一、H41升降式止回阀主要用途升降式止回阀选用于公称压力PN1.6～6.4MPa,工作温度-29～550℃的石油、化工、火力电站等各种工况的管路上。适用介质为：水、油品、蒸汽等。二、H41升降式止回阀结构与特点1、选材考究，符合国内、外相关标准，材料的*面质量高。2、密封副配对先*合理，阀瓣、阀座密封面采用铁基合金或司太立（Stellite）钴基硬质合金堆焊面成，耐磨、耐高温、耐腐蚀、抗擦伤性能好，使用寿命长。3、产品按标准GB/T12235设计制造。4、可采用各种配管法兰标准及法兰密封型式，满足各种工程需要及用户要求。5、阀体材料品种齐全，垫片可根据实际工况或用户要求合理选配，能适用于各种压力、温度及介质工况。可按用户要求设计制造不同结构形式和连接形式的止回阀，为各种设备配套使用。三、H41升降式止回阀应用范围设计与制造GB/T12235连接端尺寸结构长度GB/T12221法兰尺寸JB/T79检验与试验JB/T9092材料碳钢GB/T12229不锈钢GB/T12230合金钢Q/ZB66标志GB/T12220供货JB/T7928四、H41升降式止回阀主要零件材料及主要用途阀体阀盖阀瓣阀座适用介质适用温度(≤℃)WCBWCB+D507MoWCB+D577水、油品、蒸汽425ZG1Cr18Ni9Ti0Cr18Ni9+Stellite120Cr18Ni9+Stellite6*酸类200ZG1Cr18Ni2Mo2TiCF8M+Stellite12ZG1Cr18Ni2Mo2Ti*酸、*酸类、混酸200ZG00Cr17Ni14Mo2CF3M+Stellite12CF3M+Stellite6尿素、**液、*酸200ZG1Cr5MoZG1Cr5Mo+Stellite12ZG1Cr5Mo+Stellite6水、油品、蒸汽550五、H41升降式止回阀主要外形尺寸和连接尺寸（mm）DNLDDlD2bZ一φdHWT(Kg)H41H一16CH41Y一16CH41Y一16PH41Y一16RH41Y一16115130956545144一φ14773201501057555144一φ14774251601158565144一φ148053218013510078164一φ188574020014511085164一φ1895950230160125100164一φ181051065290180145120184一φ181202080310195160135208一φ1813030100350215180155208一φ1814039125400245210185228一φ1815550150480280240210248一φ23180702006003352952652612一φ232112312507304053553203012一φ2526025l3008504604103753412一φ25323395H41H一25H41Y一25H41Y一25PH41Y一25RH41Y一25115130956545164一φ141003．4201501057555164一φ141055251601158565164一φ141205．73218013510078184一φ181309．14020014511085184一φ1813511．850230160125100204一φ1814914．465290180145120228一φ181602380310195160135228一φ1816930100350230190160248一φ2319444125400270220180288一φ2522265150480300250218308一φ25255992006003603102783412一φ253051902507304253703323612一φ303553233008504854303904016一φ30410450通径DNLDD1D2D6bZ一φdHWT(Kg)H41H一40H41Y一40H41Y一40PH4lY一40RH41Y一4011513095654540164一φ14100420150105755551164一φ141055．525160115856558164一φ141206321801351007866184一φ1813012402001451108576184一φ18135145023016012510088204一φ181491865290180145120110228一φ181602780310195160135121228一φ1816936100350230190160150248一φ2319450125400270220188176288一φ2522575120480300250218204308一φ252551192006003753202822603812一φ303052172507304453853453134212一φ343603653008505104504083644612一φ34415310通径DNLDD1D2D6bZ一φdHWT(Kg)H41H一64H4lY一64H41Y一64PH41Y一64RH41Y一64115210105755540184一φ14100720230125906851204一φ18110ll252301351007858224一φ1812513322601501108266244一φ2314014402601651259576244一φ23168205030017513510588264一φ231702365340200160130110288一φ231883780380210170140121308一φ2320546100430250200168150328一φ2523068125500295240202176368一φ3023089150550340280240204388一φ342651312006504053453002604412一φ34310235)