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2-way pressure balanced valve type VB 2

VB 2, PN 25, DN 50, 40 m³/h, Flange

065B2061

VB 2 PN25 50/40 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 complianceYes with exemptions
China RoHS exemption clause7.3
Connection typesFlange
Contains batteriesNo
Control ratio50:1
DescriptionVB 2 PN25 50/40 2-way seated flange
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]50 mm
Differential pressure range [bar] [Max]16.00 bar
EU RoHS complianceYes with exemptions
EU RoHS exemption clause6(c)
Flow characteristicSplit
FunctionPressure relief
Kvs values [m³/h]40.00 m³/h
Leakage through port max. [% Kvs]0.05
Material DescriptionVB 2 PN25 50/40 2-way seated flange
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%
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.7f8e6eef-0e3e-41f5-a6f7-2814756d779f
SCIP dossier product nameVB 2 DN32-50
Spindle positionNormally open
Stroke [mm]10.00 mm
Stuffing box sealing materialEPDM
Valve body materialDuctile cast iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone materialStainless steel
Valve seat materialStainless steel
Valve sizeDN 50
Valve stem materialStainless steel

General specifications

Characteristic
Value
Gross weight11.93 Kilogram
Net weight11.88 Kilogram
Volume22.23 Liter
Characteristic
Value
EAN/UPC5702421508534
Proposition 65Cancer and Reproductive Harm