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Self-acting differential pressure and flow controller type AVPQ 4

AVPQ 4, PN 25, DN 50, Flow rate [m³/h]: 0.80 - 15.00, 0.20 bar - 1.00 bar, Flange, Mounting version: Flow

003H6571

AVPQ 4 PN25 50/25 0,2-1,0/0,2 fla flow

Product specifications

Characteristic
Value
Actuator diaphragm materialEPDM
ApplicationDistrict Heating
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 typesFlange
DescriptionAVPQ 4 PN25 50/25 0,2-1,0/0,2 fla flow
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]50 mm
Differential pressure range [bar] [Max]16.00 bar
Differential pressure setting [bar] [Max]1.00 bar
Differential pressure setting [bar] [Min]0.20 bar
EU RoHS complianceOut of scope
Flow controlYes
Flow limitationNo
Flow rate [m³/h]12.00 m³/h
Flow rate [m³/h] [Max]15.00 m³/h
Flow rate [m³/h] [Min]0.80 m³/h
Flow restrictor diff.pressure - dpb [bar]0.20 bar
FunctionDiff. press. and flow controller
Function VSP - PYes
Function VSP - QYes
Function VSP - TNo
In scope of WEEE and contain batteriesNo
Kvs values [m³/h]25.00 m³/h
Characteristic
Value
Leakage rate [% Kvs]0.05
Material DescriptionAVPQ 4 PN25 50/25 0,2-1,0/0,2 fla flow
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 versionFlow
Number of ports2
Permissible mediaDistrict heating/cooling circulation water
PN alternative VSP16
Pressure classPN 25
Pressure controllerDifferential pressure controller
Pressure nominal [bar]25 bar
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Product TypeAVPQ 4
REACH Candidate List substancesLead (CAS no. 7439-92-1)
SCIP dossier no.aa4135ff-a145-4b96-9e75-a8808037098f
SCIP dossier product nameAVPQ 4 PN25 DN32-50 FLANGE
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 materialDuctile iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone DP materialDezincing free brass CuZn36Pb2As
Valve seat materialStainless steel, mat. No. 1.4571
Valve sizeDN 50

General specifications

Characteristic
Value
Gross weight16.5 Kilogram
Net weight16.5 Kilogram
Volume27.048 Liter
Characteristic
Value
EAN5702421540879
Proposition 65Cancer and Reproductive Harm