| 零件名称
Name | 材料Materrial |
| "Z"型、"Z"type | "KZ"型、"KZ"type |
| 阀体、阀盖
Body、Bonnet | WCB碳素铸钢
Carbon cast steel |
| 闸板
Disc | 合金钢表面经过特殊处理或焊硬质合金
Alloy steelsupericial specific treatment
or welde alloy hard |
| 阀杆
Stem | 不锈钢
Stainless steel | 抗硫不锈钢
Stainless steel |
| 阀座
Seat | 合金钢表面特殊处理
Alloy steelsuperficial
specific treatment | 合金钢焊硬质合金
Alloy steelwelde
alloy hard |
| 中法兰螺栓
Bolt on midflange | 35CrMoA |
| 中法兰螺母
Nut on midflange | 35碳钢
35 Carbon steel |
| 阀杆螺母
Stem nut | 铝青铜
Aluminum bronze |
| 填料
Packing | 填充四氟、膨胀石墨
Stuffing PTFE、Expanding graphite |
| 密封圈
Sealing | 填充四氟、丁睛橡胶
Stuffing PTFE、
Buna-N Ruabber | 填充四氟、氟橡胶
Stuffing PTFE、
Fluorous |
| 密封脂
Ring | 耐油密封脂
Oil resisting packing
grease | 抗硫密封脂
Resistant sulfur
packing grease |
