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

065B7440

VFY-WG PN16 DN50 SS/EPDM

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Product details

Gross weight 3.6 Kilogram
Net weight 3.596 Kilogram
Volume 7.056 Liter
EAN 5710104062587

 

Ambient temperature [°C] [max] 120 °C
Ambient temperature [°C] [min] -10 °C
Application Heating and cooling
Approval CE
Approval standard PED 97/23/CE, EN 12266-1, Rate A
Body material Cast iron EN GJL 250 (DIN GG25)
CE evaluated Yes
China RoHS compliance Out of scope
Connection types Wafer
Description VFY-WG PN16 DN50 SS/EPDM
Diameter [mm] 50 mm
Diameter [mm] [Max] 50 mm
Differential pressure range [bar] [Max] 16 bar
EU RoHS compliance Out of scope
Flanges material Cast iron EN GJL 250 (DIN GG25)
Function On/off
Gear flange type F05
In scope of WEEE and contain batteries No
Kvs values [m³/h] 79 m³/h
Leakage rate [% Kvs] Leakage rate A
Length [mm] 43 mm
Media pH [Max] 10
Media pH [Min] 7
Media temperature [°C] [Max] 130 °C
Media temperature [°C] [Min] -10 °C
Medium alternative Glycolic water up to 50%
Medium alternative 2 Circulation water
Mounting orientation except cap down
Number of ports 2
Operating torque [Nm] 10 N-m
Operation type Worm Gear
Permissible media District heating/cooling circulation water
Pressure class PN 16
Pressure nominal [bar] 16 bar
Product group Butterfly valves
Rotation angle [°] 90 °
Stem sealing material Nitrile/Viton/Zinc coated S. + PTFE
Storage temperature [°C] [Min] -10 °C
Type VFY-WG
UK RoHS compliance Out of scope
Valve body material Cast iron EN GJL 250 (DIN GG25)
Valve disc material Stainless Steel
Valve liner material EPDM
Valve size DN 50
Valve stem material Stainless steel AISI 420
Valve type Concentric Design

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