Danfoss logo
Temperature controller AVTQ - controller part

AVTQ, PN 16, DN 20, 3.20 m³/h, 45 °C - 60 °C, 1.0 m, External Thread

003L3526

AVTQ Main contr. DN20 excl.pilot c., I-p

Product specifications

Characteristic
Value
Ambient temperature [°C] [max]70 °C
Ambient temperature [°C] [min]0 °C
Capillary tube length [m]1.0 m
Cavitation factor0.60
Cone /seat sealing materialEPDM / Stainless steel 1.4571
Connection sizeG 1 A
Connection standardISO 228/1
Connection typesExternal Thread
Control ratio100:1
DescriptionAVTQ Main contr. DN20 excl.pilot c., I-p
DG Indicator ProfileOther Dangerous Goods
Diameter [mm]20 mm
Differential pressure range [bar] [Max]4.00 bar
Flow characteristicSplit
FunctionFlow compensated temp. controller
Function VSP - PNo
Function VSP - QNo
Function VSP - TNo
Impulse tube materialCopper mat. No 2.0090
In scope of WEEE and contain batteriesNo
Kvs values [m³/h]3.20 m³/h
Leakage rate [% Kvs]< 0.05
Material DescriptionAVTQ Main contr. DN20 excl.pilot c., I-p
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]100 °C
Characteristic
Value
Media temperature [°C] [Min]2 °C
Media temperature at sensor [°C] [Max]130 °C
Medium alternativeGlycolic water up to 30%
Medium alternative 2 DHWDomestic hot water (clorine (cl) content max. 200 PPM)
Number of ports2
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 16
Pressure nominal [bar]16 bar
Product groupTemperature controllers
Product lineDistrict Energy Controls
Product TypeAVTQ
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Rection time close [sec]4 "
Rection time open [sec]4 "
Sensor connectionM22x1 / R3/4 ext thread acc. DIN 2999
Temperature sensor diameter [mm]15.0 mm
Temperature sensor length [mm]90 mm
Temperature sensor materialCopper mat. No 2.0090
Temperature setting range [°C] [Max]60 °C
Temperature setting range [°C] [Min]45 °C
Transport temperature [°C] [Max]50 °C
Transport temperature [°C] [Min]-20 °C
Valve body materialRg5 W. no 2.1096.01
Valve cone materialEPDM rubber
Valve seat materialCrNi steel W. No 1.4404
Valve sizeDN 20

General specifications

Characteristic
Value
Gross weight2.92 Kilogram
Net weight2.92 Kilogram
Characteristic
Value
Volume9.168 Liter
Proposition 65Cancer and Reproductive Harm