China Manual Ball Valve, Wcb Worm Gear Eccentric Ball Valve, Find details about China Offset Central Line Ball Valve, Wc Eccentric Half Ball Valve from Manual Ball Valve, Wcb Worm Gear Eccentric Ball Valve
WCB Offset Central Line Ball Valve
· 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,WCB | 12 | Disc | Ductile Iron(QT450),SS |
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 |
Part Name | Material | ||||||
Body | WCB | ZG1Cr18Ni9Ti | CF8(304) | CF3(304L) | ZG1Cr18Ni 12Mo2Ti | CF8M (316) | CF3M (316L) |
Stem | 2Cr13 | 1Cr18Ni9Ti | 0Cr19Ni9 (304) | 00Cr19Ni11 (304L) | 1Cr18Ni12 Mo2Ti | 0Cr17Ni12 Mo2(316) | 00Cr17Ni12Mo2 (316L) |
Seal ring | (PTFE),(PPL),PPL soft graphite | ||||||
Medium | water, gas, steam, oil etc. | Corrosion medium such as Nitric acid | Strong oxidizing medium | Acetic acid and other corrosive medium | Urea and other corrosive medium |