弹簧全启式安全阀介绍

鸿蝶阀门生产的A48Y带扳手弹簧全启式安全阀适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上，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。

弹簧全启式安全阀相关标准

设计规范：GB/T 12243

结构长度：GB/T 12221

法兰连接：JB/T 79

试验与检验：GB/T 12242

产品标识：GB/T 12220

供货规范：JB/T 7928

弹簧全启式安全阀主要零部件材料

序号零件名称A48Y-C材料A48Y-P 材料A48Y-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

弹簧全启式安全阀主要外形连接尺寸mm

序号DNdoDKgg1bff1Z- dDN'D1k1g3g2b1f'f1'Z1- d1LL1H

A48Y-16C201510575551624-142511585651624-1411095411

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

A48Y-25201510575551624-142511585651624-1411095411

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

A48Y-40201510575515516244-142511585651624-1411095411

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

A48Y-64201012590516822244-182511585586516244-149685297

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

A48Y-100201012590516822244-182511585586516244-149685297

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