一、概述简介东莞波纹管安全阀、东莞永一天正蒸汽波纹管安全阀WA42Y适用于工作温度≤200℃存在不稳定背压或有毒、腐蚀性介质的设备或管路上，作为超压保护装置。山武牌WA42Y波纹管平衡式安全阀连接法兰标准≤4MPa采用JB/T6……94系列1。＞4MPa采用JB/T……94系列2标准。二、东莞波纹管安全阀、东莞永一天正蒸汽波纹管安全阀零部件材料：NO.零件名称WA42Y-C型材料WA42Y-P型材料WA42Y-R型材料1阀体WCBZG1Cr18Ni8Ti,304CF8M2阀座2Cr131Cr18Ni8Ti3163调节圈2Cr131Cr18Ni8Ti0Cr18Ni12Mo2Ti4阀瓣2Cr131Cr18Ni8Ti3165反冲盘2Cr131Cr18Ni8Ti3166波纹管3043043167导向套2Cr131Cr18Ni8Ti0Cr18Ni12Mo2Ti8阀盖ZG230-450ZG230-450ZG230-4509弹簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料三、东莞波纹管安全阀、东莞永一天正蒸汽波纹管安全阀连接尺寸：型号公称通径doDKg1bfDN'D1K1g2b1LL1≈H201510575551622010575551610085276252011585651622511585651610085276322514010078182321401007818115100285WA42Y-40P4032150110851834015011085181201102925040165125100203501651251002013512037065501851451202036518514512020140130375WA42Y-40R8065200160135203802001601352016013537310080220180155223100220180155221701605131251002502101852231252502101852219019056015012528524021024315028524021024205195570WA42Y-40C200150340295265263200340295265262402307172502004053553203032504053553203035032094030025046041037530430046041037530350320980)