Butterfly valves, VFY-WG, PN 16, DN 50, Worm Gear, Wafer
065B7440
VFY-WG PN16 DN50 SS/EPDM
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 |
| China RoHS compliance | Out of scope |
| Connection types | Wafer |
| Description | VFY-WG PN16 DN50 SS/EPDM |
| DG Indicator Profile | Not relevant for dangerous goods |
| Diameter [mm] | 50 mm |
| Diameter [mm] [Max] | 50 mm |
| Differential pressure range [bar] [Max] | 16.00 bar |
| EU RoHS compliance | Out of scope |
| Flanges material | Cast iron EN GJL 250 (DIN GG25) |
| Function | On/off |
| Gear flange type | F05 |
| In scope of WEEE and contain batteries | No |
| Kvs values [m³/h] | 79.00 m³/h |
| Leakage rate [% Kvs] | Leakage rate A |
| Length [mm] | 43 mm |
| Material Description | VFY-WG PN16 DN50 SS/EPDM |
| Media pH [Max] | 10 |
| Media pH [Min] | 7 |
Characteristic | Value |
|---|---|
| Media temperature [°C] [Max] | 130 °C |
| Media temperature [°C] [Min] | -10 °C |
| 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 group | Butterfly valves |
| Product line | District Energy Controls |
| Product Type | VFY-WG |
| Rotation angle [°] | 90 ° |
| Stem sealing material | Nitrile/Viton/Zinc coated S. + PTFE |
| Storage temperature [°C] [Min] | -10 °C |
| UK RoHS compliance | Out of scope |
| Valve body material | Cast iron EN GJL 250 (DIN GG25) |
| Valve disc material | Stainless Steel |
| 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 | 3.6 Kilogram |
| Net weight | 3.596 Kilogram |
Characteristic | Value |
|---|---|
| Volume | 7.056 Liter |
| EAN | 5710104062587 |