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Main material list
| Parts | Material |
| Body | cast iron, ductile iron, |
| Seat | EPDM, NBR,VITON, PTFE |
| Disc | nickel ductile iron,AI bronze, stainless steel |
| Stem | carbon steel, stainless steel |
| Bushing | PTFE |
| “O” ring | PTFE |
| Pin | stainless steel |
| Key | stainless steel |