■主要零件及材料 Main parts and materials
| 零件名称 part name | 材料material |
| 阀体body、 阀盖cover | 铸钢cast steel、不锈钢 stainless steel、内衬liningF4、F46 |
| 阀瓣disc | 优碳钢 excellent carbon steel、不锈钢 stainless steel、衬liningF4、F46 |
| 阀杆 Stem | 2Cr13、不锈钢 stainless steel |
| 填料packing | PTFE(F4)聚四氯乙烯 |
| 阀杆螺母 stem nut | 2HMN58-2-2 |
| 手轮 handwheel | HT200 |