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Self-acting flow and temperature controller type AVQT

AVQT, PN 25, DN 20, Flow rate [m³/h]: 0.16 - 3.50, External Thread, G 1 A, Mounting version: Free

003H6762

AVQT PN25 20/6,3 /0,2 thread flow/ret

Product specifications

Characteristic
Value
Actuator diaphragm materialEPDM
ApplicationDistrict Heating
Cavitation factor0.60
Cavitation factor 100%0.41
Cavitation factor 25%0.69
Cavitation factor 50%0.62
Cavitation factor 75%0.60
China RoHS complianceOut of scope
Connection sizeG 1 A
Connection typesExternal Thread
Contain batteriesNo
DG Indicator ProfileNot relevant for dangerous goods
DescriptionAVQT PN25 20/6,3 /0,2 thread flow/ret
Diameter [mm]20 mm
Differential pressure range [bar] [Max]20.00 bar
EU RoHS complianceYes with exemptions
Flow controlYes
Flow limitationNo
Flow rate [m³/h]3.00 m³/h
Flow rate [m³/h] [Max]3.50 m³/h
Flow rate [m³/h] [Min]0.16 m³/h
Flow restrictor diff.pressure - dpb [bar]0.20 bar
FunctionFlow and temp. controller
Function VSP - PNo
Function VSP - QYes
Function VSP - TYes
Characteristic
Value
Kvs values [m³/h]6.30 m³/h
Leakage rate [% Kvs]0.02
Material DescriptionAVQT PN25 20/6,3 /0,2 thread flow/ret
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]150 °C
Media temperature [°C] [Min]2 °C
Medium alternativeGlycolic water up to 30%
Mounting versionFree
Number of ports2
PN alternative VSP16
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 25
Pressure controllerNo
Pressure nominal [bar]25 bar
Product TypeAVQT
Product groupPressure flow controllers
Product lineDistrict Energy Controls
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing DP materialEPDM
Setting TypeNone
Stem positionNormally open
Valve body materialRed bronze CuSn5ZnPb (Rg5)
Valve cone DP materialDezincing free brass CuZn36Pb2As
Valve seat materialStainless steel, mat. No. 1.4571
Valve sizeDN 20

General specifications

Characteristic
Value
Gross weight3.168 Kilogram
Net weight3.168 Kilogram
Characteristic
Value
EAN/UPC5702421542835
Proposition 65Cancer and Reproductive Harm