
How it works
Manual quarter-turn gearbox
Butterfly disc
The number that matters
Max. medium temperature
180°C
The highest medium temperature this valve is rated for.
Construction
Parts and materials
Applications
Media and industries
- Water
- Steam
- Neutral Media
- Food Industry
Butterfly valves are designed for use as shut-off or regulating valves for controlling flows in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries. Operating principle: The valves are opened and closed by turning the disk by 90°. Opening is done by turning the handle counterclockwise, closing - clockwise.
Technical parameters of DNOVA WBV3131S-2W-W-H, body material - stainless steel AISI 304, seal - Silicon, welded, with handle:
| Characteristic | Meaning |
| Gate type | rotary disk |
| Diameter | 15-100 mm |
| Nominal pressure | 10 bar |
| Working medium temperature | -50 to +180°C |
| Application | Food industry |
| Connection type | welded |
| Control type | Manual (handle, gearbox) |
| Sealing class | A |
| Manufacturer's country | China |
| Warranty | 12 months. |

Butterfly valves WBV3131S-2W-W-H, body material - stainless steel AISI 304, seal - Silicon, welded, with handle
Dimensions and dimensions of DNOVA WBV3131S-2W-W-H, body material - stainless steel AISI 304, seal - Silicon, welded, with handle:
| № | Part Name | Material |
|---|---|---|
| 1 | Body | Stainless steel AISI 304 |
| 2 | Rotary unit | Stainless steel AISI 304 |
| 3 | Disc | Stainless steel AISI 304 |
| 4 | Seat seal | EPDM or Silicon |
| 5 | Nut | Steel A2~70 |
| 6 | Bolt | Steel A2~70 |
| 7 | Plug | ABS plastic |
| 8 | Handle | Polyamide plastic |

Sketch Butterfly valves WBV3131S-2W-W-H, body material - stainless steel AISI 304, seal - Silicon, welded, with handle
Materials of parts DNOVA WBV3131S-2W-W-H, body material - stainless steel AISI 304, seal - Silicon, welded, with handle:
| № | Part Name | Material |
|---|---|---|
| 1 | Body | Stainless steel AISI 304 |
| 2 | Rotary unit | Stainless steel AISI 304 |
| 3 | Disc | Stainless steel AISI 304 |
| 4 | Seat seal | EPDM or Silicon |
| 5 | Nut | Steel A2~70 |
| 6 | Bolt | Steel A2~70 |
| 7 | Plug | ABS plastic |
| 8 | Handle | Polyamide plastic |

Sketch of parts and materials Butterfly valves WBV3131S-2W-W-H, body material - stainless steel AISI 304, seal - Silicon, welded, with handle
- Body material
- Stainless steel AISI 304
- Maximum allowable temperature
- 180 °C
- Connection type
- For welding
- Control type
- Manual (handle, gearbox)
- Operating environment
- Water, Steam, and Neutral Media
- Applications
- Food Industry
- Type of seal
- Silicone
- Disc material
- Stainless steel AISI 304
- Limit switches
- No
- Country of origin
- China
Production. Usually 7–14 business days after you approve the quotation and pay. Made-to-specification items are confirmed in the quotation.
Freight. Not charged at checkout. A manager quotes air and sea freight to your port or airport, and nothing ships until you approve the price and the freight.
To North America. From approval and payment to the destination port or airport: air 14–24 days, sea 32–60 days. Estimates, not guarantees.
Terms. EXW Ningbo or FOB Ningbo Port; CIF on request. The agreed term is written on the Proforma Invoice.
Total items
Product subtotal