VFQ 2, PN 25, DN 25, 8 m³/h, Flange
065B2669
VFQ2 PN25 25/8 2-way flange flow/return
Product specifications
Characteristic | Value |
|---|---|
| Application | District Heating |
| Cavitation factor | 0.60 |
| Cavitation factor 100% | 0.38 |
| Cavitation factor 25% | 0.64 |
| Cavitation factor 50% | 0.57 |
| Cavitation factor 75% | 0.55 |
| China RoHS compliance | Out of scope |
| Connection types | Flange |
| Contains batteries | No |
| DG Indicator Profile | Not relevant for dangerous goods |
| Description | VFQ2 PN25 25/8 2-way flange flow/return |
| Diameter [mm] | 25 mm |
| Differential pressure range [bar] [Max] | 20.00 bar |
| EU RoHS compliance | Out of scope |
| Flow characteristic | Linear optimized |
| Function | Pressure relief |
| Kvs values [m³/h] | 8.00 m³/h |
| Leakage through port max. [% Kvs] | 0.03 |
| Material Description | VFQ2 PN25 25/8 2-way flange flow/return |
Characteristic | Value |
|---|---|
| Media pH [Max] | 10 |
| Media pH [Min] | 7 |
| Media temperature [°C] [Max] | 200 °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 25 |
| Pressure nominal [bar] | 25 bar |
| Product Type | VFQ 2 |
| Product group | Pressure flow controllers |
| Product line | District Energy Controls |
| REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
| Spindle position | Normally open |
| Stroke [mm] | 6.00 mm |
| Valve body material | GGG 40.3 |
| Valve cone material | Stainless steel, mat. No. 1.4404 |
| Valve size | DN 25 |
General specifications
Characteristic | Value |
|---|---|
| Gross weight | 10.02 Kilogram |
| Net weight | 9.9 Kilogram |
| Volume | 11.628 Liter |
Characteristic | Value |
|---|---|
| EAN/UPC | 5702421809334 |
| Proposition 65 | Cancer and Reproductive Harm |