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Butterfly valve VFY-WG

Butterfly valves, VFY-WG, PN 16, DN 50, Worm Gear, Wafer

065B7440

VFY-WG PN16 DN50 SS/EPDM

Product specifications

Characteristic
Value
Ambient temperature [°C] [max]120 °C
Ambient temperature [°C] [min]-10 °C
ApplicationHeating and cooling
ApprovalCE
Approval standardPED 97/23/CE, EN 12266-1, Rate A
Body materialCast iron EN GJL 250 (DIN GG25)
CE evaluatedYes
China RoHS complianceOut of scope
Connection typesWafer
DescriptionVFY-WG PN16 DN50 SS/EPDM
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]50 mm
Diameter [mm] [Max]50 mm
Differential pressure range [bar] [Max]16.00 bar
EU RoHS complianceOut of scope
Flanges materialCast iron EN GJL 250 (DIN GG25)
FunctionOn/off
Gear flange typeF05
In scope of WEEE and contain batteriesNo
Kvs values [m³/h]79.00 m³/h
Leakage rate [% Kvs]Leakage rate A
Length [mm]43 mm
Material DescriptionVFY-WG PN16 DN50 SS/EPDM
Media pH [Max]10
Media pH [Min]7
Characteristic
Value
Media temperature [°C] [Max]130 °C
Media temperature [°C] [Min]-10 °C
Medium alternativeGlycolic water up to 50%
Medium alternative 2Circulation water
Mounting orientationexcept cap down
Number of ports2
Operating torque [Nm]10 N-m
Operation typeWorm Gear
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 16
Pressure nominal [bar]16 bar
Product groupButterfly valves
Product lineDistrict Energy Controls
Product TypeVFY-WG
Rotation angle [°]90 °
Stem sealing materialNitrile/Viton/Zinc coated S. + PTFE
Storage temperature [°C] [Min]-10 °C
UK RoHS complianceOut of scope
Valve body materialCast iron EN GJL 250 (DIN GG25)
Valve disc materialStainless Steel
Valve liner materialEPDM
Valve sizeDN 50
Valve stem materialStainless steel AISI 420
Valve typeConcentric Design

General specifications

Characteristic
Value
Gross weight3.6 Kilogram
Net weight3.596 Kilogram
Characteristic
Value
Volume7.056 Liter
EAN5710104062587