The PTFE Seat Flange Butterfly Valve is engineered for reliable and efficient flow control in a wide range of engineering projects and water systems. Featuring a corrosion-resistant PTFE (Teflon) seat and a durable flanged connection, this valve is ideal for handling aggressive media, chemicals, or clean water with long-lasting sealing performance. The compact design ensures easy installation and minimal maintenance, making it a preferred choice in both industrial and municipal applications.
As one of China’s leading valve manufacturers, we are committed to providing high-quality solutions that meet international standards. Our PTFE seat flange butterfly valves are manufactured with precision and strict quality control, ensuring excellent performance, safety, and service life in demanding environments.
Standard of implementation
| Category | Details |
|---|---|
| Type | Flange |
| Face to Face | API609, BS5155, DIN3202, ISO5752 |
| Flange | DIN, BS, UNI, ISO, ANSI, AS, JIS |
| Mounting Flange | ISO5211 |
| Working Pressure | PN16 (200PSI) |
| Application | HVAC, Water Supply & Sewage, Food & Beverage, Chemical/Petrochemical/Processing, Power and Utilities, Paper and Pulp, Ship Building |
Standard Materials Of Main Parts
| ITEM | PART NAME | MATERIAL |
|---|---|---|
| 1 | Body | CI/DI/CS/SS |
| 2 | Seat | EPDM/PTFENITON/NBR/Hypalon |
| 3 | Shaft | SS416/316/304 |
| 4 | Disc | CF8/CF8M/DI+Ni |
| 5 | Pin | SS304/SS316 |
| 6 | Bushing | PTFE/Bronze |
| 7 | O Ring | NBR/EPDM |
Material List:
| No. | Part Name | Material |
| 1 | Body | Carbon Steel/Stainless Steel/Cast Iron/Ductile Iron/ Al-Bronze |
| 2 | Disc | Al-Bronze/CF8M/Ductile iron/WCB |
| 3 | Seat | EPDM/PEFE/Buna/NBR/Hypalon |
| 4 | Stem | Carbon Steel/Stainless Steel314/Stainless Steel316 |
| 5 | Bushing | PTFE/Lubricating |
| 6 | O ring | EPDM/PEFE/Buna/NBR/Hypalon |
| 7 | Pin | SS316/SS416/SS304 |
Dimensions:(mm)
