带扳手弹簧式安全阀概述
带扳手弹簧全启式安全阀(A44H、A44Y、A44W 带扳手弹簧全启式安全阀)：本阀适用于工作温度≤300℃的空气、石油等介质的设备或管路上，作为超压保护装置。连接法兰标准PN<6.4MPa按JB/T-94系例1。PN≥6.4MPa按JB/T-94系列2标准。
带扳手弹簧安全阀主要零部件材料
序号零件名称A44Y-C 材料A44Y-P 材料A44Y-R 材料
1阀体WCBZG1Cr18Ni9TiCF8M
2阀座2Cr131Cr18Ni9Ti316
3调节圈ZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti
4反冲盘ZG2Cr13ZG1Cr18Ni9Ti316
5阀瓣2Cr131Cr18Ni9Ti316
6导向套2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti
7阀盖ZG230-450ZG230-450ZG230-450
8弹簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料
9阀杆2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
10扳手ZG200-400ZG200-400ZG200-400
11调整螺杆452Cr132Cr13
12保护罩ZG200-400ZG200-400316
13密封面材料堆焊Co基硬质合金
带扳手弹簧安全阀主要外形连接尺寸mm
型号DNdoDKgg1bff1Z- dDN'D1k1g3g2b1f'f1'Z1- d1LL1H
A44Y-16C
A44Y-16P
A44Y-16R201510575551624-142511585651624-1411095411
251611585651624-1432140100781824-1811095411
3220140100781824-1840150110851834-18115100411
4025150110851834-18501651251002034-18120110472
50321651251002034-18651851451202034-18135120532
65401851451202034-18802001601352038-18160140556
80502001601352038-181002201801552238-18170135561
100652201801552038-181252502101852238-18195175667
125802502101852238-181502852402102438-23210190857
1501002852402102438-231753102702402638-23255230915
20012534029526526312-2325040535532030312-263002601,073
25015040535532030312-2630046041037530412-263503201,307
30022046041037530412-2640058052548536416-303703501,233
35025052047043534416-2650071565060844420-345004501,711
40028058052548536416-3050071565060844420-345004501,780
A44Y-25
A44Y-25P
A44Y-25R201510575551624-142511585651624-1411095411
251611585651624-1432140100781824-1811095411
3220140100781824-1840150110851834-18115100411
4025150110851834-18501651251002034-18120110472
50321651251002034-18651851451202034-18135120532
65401851451202238-18802001601352038-18160140556
80502001601352238-181002201801552238-18170135561
100652301901602438-231252502101852238-18195175667
125802702201882838-261502852402102438-23210190857
1501003002502183038-261753102702402638-23255230915
20012536031027834312-2625040535532030312-263002601,073
25015042537033236312-3030046041037530412-263503201,307
30022048543039040416-3040058052548536416-303703501,233
35025055549044844416-3450071565060844420-345004501,711
40028062055050548416-3650071565060844420-345004501,780
A44Y-40
A44Y-40P
A44Y-40R201510575515516244-142511585651624-1411095411
251611585686516244-1432140100781824-1811095411
3220140100667818244-1840150110851834-18115100411
4025150110768518344-18501651251002034-18120110472
50321651258810020344-18651851451202034-18135120532
654018514511012022348-18802001601352038-18160140556
805020016012113522348-181002201801552238-18170135561
100652351901501602434.58-231252502101852238-18195175697
125802702201761882834.58-261502852402102438-23210190857
1501003002502042183034.58-261753102702402638-23255230915
2001253753202602823834.512-3025040535532030312-263002601,073
2501504503853133454234.512-3430046041037530412-263503201,307
3002205154503644084644.516-3440058052548536416-303703501,233
350250580510422465524516-3650071565060844420-345004501,711
400280660585474535584516-4150071565060844420-345004501,711
A44Y-64
A44Y-64P
A44Y-64R201012590516822244-182511585586516244-149685297
2516140100587822244-1832140100667818244-18110100310
3220155110668224244-2340150110768518344-18130110322
4025170125769524344-23501651258810020344-18135120352
50321801358810526344-236518514511012022348-18155135425
654020516011013028348-238020016012113522348-18175160570
805021517012114030348-231002351901501602434.58-23175160560
100652502001501683234.58-261252702201761882834.58-25195195690
1501003452802042403834.58-342003753202602823834.512-30280265935
A44Y-100
A44Y-100P
A44Y-100R201012590516822244-182511585586516244-149685297
2516140100587824244-1832140100667818244-18110100310
3220155110668224244-2340150110768518344-18130110322
4025170125769526344-23501651258810020344-18135120352
50321951458811228344-266518514511012022348-18155135425
653222017011013832348-268020016012113522348-18175160570
804023018012114834348-261002351901501602434.58-23175160560
100502652101501723834.58-301252702201761882834.58-25195195690
150803552902042504634.512-342003753202602823834.512-30280265935
安装使用注意事项
1、各种安全阀都应垂直安装。
2、安全阀出口处应无阻力，避免产生受压现象。
3、安全阀在安装前应专门测试，并检查其官密封性。
4、对使用中的安全阀应作定期检查
