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A48Y-25P/40P不銹鋼安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質的設備和管路上。安全閥適用于工作溫度≤300℃的空氣、石油等介質的設備或管路上，作為超壓保護裝置。連接法蘭標準PN＜6.4MPa按JB/T-94系列1。PN≥6.4MPa按JB/T-94系列2標準。
A48Y-25P/40P不銹鋼安全閥相關型號：A48Y-16C A48Y-25 A48Y-40 A48Y-64 A48Y-100 A44Y-16C A44Y-25 A44Y-40 A44Y-64 A44Y-100 A44Y-16P A44Y-25P A44Y-40P A44Y-64P A44Y-100P A44Y-16R A44Y-25R A44Y-40R A44Y-64R A44Y-100R
主要零部件材料 Materials for main parts | ||||
NO. | Name of part | A48Y-C A44Y-C 材料 Materials | A44Y-P 材料 Materials | A44Y-R 材料 Materials |
1 | 閥 體Body | WCB | ZG1Cr18Ni9Ti | CF8M |
2 | 閥 座Nozzle | 2Cr13 | 1Cr18Ni9Ti | 316 |
3 | 調 節 圈 Adjusting ring | ZG2Cr13 | ZG1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
4 | 反 沖 盤 Disc holder | ZG2Cr13 | ZG1Cr18Ni9Ti | 316 |
5 | 閥 瓣Disc | 2Cr13 | 1Cr18Ni9Ti | 316 |
6 | 導 向 套Guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
7 | 閥 蓋Bonnet | ZG230-450 | ZG230-450 | ZG230-450 |
8 | 彈 簧 Spring | 50CrVA | 50CrVA包覆氟塑料 Coated Teflon | 50CrVA包覆氟塑料 Coated Teflon |
9 | 閥 桿Stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
10 | 扳 手Lever | ZG200-400 | ZG200-400 | ZG200-400 |
11 | 調整螺桿Adjusting bolt | 45 | 2Cr13 | 2Cr13 |
12 | 保 護 罩Cap | ZG200-400 | ZG200-400 | 316 |
| 密封面材料 Sealing surface of material | 堆焊Co基硬質合金 Depositing slite | ||