
VFG 21, 50.00 m³/h, Flange
065B2508
VFG21 PN16 65/50 2-way flange flow/ret
VFG21 PN16 65/50 2-way flange flow/ret
Gross weight | 35.32 kg |
Net weight | 35.32 kg |
EAN | 5702421804254 |
Gross weight | 35.32 kg |
Net weight | 35.32 kg |
EAN | 5702421804254 |
Application | District Heating |
Cavitation factor | 0.5 |
Connection types | Flange |
Description | VFG21 PN16 65/50 2-way flange flow/ret |
Diameter [mm] | 65 mm |
Differential pressure range [bar] [Max] | 16 bar |
Flow characteristic | Linear optimized |
Function | Pressure relief |
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 nominal [bar] | 16 bar |
Product Group | Pressure flow controllers |
REACH Candidate List substances >0.1% | Lead |
Sealing material | EPDM |
Spindle position | Normally open |
Stroke [mm] | 12 mm |
Type | VFG 21 |
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 |
Application | District Heating |
Cavitation factor | 0.5 |
Connection types | Flange |
Description | VFG21 PN16 65/50 2-way flange flow/ret |
Diameter [mm] | 65 mm |
Differential pressure range [bar] [Max] | 16 bar |
Flow characteristic | Linear optimized |
Function | Pressure relief |
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 nominal [bar] | 16 bar |
Product Group | Pressure flow controllers |
REACH Candidate List substances >0.1% | Lead |
Sealing material | EPDM |
Spindle position | Normally open |
Stroke [mm] | 12 mm |
Type | VFG 21 |
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 |