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 |