彈簧全啟式安全閥來自適用于工作溫度≤300℃空氣、石油氣、液體等介質的設備和管路上。A42Y-P型及A42Y-R型適用于工作溫度≤200℃有腐蝕性的介質的設備和管路上，作為超壓保護裝置。
彈簧全啟式安全閥來自主要0部件材料：
NO.0件名稱A42Y-C/KA42Y-C材料A42Y-P/KA42Y-P材料A42Y-R材料DA42Y-P材料
1閥座2Cr13/1Cr18Ni9TiZG1Cr18Ni9TiZG1Cr18Ni12Mo2TiZG1Cr18Ni9Ti
2閥體WCBZG1Cr18Ni9TiZG1Cr18Ni12Mo2TiLCB/ZG1Cr18Ni9Ti
3調節圈2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti
4反沖盤2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti
5閥瓣2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti
6導向套2Cr13/1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti
7閥蓋ZG230-450ZG230-450ZG230-450ZG1Cr18Ni9Ti
8彈簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料50CrVA
9閥桿2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti1Cr18Ni9Ti
10調整螺桿452Cr132Cr132Cr13
11閥帽ZG200-400ZG200-400ZG200-400ZG230-450
密封面材料堆焊Co基硬質合金
彈簧全啟式安全閥來自外形尺寸和連接尺寸：
型號公稱通徑doDKgg1bff1Z-?dLL1≈H
A42Y-16C
A42Y-16P
A42Y-16R
KA42Y-16C DA42Y-16C(P)201510575551624-1411095378
251611585651624-1411095378
3220140100781824-
4025150110851834-
50321651251002034-
65401851451202034-
80502001601352038-
100652201801552238-
125802502101852238-
1501002852402102438-23255230838
20012534029526526312-23300260992
25015040535532030312-263503201266
30022046041037530412-263703501283
35025052047043534416-265004501520
40028058052548536416-305004501530
A42Y-25C
A42Y-25P
A42Y-25R
KA42Y-25C DA42Y-25(P)201510575551624-1411095378
251611585651624-1411095378
3220140100781824-
4025150110851834-
50321651251002034-
65401851451202238-
80502001601352238-
100652301901602438-23195175690
125802702201882838-26210190780
1501003002502183038-26255230838
20012536031027834312-26300260992
25015042537033236312-303503201266
30022048543039040416-303703501283
