产品简介： a38y、a43h、a37h型双联弹簧式安全阀用于工作温度≤350℃的蒸汽、水等介质的设备和管路上。作为超压保护装置。连接法兰标准按jb/t……94的系列1 主要零部件材料说明： a38y、a43h、a37h型安全阀除三通（材料为wcb）外，欺余零件的材料均和a47h、a48y型弹簧式安全阀相同。 a38y、a43h、a37h型双联安全阀是在y型接头上装设两个同样规格的a48y或a47h型安全阀而构成，其公称通径系列指y型接头进口通径，其组合情况如下表： a38y型相应的a48y型5032×28050×210065×2150100×2 a43y型相应的a47y型5032×28050×210080×2125100×2150125×2 a37y型相应的a47y型5032×28065×210080×2125100×2150125×2 外形尺寸和连接尺寸： 型号公称通径dodkgg1bff1z-øddn’d1k1g2b1f’z1-ød1ll1l0hha37h-16c a43h-16c50251651251002034-1832140100781824-1811511016523554780402001601352038-18501651251001634-1813512019028579580502001601352038-18651851451201834-18140130205310835100652201801552238-18802001601352038-18160135255355890125802502101852238-181002201801552238-1817016026041011701501002852402102438-231252502101852238-181901902754301240a37h-25 a43h-2550251651251002034-1832140100781824-1811511016523554780402001601352238-18501651251001634-1813512019028579580502001601352238-18651851451201834-18140130205310835100652301901602438-23802001601352038-18160135255355890125802702201882838-261002201801552238-1817016026041011701501003002502183038-261252502101852238-181901902754301240a37h-40 a43h-4050251651251008820344-1832140100781624-18115110165235547804020016013512122348-18501651251001634-1813512019028579580502001601312122348-18651851451201834-18140130205310835100652351901601502434.58-23802001601352038-18160135255355890125802702201881762834.58-261002201801552238-1817016026041011701501003002502182043034.58-261252502101852238-181901902754301240a38y-16c50201651251002034-1840150110851634-1819810016522563680322001601352038-18651851451202034-18230120190265817100402201801552238-18802001601352038-18293140265265921150802852402102438-231252502101852238-183201752504201097a38y-2550201651251002034-1840150110851634-1819810016522563680322001601352238-18651851451202034-18230120190265817100402301901602438-23802001601352038-18293140265265921150803002502183038-261252502101852238-183201752504201097a38y-4050201651251008820344-1840150110851634-18198100165225636803220016013512122348-18651851451202034-18230120190265817100402351901601502434.58-23802001601352038-18293140265265921150803002502182043034.58-261252502101852238-183201752504201097 加工定制 是 品牌 上海良工阀门 型号 a37h 连接形式 螺纹 材质 碳钢 阀瓣开启高度 全启式安全阀 结构形式 弹簧式 公称通径 dn10-dn2000（mm） 适用介质 蒸汽 标准 国标 流动方向 单向 零部件及配件 配件 形态 旋塞式 压力环境 常压 类型(通道位置) 二通式 阀体构造 不封闭式 规格 dn50