升降式止回阀目录H41N升降式液化气止回阀H71对夹升降式止回阀不锈钢升降式止回阀-H41W不锈钢升降式止回阀国标升降式止回阀-H41H国标升降式止回阀对夹升降式止回阀-H71W、H71H、H71X对夹升降式止回阀对夹式升降止回阀锻钢Y型升降式止回阀-H41Y锻钢Y型升降式止回阀锻钢升降式止回阀-H61H锻钢升降式止回阀锻钢法兰升降式止回阀-H41Y锻钢法兰升降式止回阀锻钢自密封升降式止回阀-H61H锻钢自密封升降式止回阀高压升降式止回阀-H41W高压升降式止回阀高温高压升降式止回阀-H41Y高温高压升降式止回阀高温高压升降式止回阀H41YH41N升降式液化气止回阀一、产品[升降式止回阀]的详细资料：产品型号：H41N产品名称：升降式止回阀产品特点：该阀门阀瓣利用流体压差和自身的重量实现升降，适用于大部分的罐内水平管路上，自动阻止介质逆流，保护上游设备。二、主要设计参数：设计、制造：GB/T12237-89法兰连接：JB/T79-94、GB9113-2000结构长度：GB12221-89公称通径：DN15~DN200mm公称压力：PN1.6、2.5、4.0MP。三、主要性能参数：公称压力壳体试验密封试验适用介质适宜温度2.53.752.75液化气、天然气等-40~+80℃4.06.04.4四、主要零件材料:阀体、盖板阀瓣密封面WCB碳钢不锈钢和尼龙五、H41N升降式液化气止回阀主要外形尺寸：公称通径DN(mm)H41N-25型主要尺寸（mm）重量LDD1D2bfZ-фdHD3(kg)151309565451624-14100-52015010575551624-14105-72516011585651624-14115100932190135100781824-181201201040200145110851834-1814013515502301601251002034-1815015020652901801451202238-1816017525803101951601352238-18175200321003502301901602438-23200230571254002702201882838-25230273-1504803002502183038-25265330-20060036031027834312-25300365-注：不锈钢止回阀尚有生产，H41W-16/25/40P、H41H-16/25/40、DN15~200尺寸同上表。订货须知：一、①H41N升降式液化气止回阀产品名称与型号②H41N升降式液化气止回阀口径③H41N升降式液化气止回阀是否带附件二、若已经由设计单位选定公司的H41N升降式液化气止回阀型号，请按H41N升降式液化气止回阀型号三、当使用的场合非常重要或环境比较复杂时,请您尽量提供设计图纸和详细参数，相关产品：A42F液化石油气安全阀槽车球阀手摇油泵QDY42F液化气紧急切断阀气动紧急切断阀槽车紧急切断阀J41N型液化气截止阀液化气过滤器液化气篮式过滤器Q41F液化气球阀金属硬密封蝶阀YGB装卸管总成H71对夹升降式止回阀一、产品[对夹升降式止回阀]的详细资料：产品型号：H71产品名称：对夹升降式止回阀产品特点：二、流体力学性能：H71对夹升降式止回阀的体积流量与压力降关系：水的当量体积流量Vw与实际流体的体积流量v按下式换算：式中：Vw一水的当量体积流量．l／s;P一流体密度，kg／m3v一实际流体的体积流量，I／s;v一实际流体的体积流量，I／s。三、流体力学性能：H71对夹双瓣旋启式止回阀的流体阻力系数、流量系数及开启压力：公称通径阀门全开启时的流体阻力系数常温下阀门全开启时的水讲E量系数流体的流向DNNPSKv(m3=／h)CV(U.S)CV(U.K)↑↓→开启压力近似值KPa151/26.42.63.02.5322.5203/45.16.47.56.3322.52544.112.614.812.3322.53211/44.119.723.119.3322.54011/23.829.563.928.9322.55023.554.699.963.5322.56521/23.585.415083.7322.58033.2128286125322.510042.8244286249322.512552.9375439368312.215063.1522611512312.220083.29151070897312.2四、对夹升降式止回阀的型号、材料及主要参数：配管法兰公称压力常规产品型号JB/T74-90GB9112-9124、HG20592-20614PN1.0MPaH71H-10CH71W10PH71W10P8H71W10P3H71W10RH71W10R8H71W10R3PN1.6MPaH71H-16CH71H-16PH71H-16P8H71H-16P3H71H-16RH71H-16R8H71H-16R3PN2.5MPaH71H-25H71H-25PH71H-25P8H71H-25P3H71H-25RH71H-25R8H71H-25R3PN4.0MPaH71H-40H71H-40PH71H-40P8H71H-40P3H71H-40RH71H-40R8H71H-40R3PN6.3MPaH71H-63H71H-63PH71H-63P8H71H-63P3H71H-63RH71H-63R8H71H-63R3PN10.0MPaH71H-100H71H-100PH71H-100P8H71H-100P3H71H-100RH71H-100R8H71H-100R3PN16.0MPaH71H-160H71H-160PH71H-160P8H71H-160P3H71H-1...
