Application
Suitable for all concentrations of aqua, sulfuric acid, hydrochloric acid, hydrofluoric acid and all kinds of organic acids, strong acids, strong oxidants, also suitable for all concentrations of strong alkali organic solvents and other corrosive gases, liquid medium pipeline.
Material list main components
| NO. | Name | Gray Cast iron | Cast steel | Stainless acid resistant cast steel | super-low-stainless acid redidtant cast steel | ||
| Z | C | P | R | PL | RL | ||
| 1 | Body/Bonnet | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | Ball/Stem | 25 | 2Cr13 | 1Cr18Ni9 | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | Lined/Seat | PCTEF(F3), FEP(F46), PFA(F4) ,PP, PO | |||||
| 4 | packing gland | WCB | CF8 | CF8M | CF3 | CF3M | |
| 5 | pad | PTFE(F4) | PTFE(F4) | PTFE(F4) | |||
| 6 | eyelet bolt | 35 | 1Cr17Ni2 | 1Cr17Ni2 | |||
| 7 | Stem Nut | ZCuAl10Fe3 | ZCuAl10Fe3 | ZCuAl10Fe3 | |||
| 8 | Fastening bolt | 35 | 1Cr17Ni2 | 1Cr18Ni9Ti | |||
| 9 | Nut | 45 | 0Cr18Ni9 | 0Cr18Ni9 | |||
| 10 | Handle | WCB | WCB | WCB | |||
