
VFQ 221, PN 40, DN 200, 650 m³/h, Flange
065B5619
Pressure operated valves
Product specifications
Characteristic | Value |
---|---|
Application | District heating and cooling |
Cavitation factor | 0.35 |
Cavitation factor 100% | 0.32 |
Cavitation factor 25% | 0.59 |
Cavitation factor 50% | 0.50 |
Cavitation factor 75% | 0.38 |
Connection types | Flange |
Contains batteries | No |
DG Indicator Profile | Not relevant for dangerous goods |
Description | Pressure operated valves |
Diameter [mm] | 200 mm |
Differential pressure range [bar] [Max] | 10.00 bar |
Kvs values [m³/h] | 650.00 m³/h |
Leakage rate [% Kvs] | 0.05 |
Leakage through port max. [% Kvs] | 0.05 |
Material Description | VFQ221 PN40 200/650 2-way flange flow/re |
Media pH [Max] | 10 |
Media pH [Min] | 7 |
Media temperature [°C] [Max] | 150 °C |
Characteristic | Value |
---|---|
Media temperature [°C] [Min] | 2 °C |
Medium alternative | Glycolic water up to 30% |
Mounting version | Free |
Number of ports | 2 |
Operating pressure [bar] [Max] | 40 bar |
Permissible media | District heating/cooling circulation water |
Pressure class | PN 40 |
Pressure nominal [bar] | 40 bar |
Pressure relieve system | Chamber |
Product Type | VFQ 221 |
Product group | Pressure flow controllers |
Product line | District Energy Controls |
Sealing DP material | EPDM |
Valve body material | Cast steel GP240GH (GS-C 25) |
Valve cone DP material | Stainless steel mat. No. 1.4021 |
Valve cone material | Stainless steel, mat. No. 1.4021 |
Valve seat DP material | Stainless steel, mat. No. 1.4021 |
Valve seat material | Stainless steel, mat. No. 1.4021 |
Valve size | DN 200 |
General specifications
Characteristic | Value |
---|---|
Gross weight | 300 Kilogram |
Net weight | 275 Kilogram |
Characteristic | Value |
---|---|
Volume | 637.44 Liter |
EAN/UPC | 5715162398807 |