China Hemisphere Ball Valve, Spheroidal Graphite Cast Iron Ball Valve, Ductile Iron Ball Valve, Find details about China Eccentric Ball Valve, Eccentric Half Ball Valve from Hemisphere Ball Valve, Spheroidal Graphite Cast Iron Ball Valve, Ductile Iron Ball Valve
Hemisphere Ball Valve-Jacket Type
· More reasonable structure design
· Lower pressure loss
· Better quality assurance of sealing
· Longer service life
· Maintenance easier
No | Part | Material | No | Part | Material |
1 | Body | Ductile Iron | 12 | Disc | Ductile Iron(QT450) |
2 | Top Sheft | 2Cr13 | 13 | Sealing Seat | 2Cr13, Stainless Steel |
3 | Cover | Ductile Iron(QT450) | 14 | Key | 45 |
4 | Grand | HT200 | 15 | Packing | NBR |
5 | Packing ring | ZcuZn382Pb | 16 | Shaft Bushing | DF-1 |
6 | Cover ring | NBR | 17 | Down Shaft Bushing | DF-1 |
7 | Down Shaft | 2Cr13 | 18 | Down Shaft Sealing Ring | NBR |
8 | End Cover Sealing Ring | NBR | 19 | End Cover | Ductile Iron(QT450) |
9 | Disc Sealing Ring | NBR | 20 | Spherical Crown | SS304 |
10 | Body Sealing Ring | NBR | 21 | Body Sealing Seat | 2Cr13 |
11 | Body Strainer | Ductile Iron(QT450) | 22 | Body Sealing Ring | NBR |
Nominal Diameter DN | 100-2000 | mm | ||
Nominal Pressure PN | 1.0, 1.6. 2.5 | Mpa | ||
Test Pressure | Shell | 1.5 | Mpa | |
Sealing | 1.1 | Mpa | ||
Working Temperature | -29-425 | ºC | ||
Suitable Medium | Water, Sewage, Sea Water, Air, Oil etc. | |||
Operation | Gear, Electric, Pneumatic |