产品名称：锅炉安全阀产品型号：A48Y、A44Y驱使方法：手动连接形式：法兰结构形式：弹簧全启式密封用料：堆焊Co基硬质合金压力范围：1.6～10.0MPa公称通径：DN20-DN400常用材质：碳钢、不锈钢技术咨询：0772-3219583一、锅炉安全阀概述A44Y型锅炉安全阀（带扳手弹簧全启式安全阀）适用于工作温度≤300℃的空气、石油等介质的设备或管路上，A48Y型适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上，作为超压爱护装置。连接法兰标准PN＜6.4MPa按JB/T-94系列1。PN≥6.4MPa按JB/T-94系列2标准。二、锅炉安全阀零部件用料NO.蒸汽锅炉安全阀零件名称A48Y-CA44Y-C用料A44Y-P用料A44Y-R用料1阀体WCBZG1Cr18Ni9TiCF8M2阀座2Cr131Cr18Ni9Ti3163调节圈ZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti4反冲盘ZG2Cr13ZG1Cr18Ni9Ti3165阀瓣2Cr131Cr18Ni9Ti3166导向套2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti7阀盖ZG230-450ZG230-450ZG230-4508弹簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料9阀杆2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10扳手ZG200-400ZG200-400ZG200-40011调整螺杆452Cr132Cr1312爱护罩ZG200-400ZG200-400316密封面用料堆焊Co基硬质合金三、锅炉安全阀外形和结构图型号公称通径doDKgg1bff1Z-ødDN'D1K1g3g2b1f'f1'Z1-ød1LL1≈HA48Y-16CA44Y-16CA44Y-16PA44Y-16R201510575551624-142511585651624-1411095411251611585651624-1432140100781824-18110954113220140100781824-1840150110851834-181151004114025150110851834-18501651251002034-1812011047250321651251002034-18651851451202034-1813512053265401851451202034-18802001601352038-1816014055680502001601352038-181002201801552238-18170135561100652201801552038-181252502101852238-18195175667125802502101852238-181502852402102438-232101908571501002852402102438-231753102702402638-2325523091520012534029526526312-2325040535532030312-26300260107325015040535532030312-2630046041037530412-26350320130730022046041037530412-2640058052548536416-30370350123335025052047043534416-2650071565060844420-345004501711)