
VFQ 22, PN 16, 800 m³/h
065B5576
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 | VFQ 22 PN16 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] | 16 bar |
| Permissible media | District heating/cooling circulation water |
| Pressure class | PN 16 |
| Pressure nominal [bar] | 16 bar |
| Pressure relieve system | Chamber |
| Product group | Pressure flow controllers |
| Product line | District Energy Controls |
| Product Type | VFQ 22 |
| REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
| Sealing DP material | Metal |
| Valve body material | Grey cast iron EN-GJL-250 (GG-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 250 |
General specifications
Characteristic | Value |
|---|---|
| Gross weight | 398 Kilogram |
| Net weight | 372 Kilogram |
| Volume | 795.84 Liter |
Characteristic | Value |
|---|---|
| EAN/UPC | 5715162296455 |
| Proposition 65 | Cancer and Reproductive Harm |