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特征：
- 防喷杆
- 球槽中的压力平衡孔
- 减少端口
- 提供各种螺纹标准
| Body | SS304/SS316 |
| Seat | PTFE+15%FV |
| Bonnet | SS304/SS316 |
| Metal Gasket | SS304 |
| Ball | SS304/SS316 |
| Stem | SS304/SS316 |
| Stem Gasket | PTFE |
| Packing | PTFE |
| Packing Gland | SS304 |
| Handle | SS304 |
| Spring Washer | SS304 |
| Handle Nut | ASTM A194 B8 |
| Handle Sleeve | PLASTIC |
