A41H弹簧微启封闭式安全阀主要零部件材料NO零件名称A41H-C/KA41Y-C材料A41Y-P/KA41Y-P材料A41Y-R/KA41Y-R材料1阀体WCBZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti2阀座ZG2Cr13/1Cr18Ni9TiZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti3调节圈ZG2Cr13/1Cr18Ni9TiZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti4阀瓣2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti5导向套ZG2Cr13/1Cr18Ni9TiZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti6阀盖ZG230-450ZG230-450ZG230-4507弹簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料8阀杆2Cr132Cr131Cr18Ni12Mo2Ti9调整螺杆452Cr132Cr1310保护罩ZG200-400ZG200-400ZG200-400密封面材料堆焊D507堆焊Co基硬质合金)