检测认证人脉交流通讯录
- 产品名称：对夹式止回阀产品型号：H71H系列产品特点： 对夹式止回阀详细资料： 产品型号：H71产品名称：H71H系列对夹式止回阀二、流体力学性能：H71H系列对夹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：H71H系列对夹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、H71H系列对夹式止回阀的型号、材料及主要参数：配管法兰公称压力常规产品型号JB/T74-90
GB9112-9124、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、H71H系列对夹式止回阀的主要尺寸及重量：公称压力
PN
MPa公称通径
DN
mm尺寸(mm)重量
(Kg)配管法兰(供参考)LDD2D3D4D5螺栓孔中心
圆直径Dl螺栓
数量螺栓直径d螺栓
长度LlPN1.0MPa
PN1.6MPa151652152431400.12654M1275201962193040500.24754M1290252270243647580.34854M1290322883314656680.531004M161004031.593395566780.801104M16105 5040108486578901.21254M16125 65461286280951101.81454M16130805014276961101252.21608M1613510065162951151351503.41808M1615012590192110125132-9.02108M16180150106218127150158-142408M20210PN1.0MPa200140273165200208-242958M20240PN1.6MPa200140273165200208-2429512M20240PN2.5MPa151652152431400.12654M1280201962193040500.24754M1290252272243647580.34854M1290322883314656680.531004M161104031.593395566780.801104M161155040108486578901.21254M1612565461286280951101.81458M16135805014276961101282.21608M1614510060168951151351503.81908M2016012590194110125132-9.22208M24205150106224127150158-152508M24225200140284165200208-2631012M24260PN4.0MPa151652152431400.12654M1280201962193040500.24754M1290252272243647580.34854M1290322883314656680.531004M161104031.593395566780.801104M161155040108486578901.21254M1612565461286280951101.81458M16135805014276961101282.21608M1614510060168951151351503.81908M2016012590194110125132-9.22208M24205150106224127150158-152508M24225一、产品[H71H系列对夹式止回阀]的详细资料：
