Butterfly valves, VFY-LG, PN 16, DN 50, Worm Gear, Lug
065B7451
VFY-LG 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: 065B8430
Product specifications
Characteristic | Value |
|---|---|
| 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 | Lug |
| Description | VFY-LG PN16 DN50 CI/PA/EPDM |
| DG Indicator Profile | Not relevant for dangerous goods |
| Diameter [mm] | 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-LG PN16 DN50 CI/PA/EPDM |
| Media pH [Max] | 10 |
| Media pH [Min] | 7 |
| Media temperature [°C] [Max] | 120 °C |
Characteristic | Value |
|---|---|
| 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-LG |
| 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 | 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 | 3.9 Kilogram |
| Net weight | 3.9 Kilogram |
Characteristic | Value |
|---|---|
| EAN | 5710104062785 |