NA48SH高温高压安全阀
NO. | 零件名称 | C型材料 | I型材料 | V型材料 |
| 阀体 | WCB | ZG1Cr5Mo | ZG15Cr1Mo1V |
| 阀座 | 2Cr13 | 1Cr18Ni9Ti | 12Cr1MoVA |
| 调节圈 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 阀瓣 | 2Cr13 | 17-4PH | 17-7PH |
| 导向套 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 散热器 | ZG230-450 | ZG230-450 | ZG230-450 |
| 阀盖 | ZG230-450 | ZG230-450 | ZG230-450 |
| 弹簧 | 50CrVA | 50CrVA | 50CrVA |