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Self-acting pressure reduction controller type AVD

AVD, PN 25, DN 20, 6.30 m³/h, 1.00 bar - 5.00 bar, External Thread, G 1 A, Mounting version: Flow

003H6645

AVD PN25 20/6,3 1-5 thread flow/return

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
DescriptionAVD PN25 20/6,3 1-5 thread flow/return
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]20 mm
Differential pressure range [bar] [Max]20.00 bar
EU RoHS complianceYes with exemptions
Flow controlNo
Flow limitationNo
FunctionPress. reduction controller
Function VSP - PYes
Function VSP - QNo
Function VSP - TNo
In scope of WEEE and contain batteriesNo
Kvs values [m³/h]6.30 m³/h
Leakage rate [% Kvs]0.02
Material DescriptionAVD PN25 20/6,3 1-5 thread flow/return
Media pH [Max]10
Characteristic
Value
Media pH [Min]7
Media temperature [°C] [Max]150 °C
Media temperature [°C] [Min]2 °C
Medium alternativeGlycolic water up to 30%
Mounting versionFlow
Number of ports2
Permissible mediaDistrict heating/cooling circulation water
PN alternative VSP16
Pressure classPN 25
Pressure controllerPressure reduction controller
Pressure nominal [bar]25 bar
Pressure setting range [bar] [Max]5.00 bar
Pressure setting range [bar] [Min]1.00 bar
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Product TypeAVD
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing DP materialEPDM
Select if the Shock valve should be with a Fixed pressure or AdjustablepressureAdjustable
Stem positionNormally open
UK RoHS complianceOut of scope
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 weight3.825 Kilogram
Net weight3.47 Kilogram
Volume9.623 Liter
Characteristic
Value
EAN5702421541654
Proposition 65Cancer and Reproductive Harm