弹簧微启式安全阀一、简介A47H弹簧微启式安全阀本阀门适用于工作温度≤350℃的蒸汽、空气等介质的设备或管路上。作为超压保护装置。二、结构特点 1、弹簧微启式安全阀具有结构简单、密封性能好、开启压力准确、排放能力大、回座压差小、调整方便等特点。 2、喷嘴型阀座:阀座为位伐尔喷嘴型阀座,蒸汽流经阀座出口处时达到音速,排放系数大,阀座密封面堆焊钴铬钨硬质合金,耐磨抗冲蚀,寿命长。 3、热弹性阀瓣:阀瓣设计为热弹性结构,利用其在介质压力下微小的变形,提高密封能力,克服安全阀在介质压力下临近整定压力时的前泄现象。阀瓣密封面采用先进的激光淬火技术,提高了硬度、耐磨性、抗冲抗性。 4、调节螺母:通过调整调节螺母,调整弹簧压缩量,使阀门能够很方便、很迅速地获得准确的整定压力。 5、背压调整套:调整阀。三、零件材料零件名称材料阀体WCB阀座ZG2Cr13调节圈ZG2Cr13阀瓣2Cr13导向套2Cr13阀盖ZG230-450弹簧50CrVA阀杆2Cr13扳手ZG200-400调整螺杆45保护罩ZG200-400密封面材料"H"堆焊D507,"Y"堆焊Co基硬质合金四、结构图弹簧微启式安全阀结构图
A48Y型带扳手弹簧全启式安全阀一、简介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适用于工作温度≤300℃的空气、石油等介质的设备或管路上,作为超压保护装置。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、零件材料阀体WCBZG1Cr18Ni9TiCF8M阀座2Cr131Cr18Ni9Ti316调节圈ZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti反冲盘ZG2Cr13ZG1Cr18Ni9Ti316阀瓣2Cr131Cr18Ni9Ti316导向套2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti阀盖ZG230-450ZG230-450ZG230-450弹簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料阀杆2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti扳手ZG200-400ZG200-400ZG200-400调整螺杆452Cr132Cr13保护罩ZG200-400ZG200-400316密封面材料堆焊Co基硬质合金三、结构图弹簧全启式安全阀结构图四、连接尺寸型号公称通径doDKgg1bff1Z-ødA48Y-16C201510575551624-14251611585651624-143220140100781824-184025150110851834-1850321651251002034-1865401851451202034-1880502001601352038-18100652201801552038-18125802502101852238-181501002852402102438-2320012534029526526312-2325015040535532030312-2630022046041037530412-2635025052047043534416-2640028058052548536416-30A48Y-25201510575551624-14251611585651624-143220140100781824-184025150110851834-1850321651251002034-1865401851451202238-1880502001601352238-18100652301901602438-23125802702201882838-261501003002502183038-2620012536031027834312-2625015042537033236312-3030022048543039040416-3035025055549044844416-3440028062055050548416-36A48Y-40201510575515516244-14251611585586516244-143220140100667818244-184025150110768518344-1850321651258810020344-18654018514511012022,348-18805020016012113522348-18100652351901501602434.58-23125802702201761882834.58-261501003002502042183034.58-262001253753202602823834.512-302501504503853133454234.512-343002205154503644084644.516-34350250580510422465524516-36400280660585474535584516-41A48Y-64201012590516822244-182516140100587822244-183220155110668224244-234025170125769524344-2350321801358810526344-23654016011013028348-2380805021517012114030348-23100652502001501683234.58-261501003452802042403834.58-34A48Y-100201012590516822244-182516140100587824244-183220155110668224244-234025170125769526344-2350321951458811228344-26653222017011013832348-26804023018012114834348-26100502652101501723834.58-30150803552902042504634.512-34
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