Butterfly valves, VFY-WG, Worm Gear, Wafer

065B7449

VFY-WG PN16 DN350 DI/SS/EPDM

Product details

Gross weight 42.9 Kg
Net weight 42.1 Kg
Volume 140.64 Liter
EAN 5710104062761

 

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 Ductile iron (DIN GGG40)
China RoHS compliance Out of scope
Connection types Wafer
Description VFY-WG PN16 DN350 DI/SS/EPDM
Diameter [mm] 350 mm
Diameter [mm] [Max] 350 mm
Differential pressure range [bar] [Max] 16 bar
EU RoHS compliance Out of scope
Flanges material Ductile iron (DIN GGG40)
Function On/off
Gear flange type F12
In scope of WEEE and contain batteries No
Kvs values [m³/h] 8520 m³/h
Leakage rate [% Kvs] Leakage rate A
Length [mm] 78 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] 500 N-m
Operation type Worm Gear
Permissible media District heating/cooling circulation water
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 Ductile iron (DIN GGG40)
Valve disc material Stainless Steel
Valve liner material EPDM
Valve stem material Stainless steel AISI 420
Valve type Concentric Design

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