
Concentric Flanged Butterfly Valve
1. Not only applicable to liquid medium, but also applicable to gas medium;
2. Disc has two-way bearing and excellent sealing property;
3. Valve body has rubber seat and longer service life;
4. Easily installation, flexible position;
5. Can be used in pipe end evacuation;
6. Wth many kinds of materiais, applicable to diderent medium;
7. Strong wash and brush resistance, fit to bad working condition and environment;
8. Central plate shape structure, small start and stop torque;
9. Can be used in cutting off and regulating medium;
10. Complete specifications: DN50~1200
nominal diameter: | DN50---DN1000mm | ||
nominal pressure: | PN1.0,PN1.6mpa | ||
working temperature: | -35°C--135°C | ||
suitable mediums: | water,fresh water,oils,acids,alkalis | ||
Body | Cast iron + BNR/EPDM | ||
Disc | Ductile iron, bronze, stainless steel
| ||
Shaft | Stainless steel | ||
Bushing | Lubricated bronze, F4-PTFE | ||
Taper pin | Stainless steel | ||
O ring | Rubber
| ||
Key | Steel 45 | ||