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Self-acting flow and temperature controller with integrated control valve type AVQMT

AVQMT, PN 25, DN 25, Flow rate [m³/h]: 0.2 - 4.5, External Thread, G 1 1/4 A, Mounting version: Free

003H6776

AVQMT PN25 25/8 /0,2 thread flow/ret

Product specifications

Characteristic
Value
Actuator diaphragm materialEPDM
ApplicationDistrict Heating
Cavitation factor0.60
Cavitation factor 100%0.38
Cavitation factor 25%0.64
Cavitation factor 50%0.57
Cavitation factor 75%0.55
China RoHS complianceOut of scope
Connection sizeG 1 1/4 A
Connection typesExternal Thread
Contains batteriesNo
DescriptionAVQMT PN25 25/8 /0,2 thread flow/ret
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]25 mm
Differential pressure range [bar] [Max]20.00 bar
EU RoHS complianceYes with exemptions
EU RoHS exemption clause6(c)
Flow controlYes
Flow limitationYes
Flow rate [m³/h]4.50 m³/h
Flow rate [m³/h] [Max]4.50 m³/h
Flow rate [m³/h] [Min]0.20 m³/h
Flow restrictor diff.pressure - dpb [bar]0.20 bar
FunctionFlow and temp. contr. with int. contr. valve
Function VSP - PNo
Function VSP - QNo
Function VSP - TNo
Kvs values [m³/h]8.00 m³/h
Characteristic
Value
Leakage rate [% Kvs]0.02
Material DescriptionAVQMT PN25 25/8 /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
Permissible mediaDistrict heating/cooling circulation water
PN alternative VSP16
Pressure classPN 25
Pressure controllerNo
Pressure nominal [bar]25 bar
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Product TypeAVQMT
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing CV materialMetal
Sealing DP materialEPDM
Setting TypeNone
Stem positionNormally open
Stroke [mm]7.00 mm
Valve body materialRed bronze CuSn5ZnPb (Rg5)
Valve cone CV materialDezincing free brass CuZn36Pb2As
Valve cone DP materialDezincing free brass CuZn36Pb2As
Valve seat materialStainless steel, mat. No. 1.4571
Valve sizeDN 25

General specifications

Characteristic
Value
Gross weight3.731 Kilogram
Net weight3.731 Kilogram
Volume9.24 Liter
Characteristic
Value
EAN/UPC5702421542972
Proposition 65Cancer and Reproductive Harm