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1、 多级离心增压泵多级离心增压泵概述： 多级离心增压泵系单吸、多级、节段式离心清水泵，适用于中、低压锅炉给水、工厂、城市高扬程输水。供输送清水或物理、化学性质类似于清水的液体，此两种泵输送介质温度为-20105(DG85-80、200DG43除外，此两种泵输送介质温度为-20105)。泵进口压里不得超过0.59MPa(6kgf/cm2)。多级离心增压泵参数范围：流量Q 6346m3/s扬程H 1021056m多级离心增压泵型号说明：DG25503DG单吸、多级锅炉给水泵25流量(m3/h)50泵单级扬程（m）3泵级数40DG40340泵进口口径（mm）DG单吸、多级锅炉给水泵40泵单级扬程（m）
2、3泵级数多级离心增压泵结构型式：多级离心增压泵的吸入口、吐出口均垂直向上，转子轴向力由平衡盘来平衡。轴封可为填料密封，也可为机械密封。转子的支承仅DG85-80、DG85-67、DG155-67采用滑动轴承，稀油润滑，其它泵均采用滚动轴承。多级离心增压泵旋转方向：从电机端看，泵为顺时针方向旋转。多级离心增压泵主要零件材质：多级离心增压泵的过流部件除DG85-80、200DG43材质为铸钢外，其余泵材质均为铸铁。多级离心增压泵成套范围：成套供应泵、电机、止回阀、闸阀、公用底座或本身底座。参数型号流量Q扬程H转速n轴功率Pa配带电动机效率必须汽蚀余量叶轮名义直径进出口径泵重功率型号m3/sL/sm
3、r/minkwkw%mmmmmkg40DG403610121.72.83.3123120115.529805.827.117.711Y160M1-234.546492.63.32.9170404012540DG404610121.72.83.316416015429807.769.4810.2815Y160M2-234.546492.63.32.9170404014540DG405610121.72.83.3205200192.529809.711.8512.8518.5Y160L-234.546492.63.32.9170404016540DG406610121.72.83.32462402
4、31298011.6414.6215.4218.5Y160L-234.546492.63.32.9170404018540DG407610121.72.83.3287280269.5298013.5816.5917.9922Y180M-234.546492.63.32.9170404020540DG408610121.72.83.3328320308298015.5218.9620.5622Y180M-234.546492.63.32.9170404022540DG409610121.72.83.3369360346.5298017.4621.3323.1330Y200L1-234.54649
5、2.63.32.9170404024540DG4010610121.72.83.3410400385298019.423.725.730Y200L1-234.546492.63.32.91704040265DG25-5031525284.16.97.8154.5150144298014.318.920.330Y200L1-24454542.42.72.81968080270DG25-5041525284.16.97.8206200192298019.125.227.137Y200L2-24454542.42.72.81968080295DG25-5051525284.16.97.8257.52
6、50240298023.931.533.937Y200L2-24454542.42.72.81968080315DG25-5061525284.16.97.8309300288298028.637.840.745Y225M-24454542.42.72.81968080340DG25-5071525284.16.97.8360.5350336298033.444.147.555Y250M-24454542.42.72.8196808036091参数型号流量Q扬程H转速n轴功率Pa配带电动机效率必须汽蚀余量叶轮名义直径进出口径泵重功率型号m3/sL/smr/minkwkw%mmmmmkgDG25
7、-5081525284.16.97.8412400384298038.250.454.275Y280S-24454542.42.72.81968080385DG25-5091525284.16.97.8463.545043229804356.76175Y280S-24454542.42.72.81968080405DG25-50101525284.16.97.8515500480298047.76367.875Y280S-24454542.42.72.81968080430DG25-50111525284.16.97.8566550528298052.569.374.690Y280M-2445
8、4542.42.72.81968080450DG25-50121525284.16.97.8618600576298057.375.681.4110Y315S-24454542.42.72.81968080475DG80-3032643487.211.913.31029083.42980121515.818.5Y160-260706933.94.31628080150DG80-3042643487.211.913.3136120111.2298016202122Y180M-260706933.94.31628080165DG80-3052643487.211.913.3170150139298
9、0202526.330Y200L1-260706933.94.31628080180DG80-3062643487.211.913.3204180166.82980243031.537Y200L2-260706933.94.31628080195DG80-3072643487.211.913.3238210194.62980283536.845Y225M-260706933.94.31628080210DG80-3082643487.211.913.3272240222.4298032404255Y250M-260706933.94.31628080225DG80-3092643487.211
10、.913.3306270250.22980364547.355Y250M-260706933.94.31628080240DG80-30102643487.211.913.33403002782980405052.575Y280S-260706933.94.3162808025592参数型号流量Q扬程H转速n轴功率Pa配带电动机效率必须汽蚀余量叶轮名义直径进出口径泵重功率型号m3/sL/smr/minkwkw%mmmmmkgDG46-5032846507.812.813.9172.5150144298024.829.93137Y200L2-2536363.22.52.832088080270DG46-5042846507.812.813.9230200192298033.139.841.355Y250M-2536363.22.52.832088080295DG46-5052846507.812.813.92
