产品概述    1、IH化工泵为单级单吸悬臂式离心泵。其标记，额定性能点和尺寸等效采用国际标准ISO2858-1975（E）、是机械工业部确定取代F型耐腐蚀离心泵的节能，更新换代产品。能满足化工流程中输送有些粘度类似于水的液体。    2、泵输送介质温度一般为-20-105°C，必要时采用适当冷却措施，输送的介质温度可更高。    3、泵的最高工作压力按16bar设计。    4、本系列泵的性能范围（设计点）；流量为1.6-400m3/h时，扬程为5-125m.    5、根据所输送介质对泵腐蚀的情况，用户可选用相适应的触液部分的材质。泵与介质接触的主要零件材质如下表所示：    6、除下表所列材质外，允许用户选用其他所需的适合本系列泵生产的材质，材料及其代号原则上应符合GB2100-80标准的规定。对国家没有规定代号的材质可采用国际通用的材料代号或国内公认的材料代号（如行业和本企业的规定）。    7、IH型化工泵适应区域广泛、如化工、冶金、电力、造纸、食品、医药、制药、合成纤维等行业部门用语输送腐蚀性的或不允许污染的介质。 材质 ZG1CrNi9  ZG1Cr18Ni9  ZG0Cr18Ni12  ZG1Cr18Ni12  ZG1Cr18Mn13 代号 303       305         306          307          402  性能参数泵型号转速 1450r/min转速 2900r/min流量Q扬程H(M)泵效率（%）泵轴功率（kw）汽蚀余量NPSH配用功率（kw）流量Q扬程H(M)泵效率（%）泵轴功率（kw）汽蚀余量NPSH配用功率（kw）(m3/h)(L/S)(m3/h)(L/S)IH50-32-1256.31.745450.190.5512.53.4720511.332.12.2IH50-32-1608400.342.00.5532462.372.23IH50-32-20012.5330.651.150394.362.35.5IH50-32-25020271.272.280338.252.311IH65-50-12512.53.475550.310.55256.9420622.22.23IH65-50-1608510.530.7532573.822.65.5IH65-40-20012.5460.931.550526.552.811IH65-40-25020391.753804611.843.215IH65-40-31532333.35.51253921.83.330IH80-65-125256.945640.532.50.751.55013.8820693.953.05.5IH80-65-1608620.882.232676.53.111IH80-50-20012.5571.492.04506310.82.815IH80-50-25020532.5697.5805719.112.822IH80-50-31532435.0671.51254736.212.545IH100-80-1255013.885740.922.210027.7720777.0743.511IH100-80-1608691.583.43327311.94.315IH100-65-20012.5682.52.55.5507218.93.922IH100-65-25020654.32.511806832.803.637IH100-65-31532587.57.51256254.93.275IH125-100-20010027.7712.5734.662.91120055.55507735.45.045IH125-100-25020727.562.318.5807558.14.575IH125-100-315326812.82371257097.264.5110IH125-100-400506022.6918.5IH150-125-25020055.55207714.12.830IH150-125-315327523.22.855IH150-125-400507038.92.537IH200-150-250400111.1208126.955IH200-150-315327944.13.590IH200-150-400507869.83.5