MAIN PARTS AND MATERIALS 主要零件材料
| NO. | PART NAME | MATERIAL |
| 1 | BODY 阀体 | DUCTILE IRON 球墨铸铁 |
| 2 | WEDGE 楔子 | DUCTILE IRON球墨铸铁/NBR丁腈橡胶 |
| 3 | STEM NUT阀杆螺母 | BRASS黄铜 |
| 4 | STEM阀杆 | STAINLESS STEEL不锈钢 |
| 5 | GASKET垫圈 | NBR丁腈橡胶 |
| 6 | BONNET BOLT盖板螺栓 | CARBON STEEL碳钢 |
| 7 | O-RING O型圈 | NBR丁腈橡胶 |
| 8 | LOCATING定位器 | BRASS黄铜 |
| 9 | BONNET阀盖 | DUCTILE IRON球墨铸铁 |
| 10 | MINIPAD小垫片 | NBR丁腈橡胶 |
| 11 | O-RING O型圈 | NBR丁腈橡胶 |
| 12 | SEAL RING密封圈 | BRASS黄铜 |
| 13 | GLAND填料 | DUCTILE IRON球墨铸铁 |
| 14 | DUST RING防尘圈 | NBR丁腈橡胶 |
| 15 | WASHER垫片 | CARBON STEEL碳钢 |
| 16 | BOLT 螺栓 | CARBON STEEL碳钢 |
| 17 | BOLT螺栓 | CARBON STEEL碳钢 |
| 18 | CAP方帽 | DUCTILE IRON球墨铸铁 |

