产品结构特点：（1）、阀座与阀体为可分离式，维修方便.经济.(2)、伞形反冲盘能够有效提高升力，阀瓣在较小压力下就能够迅速开启，排放介质，从而达到保护设备的目的(3)、调节圈能够调节满意的启闭压差。(4)、对反冲盘和导向套.阀杆和调整螺丝钉的材料进行合理的选择以及间隙的适当选取，保证阀瓣运动灵活。(5)、阀瓣.阀座密封面对焊硬质合金，表面精研后保证高密封和使用寿命。(6)、波纹管安全阀中的波纹管能够消除背压波动对阀门性能的影响，还能保护弹簧和其他内件免受介质的腐蚀。本阀门适用于工作温度≤200℃存在不稳定背压或***、腐蚀性介质的设备或管路上，作为超压保护装置。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。主要零部件材料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包覆氟塑料密封面材料外形尺寸和连接尺寸型号公称通径doDKgg1bff1Z-?dDN’D1K1g3g2b1f’f1’Z1-?d1LL1≈HWA42Y-16WA42Y-16PWA42Y-16R251611585651624-1432140100781824-18110953783220140100781824-1840150110851834-181151003784025150110851834-18501651251001834-1812011040650321651251002034-18651851451202034-1813512045065401851451202034-18802001601352038-1816014052080502001601352038-181002201801552238-18170135525100652201801552238-181252502101852238-18195175690125802502101852238-181502852402102438-232101908571501002852402102438-231753102702402638-2325523083820012534029526526312-2325040535532030312-26300260992WA42Y-25WA42Y-25PWA42Y-25R251611585651624-1432140100781824-18110953783220140100781824-1840150110851834-181151003784025150110851834-18501651251002034-1812011040650321651251002034-18651851451202034-1813512045065401851451202238-18802001601352038-1816014052080502001601352238-181002201801552238-18170135525100652301901602438-231252502101852238-18195175690125802702201882838-261502852402102438-232101907801501003002502183038-261753102702402638-2325523083820012536031027834312-2625040535532030312-26300260992WA42Y-40WA42Y-40PWA42Y-40R251611585586516244-1432140100781824-18110953783220140100667818244-1840150110851834-181151003784025150110768518344-18501651251002034-1812011040650321651258810020344-18651851451202034-18135120450654018514511012022348-18802001601352038-18160140520806020016012113524348-181002201801552238-18170135525100652351901501602434.58-231252502101852238-18195175690125802702201881762834.58-261502852402102438-232101908571501003002502042183034.58-261753102702402638-232552308382001253753202602823834.512-3025040535532030312-26300260992WA42Y-64WA42Y-64PWA42Y-64R2516140100587822244-1832140100667818244-181101002773220155110668224244-2340150110768518344-181301102894025170125769524344-23501651258810020344-1813012031950321801358810526344-236518514511012022348-18135130389654020516011013028348-238020016012113522348-18175160493805021517012114030348-231002351901501602434.58-23175160483100652502001501683234.58-261252702201761882834.58-251951956131501003452802042403834.58-342003753202602823834.512-30280265894WA42Y-100WA42Y-100PWA42Y-100R2516140100587824344-1832140100667818244-181101002773220155110668224244-2340150110768518344-181301102894025170125769526244-23501651258810020344-1813012031950321951458811228344-266518514511012022348-18135130389653222017011013832348-268020016012113522348-18175160493804023018012114834348-261002351901501602434.58-23175160483100502652101501723834.58-301252702201761882834.58-25