VFM 2, PN 16, DN 250, 900.00 m³/h, Flange
065B3506
VFM 2 DN250 kvs 900 PN16 2-way flange
Product specifications
Characteristic | Value |
|---|---|
| Application | District heating and cooling |
| Application alternative VSP | Heating |
| Basic Data Text Template | Danfoss Durchgangsventil VFM2<br>druckentlastet, metallisch dichtend<br>einsetzbar mit den Stellantrieben<br>AME655(GA)/659SD/685 und AMV(E)85/86<br>Notstellfunktion mit AME659SD<br>typgeprüft nach DIN EN14597<br>VFM2 DN250, PN16, kvs 900m³/h,<br>Temperaturbereich 2(-10) …150°C,<br>Medien: Wasser, Wasser mit Glykol 50%<br>Stopfbuchsen Dichtung EPDM<br>Formschlüssige Verbindung (Push-Pull)<br>Ventilkennlinie SPLIT<br>(0-30% linear/30-100% logarithmisch)<br>Stellverhältnis >100:1<br>Leckrate (gem. IEC534) <0,03% des kvs<br>Einbaulage beliebig<br>Ventilgehäuse aus Grauguss (EN-GJL-250)<br>Ventilkegel aus Edelstahl<br>Ventilsitz aus Edelstahl<br>Anschluss Flansch nach DIN EN1092-2<br>max. Differenzdruck (Δp) 3,0 bar bei 2000N<br>max. Differenzdruck (Δp) 7,0 bar bei 5000N<br>max. Schließdruck (Δps) 10,0bar<br>Fabrikat: Danfoss<br>Typ: VFM2<br>Bestell-Nr.: 065B3506 |
| Cavitation factor | 0.30 |
| Cavitation factor 100% | 0.14 |
| Cavitation factor 25% | 0.24 |
| Cavitation factor 50% | 0.22 |
| Cavitation factor 75% | 0.21 |
| China RoHS compliance | Out of scope |
| Connection types | Flange |
| Contain batteries | No |
| Control ratio | 100:1 |
| DG Indicator Profile | Not relevant for dangerous goods |
| Description | VFM 2 DN250 kvs 900 PN16 2-way flange |
| Diameter [mm] | 250 mm |
| Differential pressure range [bar] [Max] | 5.00 bar |
| EU RoHS compliance | Out of scope |
| Flow characteristic | Logarithmic |
| Function | Pressure relief |
| Kvs values [m³/h] | 900.00 m³/h |
| Leakage through port max. [% Kvs] | 0.03 |
Characteristic | Value |
|---|---|
| Material Description | VFM 2 DN250 kvs 900 PN16 2-way flange |
| Media pH [Max] | 10 |
| Media pH [Min] | 7 |
| Media temperature [°C] [Max] | 150 °C |
| Media temperature [°C] [Min] | -10 °C |
| Medium alternative | Glycolic water up to 50% |
| Mounting version | Flow |
| Number of ports | 2 |
| PN alternative VSP | 10 |
| Permissible media | District heating/cooling circulation water |
| Pressure class | PN 16 |
| Pressure nominal [bar] | 16 bar |
| Product Type | VFM 2 |
| Product group | Motorized control valves |
| Product line | District Energy Controls |
| REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
| Spindle position | Normally open |
| Stroke [mm] | 50.00 mm |
| Valve body material | Grey cast iron EN-GJL-250 (GG-25) |
| Valve cone material | Stainless steel |
| Valve size | DN 250 |
General specifications
Characteristic | Value |
|---|---|
| Gross weight | 369.6 Kilogram |
| Net weight | 369.6 Kilogram |
Characteristic | Value |
|---|---|
| EAN/UPC | 5710104027876 |
| Proposition 65 | Cancer and Reproductive Harm |