VAN DANFOSS VFG 21, PN 16, DN 200, 320 m³/h, Flange - C/N 065B2513
Product details
|
Gross weight |
226.5 Kilogram |
|
Net weight |
226.5 Kilogram |
|
Volume |
508.8 Liter |
|
EAN |
5702421804308 |
|
Type |
VFG 21 |
|
Product group |
Pressure flow controllers |
|
Application |
District Heating |
|
Cavitation factor |
0.2 |
|
Cavitation factor 100% |
0.15 |
|
Cavitation factor 25% |
0.33 |
|
Cavitation factor 50% |
0.27 |
|
Cavitation factor 75% |
0.2 |
|
China RoHS compliance |
Out of scope |
|
Connection types |
Flange |
|
Contains batteries |
No |
|
Description |
VFG21 PN16 200/320 2-way flange flow/ret |
|
Diameter [mm] |
200 mm |
|
Differential pressure range [bar] [Max] |
10 bar |
|
EU RoHS compliance |
Out of scope |
|
Flow characteristic |
Linear optimized |
|
Function |
Pressure relief |
|
Kvs values [m³/h] |
320 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 |
|
REACH Candidate List substances |
Lead (CAS no. 7439-92-1) |
|
Sealing material |
EPDM |
|
Spindle position |
Normally open |
|
Stroke [mm] |
24 mm |
|
Valve body material |
Grey cast iron EN-GJL-250 (GG-25) |
|
Valve cone material |
Stainless steel, mat. No. 1.4021 |
|
Valve seat material |
Stainless steel, mat. No. 1.4313 |
|
Valve size |
DN 200 |




