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065B2514
065B2514 DANFOSS HEATING VFG21 PN16 250/400 2-way flange flow/ret
$0.00USD
3227 in stock
Key Specifications
EAN ():5702421804315
Type ():VFG 21
Volume ():244.688 Liter
Function ():Pressure relief
Supplier Information
DANFOSS HEATING
Products: 5013
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Technical Specifications
| Parameter | Value |
|---|---|
| EAN () | 5702421804315 |
| Type () | VFG 21 |
| Volume () | 244.688 Liter |
| Function () | Pressure relief |
| Net weight () | 340.5 Kilogram |
| Valve size () | DN 250 |
| Application () | District Heating |
| Description () | VFG21 PN16 250/400 2-way flange flow/ret |
| Stroke [mm] () | 24 mm |
| Gross weight () | 340.5 Kilogram |
| Diameter [mm] () | 250 mm |
| Product group () | Pressure flow controllers |
| Media pH [Max] () | 10 |
| Media pH [Min] () | 7 |
| Pressure class () | PN 16 |
| Number of ports () | 2 |
| Connection types () | Flange |
| Mounting version () | Free |
| Sealing material () | EPDM |
| Spindle position () | Normally open |
| Cavitation factor () | 0.2 |
| Permissible media () | District heating/cooling circulation water |
| EU RoHS compliance () | Out of scope |
| Kvs values [m³/h] () | 400 m³/h |
| Medium alternative () | Glycolic water up to 30% |
| UK RoHS compliance () | Out of scope |
| Flow characteristic () | Linear optimized |
| Valve body material () | Grey cast iron EN-GJL-250 (GG-25) |
| Valve cone material () | Stainless steel, mat. No. 1.4021 |
| Valve seat material () | Stainless steel, mat. No. 1.4313 |
| Cavitation factor 25% () | 0.31 |
| Cavitation factor 50% () | 0.25 |
| Cavitation factor 75% () | 0.2 |
| China RoHS compliance () | Out of scope |
| Cavitation factor 100% () | 0.15 |
| Pressure nominal [bar] () | 16 bar |
| Media temperature [°C] [Max] () | 150 °C |
| Media temperature [°C] [Min] () | 2 °C |
| Leakage through port max. [% Kvs] () | 0.01 |
| In scope of WEEE and contain batteries () | No |
| Differential pressure range [bar] [Max] () | 10 bar |
Product Description
VFG 21, PN 16, DN 250, 400.00 m³/h, Flange
Key Features
- Industrial grade quality
- RoHS compliant
- CE certified
- 1-year warranty
Technical Details
VFG21 PN16 250/400 2-way flange flow/ret
Product Documents
Datasheet
Technical specifications and performance data
User Manual
Installation and operation guide
