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Datasheet generated 2026-10-07
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Danfoss AVTA 20 Thermostatic Valve with socket connection - 25°C, 65°C, 3.4M³/h

Danfoss · Valves · Valves · Denmark · danfoss.com
Part Number
003N0031  ·  HS 8481.80
Danfoss AVTA 20 Thermostatic Valve with socket connection - 25°C, 65°C, 3.4M³/h

Danfoss AVTA 20 Thermostatic Valve with socket connection. Regulating valves for water (Plumbing / Heat / Valves for heating and cooling systems). Principal data: setting temperature min 25 °C, setting temperature max 65 °C, kvs value 3.4 m³/h. Supplied under manufacturer part number 003N0031, EAN 5702423000272, HS code 8481.80, country of origin Poland.

Technical Specifications

Product typeRegulating valves for water
Product groupHeat
Setting temperature min25 °C
Setting temperature max65 °C
Kvs value3.4 m³/h
Thread3/4"
REACH SVHC substance above 0.1%Lead
Carbon footprint (EPD)12.2936 kg CO2e per pcs
Country of originPoland
Customs tariff code (EU CN)84818059
HS code8481.80
Manufacturer part number003N0031
VVS number451005736
EAN5702423000272
Net weight1.4 Kilogram
TypeAVTA 20
ApprovalEAC
ArmoringYes
Body materialBrass
Cap. tube length fraction [in]78 3/4 in
Capillary tube gland Int/ExtInternal
Capillary tube gland size [in]3/4
Capillary tube gland standardISO 228-1
Capillary tube gland typeG
Capillary tube length [mm]2000 mm
Charge typeUniversal
China RoHS complianceYes
China RoHS exemption clause7.3
Connection Internal/ExternalInternal
Connection size [in]3/4
Connection standardISO 228-1
Connection typeG
Cv value [gal/min]3.9 gal/min
Differential pressure [bar] [max]10 bar
Differential pressure [bar] [min]0 bar
Differential pressure [psi] [max]145 psi
Differential pressure [psi] [min]0 psi
EU RoHS complianceYes with exemptions
EU RoHS exemption clause6(b)
Flow direction indicatorEmbossed 1-way arrow
Kv value [m³/h]3.4 m³/h
Max. pressure on sensor [bar]25 bar
Max. pressure on sensor [psig]362.6 psig
Max. sensor temperature [°C]90 °C
Max. sensor temperature [°F]194 °F
Max. test pressure [bar] Pe25 bar
Max. test pressure [psig]362.6 psig
Max. Working Pressure [bar]16 bar
Max. Working Pressure [psig]232 psig
MediaNeutral media
Medium temperature range [°C] [max]130 °C
Medium temperature range [°C] [min]-25 °C
Medium temperature range [°F] [max]266 °F
Medium temperature range [°F] [min]-13 °F
Opening configurationOpens on rising sensor temp.
Orifice size [mm]20 mm
Orifice size fraction [in]4/5 in
REACH Candidate Strip substancesLead (CAS no. 7439-92-1)
Sensor size (Ø x L) [in]23/32 x 8 1/4 in
Sensor size (Ø x L) [mm]18 x 210 mm
Temperature range [°C] [max]65 °C
Temperature range [°C] [min]25 °C
Temperature range [°F] [max]149 °F
Temperature range [°F] [min]77 °F

Properties

MOQ1

Cross-References

Attached Documents