带扳手弹簧全启式安全阀（A48Y）.doc

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1、带扳手弹簧全启式安全阀(A48Y)Description:系列SeriesA48Y-16CA48Y-25A48Y-40A48Y-64A48Y-100A44Y-16CA44Y-25A44Y-40A44Y-64A44Y-100A44Y-16PA44Y-25PA44Y-40PA44Y-64PA44Y-100PA44Y-16RA44Y-25RA44Y-40RA44Y-64RA44Y-100RA48Y型适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上。A44Y适用于工作温度≤300℃的空气、石油等介质的设备或管路

2、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。A48Ytypeareusedfortheequipmentandpipelineofthewithsteamandairetcmediumwhattheworkingtemperaturearelessthan350.A44Ytypeareusedfortheequi-pmentandpipelineofthewithairandpetroleumgasmediumwhattheworki

3、ngtemperaturearelessthan300,Takeforextrapre-ssureprotectiondevices.FlangeconnectingdimensionsofcomplywithStandardseriesfirstofJB/T-94whenthepressurelessthan6.4MPa,complywithStandardseriestwoofJB/T-94whenmorethan6.4MPa.主要零部件材料MaterialsformainpartsNO.Nameofpar

4、tA48Y-CA44Y-C材料MaterialsA44Y-P材料MaterialsA44Y-R材料Materials1阀体BodyWCBZG1Cr18Ni9TiCF8M2阀座Nozzle2Cr131Cr18Ni9Ti3163调节圈AdjustingringZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti4反冲盘DischolderZG2Cr13ZG1Cr18Ni9Ti3165阀瓣Disc2Cr131Cr18Ni9Ti3166导向套Guidesleeve2Cr131Cr18Ni9Ti0Cr18N

5、i12Mo2Ti7阀盖BonnetZG230-450ZG230-450ZG230-4508弹簧Spring50CrVA50CrVA包覆氟塑料CoatedTeflon50CrVA包覆氟塑料CoatedTeflon9阀杆Stem2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10扳手LeverZG200-400ZG200-400ZG200-40011调整螺杆Adjustingbolt452Cr132Cr1312保护罩CapZG200-400ZG200-400316　密封面材料Sealingsurfaceo

6、fmaterial堆焊Co基硬质合金Depositingstellite外形尺寸和连接尺寸Dimensions(mm)Type(DN)doDKgg1bff1Z-dDN'D1k1g3g2b1f'f1'Z1-d1LL1HA48Y-16CA44Y-16CA44Y-16P201510575　55162　4-142511585　65162　4-1411095411A44Y-16R251611585　65162　4-1432140100　78182　4-18110954113220140100　78182　4-184015

7、0110　85183　4-181151004114025150110　85183　4-1850165125　100203　4-181201104725032165125　100203　4-1865185145　120203　4-181351205326540185145　120203　4-1880200160　135203　8-181601405568050200160　135203　8-18100220180　155223　8-1817013556110065220180　155203　8-181252502

8、10　185223　8-1819517566712580250210　185223　8-18150285240　210243　8-23210190857150100285240　210243　8-23175310270　240263　8-23255230915200125340295　265263　12-23250405355　320303　12-263002601,073250150