产品工作原理和用途：A37H、A43H、A38Y型双联弹簧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。当设备和管路内压力超过允许值时，阀门自动开启，继而全量排放，当压力降低到规定值时，双联弹簧式安全阀自动关闭，保证设备和管路的安全运行。产品结构特点：1、全启式结构，排量大2、阀瓣处设有反冲盘部件3、带提升扳手可定期检验阀门开启的灵活性 4、整定压力偏差小，可达±3% 5、启闭压差≤15% 6、选用优质的弹簧钢，保证弹簧的寿命和稳定性 7、平面结构的阀瓣和阀座易于维修和重新加工 8、阀盖敞开式设计可用于温度较高的介质产品性能参数：型号铸钢型口径范围DN15～DN400适用温度≤350°C适用介质水、蒸汽、油品产品主要零件材料：NO.零件名称A37H型材料A43H、型材料A38Y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包覆氟塑料产品主要尺寸：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5032×28050×210065×2150100×2A43Y型相应的A47Y型5032×28050×210080×2125100×2150125×2A37Y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-?dDN"D1K1g2b1f"Z1-?d1LL1L0hHA37H-16C A43H-16C50251651251002034-1832140100781824-1811511016523554780402001601352038-18501651251001634-1813512019028579580502001601352038-18651851451201834-18140130205310835100652201801552238-18802001601352038-18160135255355890125802502101852238-181002201801552238-1817016026041011701501002852402102438-231252502101852238-181901902754301240A37H-25 A43H-2550251651251002034-1832140100781824-1811511016523554780402001601352238-18501651251001634-1813512019028579580502001601352238-18651851451201834-18140130205310835100652301901602438-23802001601352038-18160135255355890125802702201882838-261002201801552238-18170160260410117015010030025021832101852238-181901902754301240A37H-40 A43H-4050251651251008820344-1832140100781624-18115110165235547804020016013512122348-18501651251001634-18135120190285795805020016013512122348-18651851451201834-18140130205310835100652351901601502434.58-23802001601352038-18160135255355890125802702201881762834.58-261002201801552238-1817016026041011701501003002502182043034.58-261252502101852238-181901902754301240A38Y-16C50201651251002034-1840150110851634-1819810016522563680322001601352038-18651851451202034-18230120190265817100402201801552238-18802001601352038-18293140265265921150802852402102438-231252502101852238-183201752504201097A38Y-2550201651251002034-1840150110851634-1819810016522563680322001601352238-18651851451202034-18230120190265817100402301901602438-23802001601352038-182931402652659211508030025021832101852238-183201752504201097A38Y-4050201651251008820344-1840150110851634-18198100165225636803220016013512122348-18651851451202034-18230120190265817100402351901601502434.58-23802001601352038-18293140265265921150803002502182043034.58-261252502101852238-183201752504201097
$n
n产品型号A38Y-16C、A38Y-25、A38Y-40A37H-16C、A37H-25、A37H-40A43H-16C、A43H-25、A43H-40产品概述本阀门适用于工作温度≤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5032×28050×210065×2150100×2A43Y型相应的A47Y型5032×28050×210080×2125100×2150125×2A37Y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-dDN\＇D1K1g2b1f\＇Z1-d1LL1L0hHA37H-16C A43H-16C50251651251002034-1832140100781824-1811511016523554780402001601352038-18501651251001634-1813512019028579580502001601352038-18651851451201834-18140130205310835100652201801552238-18802001601352038-18160135255355890125802502101852238-181002201801552238-1817016026041011701501002852402102438-231252502101852238-181901902754301240A37H-25 A43H-2550251651251002034-1832140100781824-1811511016523554780402001601352238-18501651251001634-1813512019028579580502001601352238-18651851451201834-18140130205310835100652301901602438-23802001601352038-18160135255355890125802702201882838-261002201801552238-18170160260410117015010030025021832101852238-181901902754301240A37H-40 A43H-4050251651251008820344-1832140100781624-18115110165235547804020016013512122348-18501651251001634-18135120190285795805020016013512122348-18651851451201834-18140130205310835100652351901601502434.58-23802001601352038-18160135255355890125802702201881762834.58-261002201801552238-1817016026041011701501003002502182043034.58-261252502101852238-181901902754301240A38Y-16C50201651251002034-1840150110851634-1819810016522563680322001601352038-18651851451202034-18230120190265817100402201801552238-18802001601352038-18293140265265921150802852402102438-231252502101852238-183201752504201097A38Y-2550201651251002034-1840150110851634-1819810016522563680322001601352238-18651851451202034-18230120190265817100402301901602438-23802001601352038-182931402652659211508030025021832101852238-183201752504201097A38Y-4050201651251008820344-1840150110851634-18198100165225636803220016013512122348-18651851451202034-18230120190265817100402351901601502434.58-23802001601352038-18293140265265921150803002502182043034.58-261252502101852238-183201752504201097
$n
n产品型号A38Y-16C、A38Y-25、A38Y-40A37H-16C、A37H-25、A37H-40A43H-16C、A43H-25、A43H-40产品概述本阀门适用于工作温度≤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5032×28050×210065×2150100×2A43Y型相应的A47Y型5032×28050×210080×2125100×2150125×2A37Y型相应的A47Y型5032×28065×210080×2125100×2150125×2
$n
n此阀门是在一个Y型接头上装两个同样型号规格的安全阀，其公称通径是指Y型接头进口通径。该阀适用于工作温度≤350℃的蒸汽、空气等介质的设备或管道上，当设备或管道内压力超过允许值时，阀门自动开启，继而全量排放，当压力降至规定值时，阀门自动关闭，保证设备安全运行。双联弹簧式安全阀（A38Y,A43H,A37H）适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上。当设备和管路内压力超过允许值时，阀门自动开启，继而全量排放，当压力降低到规定值时，阀门自动关闭，保证设备和管路的安全运行。说明，该阀门是在一个Y型接头上装设两个同样型号规格的安全阀，其公称通径是指Y型接头进口通径，组合情况如下：主要部件材料说明：A38Y、A43H、A37H型安全阀除三通材料为WCB外，其余零件的材料均和A47H、A48Y型弹簧式安全阀相同。
$n
n产品主要性能参数型号整定压力范围/Mpa排放压力/Mpa回座压力/Mpa密封试验压力/Mpa开启高度/Mpa适用介质适用温度℃排量系数A38Y-16C0.1-1.6≤1.1倍整定压力≥85%整定压力整定压力≥0.3时为0.9*整定压力≥1/4喉径空气、热无腐蚀性气体等≤3500.7A38Y-251.3-2.38Y-401.6-4.0A38Y-642.5-6.4产品主要零部件材料零件名称阀体、弹簧座、弹簧导向垫弹簧调节螺杆阀体阀盖材料碳素铸钢2Cr1350CrVA不锈钢碳素铸钢或球铁产品主要尺寸A38Y-16C65201651251002034-1840150110851634-1819810016522563680322001601352038-18651851451202034-18230120190265817100402201801552238-18802001601352038-18293140265265921150802852402102438-231252502101852238-183201752504201097A38Y-2565201651251002034-1840150110851634-1819810016522563680322001601352238-18651851451202034-18230120190265817100402301901602438-23802001601352038-182931402652659211508030025021832101852238-183201752504201097A38Y-4065201651251008820344-1840150110851634-18198100165225636803220016013512122348-18651851451202034-18230120190265817100402351901601502434.58-23802001601352038-18293140265265921150803002502182043034.58-261252502101852238-183201752504201097
$n
