A48Y型大口径永一安全阀

永一安全阀A48Y型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。A44Y型带扳手弹簧全启式安全阀适用于工作温度≤300℃的空气、石油　等介质的设备和管路上，作为超压保护装置。产品连接法兰标准PN<6.4MPa按JB/和T-94系列1.2标准。PN≥6.4MPa按JB/和T-94系列2标准

主要零件材料NO零件名称

Name of partA48Y-C A44Y-C A42Y-C

材料　MaterialsA44Y-P A42Y-P

材料　MaterialsA44Y-R A42Y-R

材料　Materials1阀 体　BodyWCBZG1Cr18Ni9TiCF8M2阀 座　Nozzle2Cr131Cr18Ni9Ti3163调节圈　Adjusting ringZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti4反冲盘　Disc holderZG2Cr13ZG1Cr18Ni9Ti3165阀瓣　Disc2Cr131Cr18Ni9Ti3166导向套　Guide sleeve2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti7阀盖　BonnetZG230-450ZG230-450ZG230-4508弹簧 Spring50CrVA50CrVA包覆氟塑料　Coated Teflon50CrVA包覆氟塑料　Coated Teflon9阀　杆　Stem2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10扳 手 LeverZG200-400ZG200-400ZG200-40011调整螺杆Adjusting bolt452Cr132Cr1312保护　CapZG200-400ZG200-400316密封面材料Sealing surface of material堆焊Co基硬质合金　Depositing stellite

外形尺寸和连接尺寸 Dimensions (mm)

Type(DN)doDKgg1bff1Z- dDN’D1k1g3g2b1f’f1′Z1-    d1LL1HA48Y-16C A44Y-16C A44Y-16P A44Y-16R201510575551624-142511585651624-1411095411251611585651624-1432140100781824-18110954113220140100781824-1840150110851834-181151004114025150110851834-18501651251002034-1812011047250321651251002034-18651851451202034-1813512053265401851451202034-18802001601352038-1816014055680502001601352038-181002201801552238-18170135561100652201801552038-181252502101852238-18195175667125802502101852238-181502852402102438-232101908571501002852402102438-231753102702402638-2325523091520012534029526526312-2325040535532030312-263002601,07325015040535532030312-2630046041037530412-263503201,30730022046041037530412-2640058052548536416-303703501,23335025052047043534416-2650071565060844420-345004501,71140028058052548536416-3050071565060844420-345004501,780A48Y-25

A44Y-25

A44Y-25P A44Y-25R201510575551624-142511585651624-1411095411251611585651624-1432140100781824-18110954113220140100781824-1840150110851834-181151004114025150110851834-18501651251002034-1812011047250321651251002034-18651851451202034-1813512053265401851451202238-18802001601352038-1816014055680502001601352238-181002201801552238-18170135561100652301901602438-231252502101852238-18195175667125802702201882838-261502852402102438-232101908571501003002502183038-261753102702402638-2325523091520012536031027834312-2625040535532030312-263002601,07325015042537033236312-3030046041037530412-263503201,30730022048543039040416-3040058052548536416-303703501,23335025055549044844416-3450071565060844420-345004501,71140028062055050548416-3650071565060844420-345004501,780A48Y-40

A44Y-40

A44Y-40P A44Y-40R201510575515516244-142511585651624-1411095411251611585686516244-1432140100781824-18110954113220140100667818244-1840150110851834-181151004114025150110768518344-18501651251002034-1812011047250321651258810020344-18651851451202034-18135120532654018514511012022348-18802001601352038-18160140556805020016012113522348-181002201801552238-18170135561100652351901501602434.58-231252502101852238-18195175697125802702201761882834.58-261502852402102438-232101908571501003002502042183034.58-261753102702402638-232552309152001253753202602823834.512-3025040535532030312-263002601,0732501504503853133454234.512-3430046041037530412-263503201,3073002205154503644084644.516-3440058052548536416-303703501,233350250580510422465524516-3650071565060844420-345004501,711400280660585474535584516-4150071565060844420-345004501,711A48Y-64

A44Y-64

A44Y-64P A44Y-64R201012590516822244-182511585586516244-1496852972516140100587822244-1832140100667818244-181101003103220155110668224244-2340150110768518344-181301103224025170125769524344-23501651258810020344-1813512035250321801358810526344-236518514511012022348-18155135425654020516011013028348-238020016012113522348-18175160570805021517012114030348-231002351901501602434.58-23175160560100652502001501683234.58-261252702201761882834.58-251951956901501003452802042403834.58-342003753202602823834.512-30280265935A48Y-100

A44Y-100

A44Y-100P A44Y-100R201012590516822244-182511585586516244-1496852972516140100587824244-1832140100667818244-181101003103220155110668224244-2340150110768518344-181301103224025170125769526344-23501651258810020344-1813512035250321951458811228344-266518514511012022348-18155135425653222017011013832348-268020016012113522348-18175160570804023018012114834348-261002351901501602434.58-23175160560100502652101501723834.58-301252702201761882834.58-25195195690150803552902042504634.512-342003753202602823834.512-30280265935

企业名片