Butterfly valve disc material selection
| Caustic substance | Material selection | |
| Ⅰ | Ⅱ | |
| Low pressure steam | WCB | Stainless steel |
| Petroleum | Cast Iron | WCB |
| Crude petroleum | Cast Iron | Bronze |
| Gasoline | WCB | Bronze |
| Compressed air | Bronze | Cast Iron |
| Coal gas | Cast Iron | Bronze |
| Nitric acid | Stainless steel | |
| Oil of vitriol | WCB | High silicon cast iron |
Related Posts:
