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Datasheet generated 2026-10-07
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Danfoss AVTB 20 Thermostatic Valve with socket connection - 0°C, 30°C, 3.4M³/h, 20

Danfoss · Valves · Valves · Denmark · danfoss.com
Part Number
003N3232  ·  HS 8481.80
Danfoss AVTB 20 Thermostatic Valve with socket connection - 0°C, 30°C, 3.4M³/h, 20

Danfoss AVTB 20 Thermostatic Valve with socket connection. Regulating valves for water (Plumbing / Heat / Valves for heating and cooling systems). Principal data: setting temperature min 0 °C, setting temperature max 30 °C, kvs value 3.4 m³/h, dn dimension 20. Supplied under manufacturer part number 003N3232, EAN 5702421100189, HS code 8481.80, country of origin Poland.

Technical Specifications

Product typeRegulating valves for water
Product groupHeat
Setting temperature min0 °C
Setting temperature max30 °C
Kvs value3.4 m³/h
DN dimension20
Carbon footprint (EPD)11.7540 kg CO2e per pcs
Country of originPoland
Customs tariff code (EU CN)84818051
HS code8481.80
Manufacturer part number003N3232
GTIN (EAN)5702421100189
VVS number451010006
EAN5715255156109
Net weight1.634 Kilogram
TypeAVTB
Ambient temperature [°C] [max]70 °C
Ambient temperature [°C] [min]0 °C
Approval standardETA VA 1.54/18952
Capillary tube length [m]2 m
Cavitation factor0.4
China RoHS complianceOut of scope
Cone /seat sealing materialNBR / Brass W. No 2.0402
Connection sizeRp 3/4
Connection standardISO 7/1
Connection typesInternal thread
DescriptionAVTB 20 Thermostatic valve 0-30#C
Diameter [mm]20 mm
Differential pressure range [bar] [Max]10 bar
EU RoHS complianceYes with exemptions
EU RoHS exemption clause6(c)
Flow characteristicLinear
Flow controlNo
FunctionTemp. controller
Function VSP - PNo
Function VSP - QNo
Function VSP - TYes
Impulse tube materialCopper mat. No 2.0090
Kvs values [m³/h]3.4 m³/h
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]130 °C
Media temperature [°C] [Min]2 °C
Media temperature at sensor [°C] [Max]55 °C
Medium alternativeGlycolic water up to 30%
Number of ports2
Permissible mediaDistrict heating/cooling circulation water
PN alternative VSP10
Pressure classPN 16
Pressure nominal [bar]16 bar
REACH Candidate Strip substancesLead (CAS no. 7439-92-1)
Rection time close [sec]15 "
Rection time open [sec]3 "
Return limiter functionNo
Sensor connectionM22x1 / R3/4 ext thread acc. DIN 2999
Temperature controlYes
Temperature sensor diameter [mm]18 mm
Temperature sensor length [mm]210 mm
Temperature sensor materialCopper mat. No 2.0090
Temperature setting range [°C] [Max]30 °C
Temperature setting range [°C] [Min]0 °C
Time constant [sec]3 "
Transport temperature [°C] [Max]50 °C
Transport temperature [°C] [Min]-20 °C
Valve body materialBrass CuZn40Pb2 W. no 2.0402
Valve cone materialNBR rubber
Valve seat materialCr Ni steel W.no 1.4301
Valve sizeDN 20

Properties

MOQ1

Cross-References

Attached Documents