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2-way pressure balanced valve type VB 2

VB 2, PN 25, DN 20, 6.30 m³/h, Flange

065B2057

VB 2 PN25 20/6,3 2-way seated flange

Product specifications

Characteristic
Value
ApplicationDistrict Heating
Application alternative VSPHeating
Cavitation factor0.50
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
Control ratio50:1
DescriptionVB 2 PN25 20/6,3 2-way seated flange
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]20 mm
Differential pressure range [bar] [Max]16.00 bar
EU RoHS complianceYes with exemptions
Flow characteristicSplit
FunctionPressure relief
In scope of WEEE and contain batteriesNo
Kvs values [m³/h]6.30 m³/h
Leakage through port max. [% Kvs]0.05
Material DescriptionVB 2 PN25 20/6,3 2-way seated flange
Media pH [Max]10
Media pH [Min]7
Characteristic
Value
Media temperature [°C] [Max]150 °C
Media temperature [°C] [Min]2 °C
Medium alternativeGlycolic water up to 30%
Number of ports2
Permissible mediaDistrict heating/cooling circulation water
PN alternative VSP16
Pressure classPN 25
Pressure nominal [bar]25 bar
Product groupMotorized control valves
Product lineDistrict Energy Controls
Product TypeVB 2
REACH Candidate List substancesLead (CAS no. 7439-92-1)
SCIP dossier no.c1bed416-811c-4b17-aef7-acc189e27b8f
SCIP dossier product nameVB 2 PN25 x/x 2-way seated flange
Spindle positionNormally open
Stroke [mm]5.00 mm
Stuffing box sealing materialEPDM
UK RoHS complianceOut of scope
Valve body materialDuctile cast iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone materialStainless steel
Valve seat materialStainless steel
Valve sizeDN 20
Valve stem materialStainless steel

General specifications

Characteristic
Value
Gross weight4.558 Kilogram
Net weight4.558 Kilogram
Volume4.786 Liter
Characteristic
Value
EAN5702421508466
Proposition 65Cancer and Reproductive Harm