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AH42F安全回流閥碳鋼安全閥介紹：AH42F、A42F適用于工作溫度在-40~80℃的液化石油氣的液相出口管上，當進出口壓差大于0.5MPa時液化石油氣能自動回流入罐。
AH42F, A42F type are applicable in liqued phase outlet pipes with operation temperature range of -40~80 , when the inlet and outlet differential pressure is larger than 0.5MPa, the liquefied gas will return to the gas rank automatically .
AH42F安全回流閥碳鋼安全閥主要零部件材料 Materials for main parts
NO.
零件名稱Name of part
AH42F-C A42F-C Materials
1
閥 座 Nozzle
2Cr13
2
閥 體Body
WCB
3
調 節 圈 Adjusting ring
2Cr13
4
Disc holder
2Cr13
5
閥 瓣 Disc
2Cr13+PTFE
6
導 向 套Guide sleeve
2Cr13
7
閥 蓋Bonnet
ZG230-450
8
彈 簧Spring
50CrVA
9
閥 桿 Stem
2Cr13
10
調整螺桿 Adjusting bolt
45
11
閥 帽Cap
ZG200-400
