
Main parts and materials
| Parts Name | Materials |
| Body、Bonnet | Cast iron/ductile iron |
| Disc | Cast iron/ductile iron |
| Stem | Stainless steel/brass |
| Seat Ring | Brass/stainless steel |


Main parts and materials
| Parts Name | Materials |
| Body、Bonnet | Cast iron/ductile iron |
| Disc | Cast iron/ductile iron |
| Stem | Stainless steel/brass |
| Seat Ring | Brass/stainless steel |
