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Butterfly valve VFY-WG

Butterfly valves, VFY-WG, PN 16, DN 125, Worm Gear, Wafer

065B7434

VFY-WG PN16 DN125 CI/PA/EPDM

Recommended replacement: 065B8424

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
Connection typesWafer
DescriptionVFY-WG PN16 DN125 CI/PA/EPDM
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]125 mm
Differential pressure range [bar] [Max]16.00 bar
Flanges materialCast iron EN GJL 250 (DIN GG25)
FunctionOn/off
Gear flange typeF07
Kvs values [m³/h]883.00 m³/h
Leakage rate [% Kvs]Leakage rate A
Length [mm]56 mm
Material DescriptionVFY-WG PN16 DN125 CI/PA/EPDM
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]120 °C
Characteristic
Value
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]83 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
Valve body materialCast iron EN GJL 250 (DIN GG25)
Valve disc materialDuctile iron EN GJS 400-15 (DIN GGG 40) with Polyamid coating
Valve liner materialEPDM
Valve sizeDN 125
Valve stem materialStainless steel AISI 420
Valve typeConcentric Design

General specifications

Characteristic
Value
Gross weight7.6 Kilogram
Net weight7.6 Kilogram
Characteristic
Value
Volume9.12 Liter
EAN5710104062549