Butterfly valves, VFY-WG, PN 16, DN 50, Worm Gear, Wafer
065B7430
VFY-WG PN16 DN50 CI/PA/EPDM
This product has been discontinued.
The product is no longer available for purchase, but you can still find information about it, including service manuals, drawing etc.
If you're looking for a similar product, you can check out other options within the same product type by visiting the product type page.: VFY-LG / VFY-WG
Recommended replacement: 065B8420
Product specifications
Characteristic | Value |
|---|---|
| Ambient temperature [°C] [max] | 120 °C |
| Ambient temperature [°C] [min] | -10 °C |
| Application | Heating and cooling |
| Approval | CE |
| Approval standard | PED 97/23/CE, EN 12266-1, Rate A |
| Body material | Cast iron EN GJL 250 (DIN GG25) |
| CE evaluated | Yes |
| Connection types | Wafer |
| DG Indicator Profile | Not relevant for dangerous goods |
| Description | VFY-WG PN16 DN50 CI/PA/EPDM |
| Diameter [mm] | 50 mm |
| Differential pressure range [bar] [Max] | 16.00 bar |
| Flanges material | Cast iron EN GJL 250 (DIN GG25) |
| Function | On/off |
| Gear flange type | F05 |
| Kvs values [m³/h] | 79.00 m³/h |
| Leakage rate [% Kvs] | Leakage rate A |
| Length [mm] | 43 mm |
| Material Description | VFY-WG PN16 DN50 CI/PA/EPDM |
| Media pH [Max] | 10 |
| Media pH [Min] | 7 |
| Media temperature [°C] [Max] | 120 °C |
| Media temperature [°C] [Min] | -10 °C |
Characteristic | Value |
|---|---|
| Medium alternative | Glycolic water up to 50% |
| Medium alternative 2 | Circulation water |
| Mounting orientation | except cap down |
| Number of ports | 2 |
| Operating torque [Nm] | 10 N-m |
| Operation type | Worm Gear |
| Permissible media | District heating/cooling circulation water |
| Pressure class | PN 16 |
| Pressure nominal [bar] | 16 bar |
| Product Type | VFY-WG |
| Product group | Butterfly valves |
| Product line | District Energy Controls |
| REACH Candidate List substances | No |
| Rotation angle [°] | 90 ° |
| Stem sealing material | Nitrile/Viton/Zinc coated S. + PTFE |
| Storage temperature [°C] [Min] | -10 °C |
| Valve body material | Cast iron EN GJL 250 (DIN GG25) |
| Valve disc material | Ductile iron EN GJS 400-15 (DIN GGG 40) with Polyamid coating |
| Valve liner material | EPDM |
| Valve size | DN 50 |
| Valve stem material | Stainless steel AISI 420 |
| Valve type | Concentric Design |
General specifications
Characteristic | Value |
|---|---|
| Gross weight | 3.587 Kilogram |
| Net weight | 3.587 Kilogram |
Characteristic | Value |
|---|---|
| EAN/UPC | 5710104062464 |
| Proposition 65 | No Reproductive Toxins or Carcinogens |