一、多级离心泵,卧式多级离心泵,多级泵产品概述
  D、DG型泵系卧式、单吸多级、分段式离心泵。具有效率高、性能范围广、运行安全平稳、噪音低、寿命长、安装维修方便等特点。供输送清水或物理化学性质类似于水的其它液体。也可以通过改变泵过流部件材质、密封形式和增加冷却系统用于输送热水、油类、腐蚀性或含磨粒的介质。产品执行JB/T1051-93《多级清水离心泵型式与基本参数》标准。本司产品全部采用计算机设计和优化处理,公司拥有雄厚的技术力量、丰富的生产经验和完善的检测手段,从而保证产品质量的稳定可靠。
  二、多级离心泵,卧式多级离心泵,多级泵产品特点
  1、水力模型先进,效率高,性能范围广。
  2、泵运行平稳,噪音低。
  3、轴封采用软填料密封或机械密封,密封安全可靠、结构简单,维修方便快捷。
  4、轴为全封结构,确保了不与介质接触,不锈蚀,使用寿命长。
  三、多级离心泵,卧式多级离心泵,多级泵适用范围
  适用于工业和城市给排水、高层建筑增压供水,园林喷灌、消防增压、远距离送水、采暖、浴室等冷暖水循环增压及设备配套等,尤其适用于小型锅炉给水。
  四、多级离心泵,卧式多级离心泵,多级泵型号意义
  D(DG) 46 - 50×12
  D(DG)– 分段式锅炉给水离心泵
  46 – 设计流量(m3/h)
  50 – 单级扬程(m)
  12 – 级数
  五、多级离心泵,卧式多级离心泵,多级泵性能参数
  |                型 号                |                              级数                |                              流量Q                |                              扬程               (m)  |                              转速               (r/min)  |                              电机功率               (KW)                |           |
|                m3/h                |                              L/S                |           |||||
|                D-50型                |                              2                |                              18                |                              5                |                              19                |                              2900                |                              2.2                |           
|                3                |                              18                |                              5                |                              28.5                |                              2900                |                              3                |           |
|                4                |                              18                |                              5                |                              38                |                              2900                |                              4                |           |
|                5                |                              18                |                              5                |                              47.5                |                              2900                |                              5.5                |           |
|                6                |                              18                |                              5                |                              57                |                              2900                |                              5.5                |           |
|                7                |                              18                |                              5                |                              66.5                |                              2900                |                              7.5                |           |
|                8                |                              18                |                              5                |                              76                |                              2900                |                              7.5                |           |
|                9                |                              18                |                              5                |                              85.5                |                              2900                |                              7.5                |           |
|                10                |                              18                |                              5                |                              95                |                              2900                |                              11                |           |
|                11                |                              18                |                              5                |                              104.5                |                              2900                |                              11                |           |
|                12                |                              18                |                              5                |                              114                |                              2900                |                              11                |           |
|                D-80型                |                              2                |                              32.4                |                              9                |                              22.7                |                              2900                |                              3                |           
|                3                |                              32.4                |                              9                |                              34.05                |                              2900                |                              5.5                |           |
|                4                |                              32.4                |                              9                |                              45.4                |                              2900                |                              7.5                |           |
|                5                |                              32.4                |                              9                |                              56.75                |                              2900                |                              7.5                |           |
|                6                |                              32.4                |                              9                |                              68.1                |                              2900                |                              11                |           |
|                7                |                              32.4                |                              9                |                              79.45                |                              2900                |                              15                |           |
|                8                |                              32.4                |                              9                |                              90.8                |                              2900                |                              15                |           |
|                9                |                              32.4                |                              9                |                              102.15                |                              2900                |                              15                |           |
|                10                |                              32.4                |                              9                |                              113.5                |                              2900                |                              18.5                |           |
|                11                |                              32.4                |                              9                |                              124.85                |                              2900                |                              18.5                |           |
|                12                |                              32.4                |                              9                |                              136.2                |                              2900                |                              18.5                |           |
|                D-100型                |                              2                |                              54                |                              15                |                              35.4                |                              2900                |                              11                |           
|                3                |                              54                |                              15                |                              52.8                |                              2900                |                              15                |           |
|                4                |                              54                |                              15                |                              70.4                |                              2900                |                              18.5                |           |
|                5                |                              54                |                              15                |                              88                |                              2900                |                              22                |           |
|                6                |                              54                |                              15                |                              105.6                |                              2900                |                              30                |           |
|                7                |                              54                |                              15                |                              123.2                |                              2900                |                              37                |           |
|                8                |                              54                |                              15                |                              140.8                |                              2900                |                              37                |           |
|                9                |                              54                |                              15                |                              158.4                |                              2900                |                              45                |           |
|                10                |                              54                |                              15                |                              176                |                              2900                |                              45                |           |
|                11                |                              54                |                              15                |                              193.6                |                              2900                |                              55                |           |
|                12                |                              54                |                              15                |                              211.2                |                              2900                |                              55                |           |
|                D-125型                |                              2                |                              108                |                              30                |                              40                |                              2900                |                              22                |           
|                3                |                              108                |                              30                |                              60                |                              2900                |                              30                |           |
|                4                |                              108                |                              30                |                              80                |                              2900                |                              37                |           |
|                5                |                              108                |                              30                |                              100                |                              2900                |                              45                |           |
|                6                |                              108                |                              30                |                              120                |                              2900                |                              55                |           |
|                7                |                              108                |                              30                |                              140                |                              2900                |                              55                |           |
|                8                |                              108                |                              30                |                              160                |                              2900                |                              75                |           |
|                9                |                              108                |                              30                |                              180                |                              2900                |                              75                |           |
|                10                |                              108                |                              30                |                              200                |                              2900                |                              90                |           |
|                11                |                              108                |                              30                |                              220                |                              2900                |                              90                |           |
|                12                |                              108                |                              30                |                              240                |                              2900                |                              110                |           |
|                D-150型                |                              2                |                              162                |                              45                |                              54.6                |                              2900                |                              37                |           
|                3                |                              162                |                              45                |                              81.9                |                              2900                |                              55                |           |
|                4                |                              162                |                              45                |                              109.2                |                              2900                |                              75                |           |
|                5                |                              162                |                              45                |                              136.5                |                              2900                |                              90                |           |
|                6                |                              162                |                              45                |                              163.8                |                              2900                |                              110                |           |
|                7                |                              162                |                              45                |                              191.1                |                              2900                |                              132                |           |
|                8                |                              162                |                              45                |                              218.4                |                              2900                |                              160                |           |
|                9                |                              162                |                              45                |                              245.7                |                              2900                |                              160                |           |
|                型 号                |                              级               数                |                              流量Q                |                              扬程               (m)                |                              转速               (r/min)                |                              功率n(千瓦)                |                              允许汽               蚀余量               (m)                |                              效率               (%)                |                              叶轮               直经               (mm)                |           ||
|                m3/h                |                              (l/s)                |                              轴功率                |                              电机               功率                |           |||||||
|                D6-25               DG6-25               DGR6-25                |                              3                |                              6.3                |                              1.75                |                              75                |                              2950                |                              2.86                |                              5.5                |                              2                |                              45                |                              138                |           
|                4                |                              100                |                              3.81                |                              7.5                |           |||||||
|                5                |                              125                |                              4.77                |                              7.5                |           |||||||
|                6                |                              150                |                              5.72                |                              11                |           |||||||
|                7                |                              175                |                              6.67                |                              11                |           |||||||
|                8                |                              200                |                              7.63                |                              15                |           |||||||
|                9                |                              225                |                              8.58                |                              15                |           |||||||
|                10                |                              250                |                              9.53                |                              18.5                |           |||||||
|                11                |                              275                |                              10.5                |                              18.5                |           |||||||
|                12                |                              300                |                              11.44                |                              18.5                |           |||||||
|                D12-25               DG12-25               DGR12-25                |                              3                |                              12.5                |                              3.47                |                              75                |                              2950                |                              4.73                |                              7.5                |                              2                |                              54                |                              146                |           
|                4                |                              100                |                              6.3                |                              11                |           |||||||
|                5                |                              125                |                              7.88                |                              11                |           |||||||
|                6                |                              150                |                              9.46                |                              15                |           |||||||
|                7                |                              175                |                              11                |                              15                |           |||||||
|                8                |                              200                |                              12.61                |                              18.5                |           |||||||
|                9                |                              225                |                              14.18                |                              18.5                |           |||||||
|                10                |                              250                |                              15.67                |                              22                |           |||||||
|                11                |                              275                |                              17.34                |                              22                |           |||||||
|                12                |                              300                |                              18.9                |                              30                |           |||||||
|                D25-30               DG25-30               DGR25-30                |                              3                |                              25                |                              6.94                |                              90                |                              2950                |                              9.88                |                              15                |                              2.2                |                              62                |                              160                |           
|                4                |                              120                |                              13.1                |                              18.5                |           |||||||
|                5                |                              150                |                              16.47                |                              22                |           |||||||
|                6                |                              180                |                              19.77                |                              30                |           |||||||
|                7                |                              210                |                              23.1                |                              30                |           |||||||
|                8                |                              240                |                              26.4                |                              37                |           |||||||
|                9                |                              270                |                              29.65                |                              37                |           |||||||
|                10                |                              300                |                              32.9                |                              45                |           |||||||
|                D46-30               DG46-30               DGR46-30                |                              3                |                              46                |                              12.8                |                              90                |                              2950                |                              16.11                |                              22                |                              70                |                              3.0                |                              164                |           
|                4                |                              120                |                              21.48                |                              30                |           |||||||
|                5                |                              150                |                              26.85                |                              37                |           |||||||
|                6                |                              180                |                              32.21                |                              37                |           |||||||
|                7                |                              210                |                              37.58                |                              45                |           |||||||
|                8                |                              240                |                              42.95                |                              55                |           |||||||
|                9                |                              270                |                              48.32                |                              55                |           |||||||
|                10                |                              300                |                              53.69                |                              75                |           |||||||
|                D25-50               DG25-50               DGR25-50                |                              3                |                              25                |                              6.94                |                              150                |                              2950                |                              18.9                |                              30                |                              54                |                              2.7                |                              196                |           
|                4                |                              200                |                              25.2                |                              30                |           |||||||
|                5                |                              250                |                              31.5                |                              37                |           |||||||
|                6                |                              300                |                              37.8                |                              45                |           |||||||
|                7                |                              350                |                              44.1                |                              55                |           |||||||
|                8                |                              400                |                              50.4                |                              75                |           |||||||
|                9                |                              450                |                              56.7                |                              75                |           |||||||
|                10                |                              500                |                              63.0                |                              75                |           |||||||
|                11                |                              550                |                              69.3                |                              90                |           |||||||
|                12                |                              600                |                              75.6                |                              110                |           |||||||
|                D46-50               DG46-50               DGR46-50                |                              3                |                              46                |                              12.8                |                              150                |                              2950                |                              29.83                |                              37                |                              63                |                              2.8                |                              210                |           
|                4                |                              200                |                              39.77                |                              45                |           |||||||
|                5                |                              250                |                              49.11                |                              55                |           |||||||
|                6                |                              300                |                              59.65                |                              75                |           |||||||
|                7                |                              350                |                              69.6                |                              90                |           |||||||
|                8                |                              400                |                              79.48                |                              90                |           |||||||
|                9                |                              450                |                              89.48                |                              110                |           |||||||
|                10                |                              500                |                              99.42                |                              110                |           |||||||
|                11                |                              550                |                              109.36                |                              132                |           |||||||
|                12                |                              600                |                              119.36                |                              132                |           |||||||





