Main parts and materials
| Parts Name | Materials |
| Body、Bonnet | ASTM A126 B |
| Disc | ASTM A126 B |
| Stem | SS420 |
| Seat Ring | BRASS |
Product Features:
1. The structure is tight and the design is reasonable. The valve has good rigidity, the channel DU is smooth and the flow resistance coefficient is small.
2. Stainless steel and hard alloy are used for the sealing surface, and dao has long service life.
3. Flexible graphite packing, reliable sealing, light and flexible operation.
4. Driving mode: split, electric, pneumatic and gear transmission, structure: elastic wedge type single gate, rigid wedge type single gate and double gate models.