VFG 21, PN 16, DN 65, 50.00 m³/h, Flange

065B2508

VFG21 PN16 65/50 2-way flange flow/ret

Product details

Gross weight 35.32 Kilogram
Net weight 35.32 Kilogram
Volume 90.442 Liter
EAN 5702421804254

 

Application District Heating
Cavitation factor 0.5
Cavitation factor 100% 0.42
Cavitation factor 25% 0.71
Cavitation factor 50% 0.58
Cavitation factor 75% 0.5
China RoHS compliance Out of scope
Connection types Flange
Description VFG21 PN16 65/50 2-way flange flow/ret
Diameter [mm] 65 mm
Differential pressure range [bar] [Max] 16 bar
EU RoHS compliance Out of scope
Flow characteristic Linear optimized
Function Pressure relief
In scope of WEEE and contain batteries No
Kvs values [m³/h] 50 m³/h
Leakage through port max. [% Kvs] 0.01
Media pH [Max] 10
Media pH [Min] 7
Media temperature [°C] [Max] 150 °C
Media temperature [°C] [Min] 2 °C
Medium alternative Glycolic water up to 30%
Mounting version Free
Number of ports 2
Permissible media District heating/cooling circulation water
Pressure class PN 16
Pressure nominal [bar] 16 bar
Product group Pressure flow controllers
REACH Candidate List substances No
Sealing material EPDM
Spindle position Normally open
Stroke [mm] 12 mm
Type VFG 21
UK RoHS compliance Out of scope
Valve body material Grey cast iron EN-GJL-250 (GG-25)
Valve cone material Stainless steel, mat. No. 1.4404
Valve seat material Stainless steel, mat. No. 1.4021
Valve size DN 65

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