PTFE lined flanged butterfly valve is designed for handling corrosive and aggressive media in chemical, pharmaceutical, water treatment, and industrial applications. The valve features a PTFE lining that provides excellent corrosion resistance, low friction, and reliable sealing performance. With a lightweight design, low operating torque, and long service life, it is an ideal solution for demanding applications requiring high chemical compatibility and leak-free operatio
Size: NPS 2”-8”
Pressure: 150LB
Body Materials: Body Material: Cast Iron / Ductile Iron
Seat Materials: EPDM / NBR/ VITON / PTFE
Design: API 609, MSS SP-67
Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1
Pressure Test: API 598
Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16
Top Flange: ISO5211
Suitable Medium: air, Sewage, steam, gas, oil, etc
Part | Material |
Body | WCB,QT450 |
Disc | WCB,QT450 |
Shaft | 2Cr13 |
O ring | EPDM / NBR/ VITON / PTFE |
Packing | Flexible graphite |
1. The use of PTFE lining without pins ensures the isolation of the medium from the metal and improves the reliability of the product.
2. The sealing surface has good wear resistance
3. It can be installed in any position, and the maintenance is convenient.
4. The seal can be replaced, and the sealing performance is reliable to achieve zero leakage in both directions.
5. Rubber material has no toxicity, and is antibacterial and mildew-resistant.
Welcome to HENGFENG valves! We are a leading provider of high-quality valves and valve solutions for various industries.
Xian Hengfeng Electromechanical Equipment Co.,Ltd
No.15,group 3,Sanlian Village,Dazhao Street Office,Chang’an District,Xi’an City, Shaanxi Province
Yiwu Hengfeng Electromechanical Equipment Company
Zongtang 1st District, Jiangdong Street, Yiwu City, Jinhua City, Zhejiang Province
