| 主要零部件材料 | NO. | 零件名称 | SMA61Y-C材料 | SMA61-P材料 | SMA61-I材料 | | 1 | 阀体 | WCB | ZG1Cr18Ni9Ti | ZG1Cr5Mo | | 2 | 阀座 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 3 | 调节圈 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 4 | 阀瓣 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 5 | 导向套 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 6 | 散热器 | ZG230-450 | ZG230-450 | ZG230-450 | | 7 | 阀盖 | ZG230-450 | ZG230-450 | ZG230-450 | | 8 | 弹簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 | | 9 | 阀杆 | 2Cr13 | 1Cr18Ni9Ti | 2Cr13 | | 10 | 调整螺杆 | 45 | 1Cr18Ni9Ti | 2Cr13 | | 11 | 阀帽 | ZG200-400 | ZG200-400 | ZG200-400 | | | 密封面材料 | 堆焊Co基硬质合金 | |
