Polymeric Butterfly Valve
The polymeric butterfly valve, also known as a butterfly valve (Butterfly Valve), belongs to the polymer valve family. It is a widely used product across various industries, including irrigation, agriculture, and industrial systems. Thanks to its high quality, the Visspar polymeric butterfly valve offers flexibility in choosing the type of actuator, as well as the material of the disc, liner, and shaft, ensuring reliable performance and ease of selection.
The price of the polymeric butterfly valve is highly cost‑effective considering the superior quality of the product, making it an excellent choice for both industrial and agricultural applications.
Technical Specifications of Polymeric Wafer Butterfly Valve
The polymeric butterfly valve comes with a 5‑year warranty and is equipped with an EPDM rubber seal, which offers a longer service life compared to NR. It features a stainless steel shaft and a high‑strength metal handle, providing enhanced resistance in corrosive environments.
Recognized as a high‑quality product, each valve undergoes 100% testing and quality control before delivery, making the Visspar polymeric butterfly valve an ideal choice for a wide range of industrial applications.
Key Specifications
- Nominal pressure: 6 bar
- 5‑year warranty
- Low pressure drop
- Compatible with various actuators
- High resistance to chemicals and sunlight
- Replaceable components
Structure of Polymeric Ball Valve
| Material | Part Name | Part Code |
| ST37 Sheet | Handle | 1 |
| PVC | Graduated Plate | 2 |
| FE-ST37 | Shaft | 3 |
| Stainless Steel | Pin (Eyelet) | 4 |
| Polyacetal | Coupler | 5 |
| UPVC | Body | 6 |
| EPDM | Sealing Rubber | 7 |
| ABS | Disc | 8 |
Dimensional Specifications
| 8″ | 6″ | 5″ | 4″ | 3″ | 2 1/2″ | 2″ | Nominal Diameter (inch) |
| 320 | 320 | 320 | 250 | 250 | 250 | 250 | A |
| 432 | 372 | 346 | 296 | 260 | 250 | 224 | B |
| 325 | 270 | 245 | 215 | 178 | 170 | 146 | C |
| 64 | 63 | 58 | 50 | 44 | 44 | 42 | D |
| 300 | 243 | 218 | 192 | 155 | 145 | 123 | ØD1 |
| 200 | 150 | 125 | 100 | 80 | 65 | 54 | ØD2 |
| 140 | 140 | 140 | 100 | 100 | 100 | 100 | ØD3 |
| 84 | 84 | 76 | 67 | 56 | 56 | 56 | E |
| Product | Size (mm) | Quantity per Carton |
| Polymeric Butterfly Valve with Metal Handle | 2″ | 12 |
| Polymeric Butterfly Valve with Metal Handle | 3″ | 8 |
| Polymeric Butterfly Valve with Metal Handle | 4″ | 8 |
| Polymeric Butterfly Valve with Metal Handle | 5″ | 3 |
| Polymeric Butterfly Valve with Foldable Metal Handle | 6″ | 3 |
| Polymeric Butterfly Valve with Foldable Metal Handle | 8″ | 2 |
| Polymeric Butterfly Valve with Foldable Metal Handle | 10″ | 1 |