详细信息：产品介绍：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-160RH71H-160R8H71H-160R3CB/T9112-9124、HG20615-20635、SH3406PN2.0MPaH71H-20C-H71H-20P8H71H-20P3-H71H-20R8H71H-20R3PN5.0MPaH71H-50-H71H-50P8H71H-50P3-H71H-50R8H71H-50R3PN11.0MPaH71H-110-H71H-110P8H71H-110P3-H71H-110R8H71H-110R3PN15.0MPaH71H-150-H71H-150P8H71H-150P3-H71H-150R8H71H-150R3ANSIB16.5Class150H71H-A1C-H71H-A1CP8H71H-A1P3-H71H-A1R8H71H-A1R3Class300H71H-A3-H71H-A3P8H71H-A3P3-H71H-A3R8H71H-A3R3Class600H71H-A6-H71H-A6P8H71H-A6P3-H71H-A6R8H71H-A6R3Class900H71H-A9-H71H-A9P8H71H-A9P3-H71H-A9R8H71H-A9R3主要零件材料阀体WCB(A105)ZG1Cr18Ni9TiCF8(304)CF3(304L)ZG1Cr18Ni12Mo2TiCF8M(316)CF3M(316L)阀瓣2Cr131Cr18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12TMo2i00Cr17Ni12Mo200Cr17Ni14Mo2压圈2Cr131Cr18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12TMo2i00Cr17Ni12Mo200Cr17Ni14Mo2弹簧0Cr18Ni90Cr18Ni90Cr18Ni900Cr19Ni101Cr18Ni12TMo2i00Cr17Ni12Mo200Cr17Ni14Mo2适用工况适月介质水、蒸汽、油品等硝酸等腐蚀性介质强氧化性介质醋酸等腐蚀性介质屎素等腐蚀性介质适用温度（℃）-29～425-196～540-196～425-196～540-196～455注：本表为常规对夹式止回阀的型号编制、主要零件材料及适用工况，其他要求及其型号编制参见对夹式止回阀型号编制方法。五、H71对夹升降式止回阀的主要尺寸及重量：公称压女PNMPa公称通径DNmm尺寸(mm)重量(Kg)配管法兰(供参考)LDD2D3D4)