VFQ 221, PN 25, DN 250, 800.00 m³/h, Flange
065B5613
Product specifications
Characteristic | Value |
---|---|
Application | District heating and cooling |
Cavitation factor | 0.30 |
Cavitation factor 100% | 0.28 |
Cavitation factor 25% | 0.67 |
Cavitation factor 50% | 0.37 |
Cavitation factor 75% | 0.32 |
Connection types | Flange |
DG Indicator Profile | Not relevant for dangerous goods |
Diameter [mm] | 250 mm |
Differential pressure range [bar] [Max] | 10.00 bar |
Kvs values [m³/h] | 800.00 m³/h |
Leakage rate [% Kvs] | 0.05 |
Leakage through port max. [% Kvs] | 0.05 |
Material Description | VFQ221 PN25 250/800 2-way flange flow/re |
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% |
Characteristic | Value |
---|---|
Mounting version | Free |
Number of ports | 2 |
Operating pressure [bar] [Max] | 25 bar |
Permissible media | District heating/cooling circulation water |
Pressure class | PN 25 |
Pressure nominal [bar] | 25 bar |
Pressure relieve system | Chamber |
Product group | Pressure flow controllers |
Product line | District Energy Controls |
Product Type | VFQ 221 |
REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
Sealing DP material | EPDM |
Valve body material | Ductile cast iron EN-GJS-400-18-LT (GGG 40.3) |
Valve cone DP material | Stainless steel mat. No. 1.4021 |
Valve cone material | Stainless steel M. No. 1.4021 |
Valve seat DP material | Stainless steel, mat. No. 1.4021 |
Valve seat material | Stainless steel M. No. 1.4021 |
Valve size | DN 250 |
General specifications
Characteristic | Value |
---|---|
Gross weight | 431 Kilogram |
Net weight | 406 Kilogram |
Volume | 795.8 Liter |
Characteristic | Value |
---|---|
EAN | 5715162398746 |
Proposition 65 | Cancer and Reproductive Harm |