Z, 013G, 017B, 023U, 027L, 032F, 060G, 060H, 065B, 065Z, 068Z, 084H, 132F, 148B Series (Complete Reference)
- Danfoss Maneurop MTZ Reciprocating Compressors — Model Range, Voltage Codes and Replacement Guide
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 003N4150?
- 003N4150 can be ordered from cballast.com as a Danfoss catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Danfoss product?
- The manufacturer part number is 003N4150.
- What is the HS code for 003N4150?
- The customs tariff (HS) code for 003N4150 is 8481.80.
- Who manufactures 003N4150?
- 003N4150 is a Danfoss product in the HVAC & Refrigeration range.
- Is a datasheet available for 003N4150?
- Yes — the 003N4150 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 003N4150?
- The minimum order quantity is 1.
- Is 003N4150 available?
- Yes — 003N4150 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).