VFG 21, PN 16, DN 125, 160.00 m³/h, Flange

065B2511

VFG21 PN16 125/160 2-way flange flow/ret

Product details

Gross weight 79.65 Kilogram
Net weight 72.5 Kilogram
Volume 199.2 Liter
EAN 5702421804285

 

Application District Heating
Cavitation factor 0.35
Cavitation factor 100% 0.28
Cavitation factor 25% 0.5
Cavitation factor 50% 0.42
Cavitation factor 75% 0.35
China RoHS compliance Out of scope
Connection types Flange
Description VFG21 PN16 125/160 2-way flange flow/ret
Diameter [mm] 125 mm
Differential pressure range [bar] [Max] 15 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] 160 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 0.1 No
Sealing material EPDM
Spindle position Normally open
Stroke [mm] 20 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 125

Accessories

Spare Parts

Replacement

Replacement

Replacement

Services

Software

Software and firmware to extend functionality