Danfoss logo
Self-acting flow controller with integrated control valve (AVQM PN25 flange)

AVQM, PN 25, DN 40, Flow rate [m³/h]: 0.8 - 12, Flange, DN 40, Mounting version: Free

003H6757

AVQM PN25 40/20 /0,2 flange flow/ret

Product specifications

Characteristic
Value
Actuator diaphragm materialEPDM
ApplicationDistrict Heating
Basic Data Text Template
Cavitation factor0.60
Cavitation factor 100%0.34
Cavitation factor 25%0.58
Cavitation factor 50%0.52
Cavitation factor 75%0.50
China RoHS complianceOut of scope
Connection sizeDN 40
Connection typesFlange
Contain batteriesNo
DescriptionAVQM PN25 40/20 /0,2 flange flow/ret
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]40 mm
Differential pressure range [bar] [Max]16.00 bar
EU RoHS complianceYes with exemptions
Flow controlYes
Flow limitationYes
Flow rate [m³/h]12.00 m³/h
Flow rate [m³/h] [Max]12.00 m³/h
Flow rate [m³/h] [Min]0.80 m³/h
Flow restrictor diff.pressure - dpb [bar]0.20 bar
FunctionFlow controller with int. control valve
Function VSP - PNo
Function VSP - QNo
Function VSP - TNo
Kvs values [m³/h]20.00 m³/h
Leakage rate [% Kvs]0.05
Characteristic
Value
Material DescriptionAVQM PN25 40/20 /0,2 flange 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
Permissible mediaDistrict heating/cooling circulation water
PN alternative VSP16
Pressure classPN 25
Pressure controllerNo
Pressure nominal [bar]25 bar
Pressure relieve system control valve insertPiston
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Product TypeAVQM
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing CV materialEPDM
Sealing DP materialEPDM
Setting TypeNone
Stem positionNormally open
Stroke [mm]10.00 mm
UK RoHS complianceOut of scope
Valve body materialDuctile iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone CV materialDezincing free brass CuZn36Pb2As
Valve cone DP materialDezincing free brass CuZn36Pb2As
Valve seat materialStainless steel, mat. No. 1.4571
Valve sizeDN 40

General specifications

Characteristic
Value
Gross weight11.75 Kilogram
Net weight10.841 Kilogram
Volume25.47 Liter
Characteristic
Value
EAN/UPC5702421542781
Proposition 65Cancer and Reproductive Harm