Danfoss AVPQ, PN 25, DN 25
003H6535

Danfoss 003H6535 - AVPQ, PN 25, DN 25

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Product details

TypeAVPQ
Product groupPressure flow controllers
Actuator diaphragm materialEPDM
ApplicationDistrict Heating
Cavitation factor0.6
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
DescriptionAVPQ PN25 25/8 0,2-1,0/0,2 thread ret
Diameter [mm]25 mm
Differential pressure range [bar] [Max]20 bar
Differential pressure setting [bar] [Max]1 bar
Differential pressure setting [bar] [Min]0.2 bar
EU RoHS complianceYes with exemptions
EU RoHS exemption clause6(c)
Flow controlYes
Flow limitationNo
Flow rate [m³/h]3.5 m³/h
Flow rate [m³/h] [Max]4.5 m³/h
Flow rate [m³/h] [Min]0.2 m³/h
Flow restrictor diff.pressure - dpb [bar]0.2 bar
FunctionDiff. press. and flow controller
Function VSP - PYes
Function VSP - QYes
Function VSP - TNo
Kvs values [m³/h]8 m³/h
Leakage rate [% Kvs]0.02
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 versionReturn
Number of ports2
Permissible mediaDistrict heating/cooling circulation water
PN alternative VSP0
Pressure classPN 25
Pressure controllerDifferential pressure controller
Pressure nominal [bar]25 bar
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing DP materialEPDM
Setting TypeAdjustable
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 25

Technical data

Product typePressure flow controllers
Net weight3.504 kg
Gross weight3.504 kg
Packed volume9.6 L
EAN5702421540541

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