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A48Y、A44Y型带扳手弹簧全启式安全阀主要零部件材料
| NO. | 零件名称 | A48Y-C A44Y-C 材料 | A44Y-P材料 | A44Y-R材料 | | 1 | 阀体 | WCB | ZG1Cr18Ni9Ti | CF8M | | 2 | 阀座 | 2Cr13 | 1Cr18Ni9Ti | 316 | | 3 | 调节圈 | ZG2Cr13 | ZG1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti | | 4 | 反冲盘 | ZG2Cr13 | ZG1Cr18Ni9Ti | 316 | | 5 | 阀瓣 | 2Cr13 | 1Cr18Ni9Ti | 316 | | 6 | 导向套 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti | | 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 | 1Cr18Ni12Mo2Ti | | 10 | 扳手 | ZG200-400 | ZG200-400 | ZG200-400 | | 11 | 调整螺杆 | 45 | 2Cr13 | 2Cr13 | | 12 | 保护罩 | ZG200-400 | ZG200-400 | 316 | | | 密封面材料 | 堆焊Co基硬质合金 | |
