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ANA42F內裝式安全閥主要用于鐵路和汽車石油液化氣槽車或地面液化氣儲罐上，作為設備的超壓安全保護裝置。
| 主要零部件材料 Materials for main parts | |||
| Name of parts | Body, Bonnet | Nozzle, disc | Spring |
| Materials | WCB | 2Cr13 | 50CrVA |
| 外形尺寸和連接尺寸 Dimensions (mm) | ||
| NO. | Name of part | Materials |
| 1 | Disc | Carbon Steel |
| 2 | Sealing | PTFE |
| 3 | Body | Carbon Steel |
| 4 | Stem | 1Cr18Ni9Ti |
| 5 | Nozzle | Carbon Steel |
| 6 | Yoke | Carbon Steel |
