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ISGD低转速管道泵
ISGD立式低转速管道离心泵(简称:ISGD低转速管道泵)是在ISG管道离心泵型基础上并参照IS型离心泵的性能参数,根据管道式离心泵的独特结构组合设计制造的低转速型产品。低转速管道泵采用国内水泵专家提供的最先进水力模型,高效节能,性能可靠,深受国内外客商的赞益。立式低转速管道泵的主要特点:ISGD型低转速管道泵是在ISG型立式管道离心泵基础上配用低转速电机,大幅度降低了运行噪音,成倍延长易损件命名用寿命,最适用于空调循环及采暖循环和各种循环系统末端增压。创新设计的立式结构使其占地面积和占用空间更少,使用更方便。
ISGD立式低转速管道离心泵产品图
ISGD低转速管道泵主要用途
上海美言壹泵阀有限公司生产的ISGD型立式低转速管道离心泵:主要用于空调系统冷冻水,冷却水循环及末端增压,城市供热系统局部或末端增压循环,及城市建筑消防系统局部恒压及各种空调热水锅炉配套。
ISGD低转速管道泵工作条件
ISGD型电机0.75kw以上泵系统最高工作压力为1.6MPa即泵吸入口压力+泵扬程≤1.6MPa,泵静压试验压力为2.5MPa,0.75kw以下泵系统最高工作压力为0.8MPa。
订货时请注明系统工作压力,泵系统工作压力大于1.6MPa时,应在订货时另行提出,以便在制造时泵的过流部分和联接部分采用铸钢材料。
ISGD泵介质为冷热水或物理化学性质类似于水的液体,介质温度不超过120℃。
ISGD低转速管道泵外形结构图
外形结构零部件名称:1、泵体2、叶轮3、叶轮螺母4、螺塞5、泵盖6、机械密封7、挡水圈8、电机
ISGD低转速管道泵性能参数
型号 | 流量 | 扬程m | 效率% | 转速r/min | 电机功率KW | 必需汽蚀余量 | 重量㎏ | 型号 | 流量 | 扬程m | 效率% | 转速r/min | 电机功率KW | 必需汽蚀余量 | 重量㎏ | |||
m3/h | l/S | m3/h | l/S | |||||||||||||||
40-100 | 2.23.24.2 | 0.610.891.17 | 3.332.8 | 48 | 1400 | 0.12 | 2.5 | 17 | 40-250(Ⅰ) | 3.86.37.5 | 1.061.752.08 | 20.52019.5 | 32 | 1450 | 1.5 | 2.5 | 54 | |
40-125 | 2.23.24.2 | 0.610.891.17 | 5.554.5 | 40 | 1400 | 0.18 | 2.5 | 19 | 40-250(Ⅰ)A | 3.45.66.7 | 0.941.561.86 | 16.41615.6 | 32 | 1450 | 1.1 | 2.5 | 49 | |
40-125A | 2.02.83.7 | 0.560.781.03 | 4.443.6 | 39 | 1400 | 0.12 | 2.5 | 19 | 40-250(Ⅰ)B | 3.15.16.1 | 0.861.421.69 | 13.21312.5 | 30 | 1450 | 0.75 | 2.5 | 42 | |
40-160 | 2.23.24.2 | 0.610.891.17 | 8.587.5 | 36 | 1400 | 0.25 | 2.5 | 24 | 50-100 | 3.86.37.5 | 1.061.752.08 | 3.432.8 | 54 | 1400 | 0.12 | 2.5 | 19 | |
40-160A | 2.02.83.7 | 0.560.781.03 | 6.86.46 | 35 | 1400 | 0.18 | 2.5 | 22 | 50-125 | 3.86.37.5 | 1.061.752.08 | 5.45.04.6 | 54 | 1400 | 0.25 | 2.5 | 25 | |
40-200 | 2.23.24.2 | 0.610.891.17 | 1312.512 | 31 | 1450 | 0.55 | 2.5 | 38 | 50-125A | 3.45.66.7 | 0.941.561.86 | 4.34.03.7 | 52 | 1400 | 0.18 | 2.5 | 19 | |
40-200A | 2.02.83.7 | 0.560.781.03 | 10.4109.6 | 30 | 1400 | 0.37 | 2.5 | 30 | 50-160 | 3.86.37.5 | 1.061.752.08 | 8.58.07.5 | 47 | 1450 | 0.55 | 2.5 | 42 | |
40-250 | 2.23.24.2 | 0.610.891.17 | 20.52018.5 | 25 | 1450 | 1.1 | 2.5 | 52 | 50-160A | 3.05.16.1 | 0.731.421.69 | 5.65.34.9 | 45 | 1400 | 0.25 | 2.5 | 37 | |
40-250A | 2.02.83.7 | 0.560.781.03 | 16.41615 | 25 | 1450 | 0.75 | 2.5 | 47 | 50-200 | 3.86.37.5 | 1.061.752.08 | 13.112.512 | 40 | 1450 | 0.75 | 2.5 | 48 | |
40-250B | 1.62.33.4 | 0.440.640.94 | 13.21312 | 24 | 1450 | 0.55 | 2.5 | 46 | 50-200A | 3.35.56.5 | 0.921.531.81 | 109.59 | 39 | 1450 | 0.55 | 2.5 | 46 | |
40-100(Ⅰ) | 3.86.37.5 | 1.061.752.08 | 3.432.8 | 54 | 1400 | 0.12 | 2.5 | 17 | 50-250 | 3.86.37.5 | 1.061.752.08 | 20.52019.5 | 32 | 1450 | 1.5 | 2.5 | 58 | |
40-125(Ⅰ) | 3.86.37.5 | 1.061.752.08 | 5.45.04.6 | 54 | 1400 | 0.25 | 2.5 | 29 | 50-250A | 3.45.66.7 | 0.941.561.86 | 16.41615.6 | 32 | 1450 | 1.1 | 2.5 | 50 | |
40-125(Ⅰ)A | 3.45.66.7 | 0.941.561.86 | 4.34.03.7 | 52 | 1400 | 0.18 | 2.5 | 24 | 50-250B | 3.15.16.1 | 0.861.421.69 | 13.21312.5 | 30 | 1450 | 0.75 | 2.5 | 49 | |
40-160(Ⅰ) | 3.86.37.5 | 1.061.752.08 | 8.57.07.5 | 47 | 1450 | 0.55 | 2.5 | 43 | 50-100(Ⅰ) | 7.512.515 | 2.083.474.17 | 3.532.5 | 63 | 1400 | 0.25 | 2.5 | 23 | |
40-160(Ⅰ)A | 3.05.16.1 | 0.831.421.69 | 5.65.34.9 | 45 | 1400 | 0.25 | 2.5 | 30 | 50-125(Ⅰ) | 7.512.515 | 2.083.474.17 | 5.45.04.7 | 63 | 1400 | 0.37 | 2.5 | 34 | |
40-200(Ⅰ) | 3.86.37.5 | 1.061.752.08 | 13.112.512 | 40 | 1450 | 0.75 | 2.5 | 45 | 50-125(Ⅰ)A | 6.611.013.2 | 1.833.063.67 | 4.13.83.6 | 60 | 1400 | 0.25 | 2.5 | 33 | |
40-200(Ⅰ)A | 3.35.56.5 | 0.921.531.81 | 109.59 | 39 | 1450 | 0.55 | 2.5 | 44 | 50-160(Ⅰ) | 7.512.515 | 2.083.474.17 | 8.887.2 | 59 | 1450 | 0.55 | 2.8 | 46 |
ISGD低转速管道泵性能参数表2
型号 | 流量 | 扬程m | 效率% | 转速r/min | 电机功率KW | 必需汽蚀余量 | 重量㎏ | 型号 | 流量 | 扬程m | 效率% | 转速r/min | 电机功率KW | 必需汽蚀余量 | 重量㎏ | |||
m3/h | l/S | m3/h | l/S | |||||||||||||||
50-160(Ⅰ)A | 6.510.813.0 | 1.813.03.61 | 6.665.4 | 57 | 1400 | 0.37 | 2.8 | 34 | 65-250A | 7.011.714.1 | 1.943.253.92 | 18.417.617 | 44 | 1450 | 1.5 | 2.8 | 68 | |
50-200(Ⅰ) | 7.512.515 | 2.083.474.17 | 13.212.511.8 | 54 | 1450 | 1.1 | 2.8 | 52 | 65-250B | 6.110.212.3 | 1.692.833.42 | 14.113.413.0 | 43 | 1450 | 1.1 | 2.8 | 63 | |
50-200(Ⅰ)A | 6.811.313.5 | 1.893.143.75 | 10.710.19.6 | 53 | 1450 | 0.75 | 2.8 | 48 | 65-315 | 7.512.515 | 2.083.474.17 | 32.33231.7 | 36 | 1450 | 4.0 | 2.8 | 89 | |
50-250(Ⅰ) | 7.512.515 | 2.083.474.47 | 212019.4 | 45 | 1450 | 2.2 | 2.8 | 73 | 65-315A | 711.714 | 1.943.253.92 | 28.12827.6 | 36 | 1450 | 3.0 | 2.8 | 85 | |
50-250(Ⅰ)A | 7.011.714.1 | 1.943.253.92 | 18.417.617 | 44 | 1450 | 1.5 | 2.8 | 65 | 65-315B | 6.110.112.1 | 1.692.813.36 | 21.22120.8 | 34 | 1450 | 3.0 | 2.8 | 82 | |
50-250(Ⅰ)B | 6.110.212.3 | 1.692.833.42 | 14.113.413.0 | 43 | 1450 | 1.1 | 2.8 | 60 | 65-100(Ⅰ) | 152530 | 4.176.948.33 | 3.532.5 | 70 | 1400 | 0.37 | 2.8 | 33 | |
50-315(Ⅰ) | 7.512.515 | 2.083.474.17 | 32.33231.7 | 36 | 14500 | 4.0 | 2.8 | 89 | 65-125(Ⅰ) | 152530 | 4.176.948.33 | 5.654.5 | 70 | 1450 | 0.75 | 2.8 | 49 | |
50-315(Ⅰ)A | 711.714 | 1.943.253.92 | 28.12827.6 | 36 | 1450 | 3.0 | 2.8 | 84 | 65-125(Ⅰ)A | 13.121.826.1 | 3.056.057.25 | 4.33.83.4 | 65 | 1450 | 0.55 | 2.8 | 48 | |
50-315(Ⅰ)B | 6.110.212.1 | 1.692.813.36 | 21.22120.8 | 34 | 1450 | 3.0 | 2.8 | 82 | 65-160(Ⅰ) | 152530 | 4.176.948.33 | 987.2 | 68 | 1450 | 1.1 | 2.8 | 54 | |
65-100 | 7.512.515 | 2.083.474.17 | 3.532.5 | 63 | 1400 | 0.25 | 2.8 | 29 | 65-160(Ⅰ)A | 13.021.625.9 | 3.616.07.19 | 6.76.05.4 | 65 | 1450 | 0.75 | 2.8 | 48 | |
65-125 | 7.512.515 | 2.083.474.17 | 5.45.04.7 | 63 | 1400 | 0.37 | 2.8 | 32 | 65-200(Ⅰ) | 152530 | 4.176.948.33 | 13.212.511.8 | 64 | 1450 | 2.2 | 2.8 | 71 | |
5-125A | 6.611.013.2 | 1.833.063.67 | 4.13.83.6 | 60 | 1400 | 0.25 | 2.8 | 27 | 65-200(Ⅰ)A | 14.023.327.9 | 3.896.477.75 | 11.510.910.2 | 63 | 1450 | 1.5 | 2.8 | 62 | |
65-160 | 7.512.515 | 2.083.474.17 | 8.887.2 | 59 | 1450 | 0.55 | 2.8 | 46 | 65-250(Ⅰ) | 152530 | 4.176.948.33 | 212018.8 | 59 | 1450 | 3.0 | 2.8 | 85 | |
65-160A | 6.510.813.0 | 1.813.03.61 | 6.665.4 | 57 | 1400 | 0.37 | 2.8 | 35 | 65-250(Ⅰ)A | 13.322.226.6 | 3.696.177.39 | 16.615.814.8 | 58 | 1450 | 2.2 | 2.8 | 80 | |
65-200 | 7.512.515 | 2.083.474.17 | 13.212.511.8 | 54 | 1450 | 1.1 | 2.8 | 52 | 65-250(Ⅰ)B | 11.919.823.8 | 3.315.56.61 | 13.212.611.8 | 57 | 1450 | 1.5 | 2.8 | 74 | |
65-200A | 6.811.313.5 | 1.893.143.75 | 10.710.19.3 | 53 | 1450 | 0.75 | 2.8 | 48 | 65-315(Ⅰ) | 152530 | 4.176.948.33 | 32.53231.5 | 50 | 1450 | 5.5 | 2.8 | 120 | |
65-250 | 7.512.515 | 2.083.474.17 | 212019.4 | 45 | 1450 | 2.2 | 2.8 | 76 | 65-315(Ⅰ)A | 142328 | 3.896.397.78 | 28.327.927.4 | 50 | 1450 | 4.0 | 2.8 | 110 |
ISGD低转速管道泵性能参数表3
型号 | 流量 | 扬程m | 效率% | 转速r/min | 电机功率KW | 必需汽蚀余量 | 重量㎏ | 型号 | 流量 | 扬程m | 效率% | 转速r/min | 电机功率KW | 必需汽蚀余量 | 重量㎏ | |||
m3/h | l/S | m3/h | l/S | |||||||||||||||
65-315(Ⅰ)B | 12.120.224.2 | 3.365.616.75 | 21.32120.6 | 49 | 1450 | 3.0 | 2.8 | 100 | 80-160(Ⅰ) | 305060 | 8.3313.8916.67 | 9.286.8 | 73 | 1450 | 2.2 | 3.0 | 82 | |
80-100 | 152530 | 4.176.948.33 | 3.532.5 | 70 | 1450 | 0.37 | 2.8 | 33 | 80-160(Ⅰ)A | 26.744.553.4 | 7.4212.3614.83 | 7.36.35.4 | 71 | 1450 | 1.5 | 3.0 | 74 | |
80-125 | 152530 | 4.176.948.33 | 5.654.5 | 70 | 1450 | 0.75 | 2.8 | 48 | 80-200(Ⅰ) | 305060 | 8.3313.8916.67 | 13.512.511.8 | 72 | 1450 | 3.0 | 3.0 | 97 | |
80-125A | 13.121.826.1 | 3.056.057.25 | 4.33.83.4 | 65 | 1450 | 0.55 | 2.8 | 45 | 80-200(Ⅰ)A | 26.744.653.5 | 7.4212.3614.83 | 10.89.99.4 | 71 | 1450 | 2.2 | 3.0 | 93 | |
80-160 | 152530 | 4.176.948.33 | 987.2 | 68 | 1450 | 1.1 | 2.8 | 55 | 80-250(Ⅰ) | 305060 | 8.3313.8916.67 | 21.32019 | 66 | 1450 | 5.5 | 3.0 | 134 | |
80-160A | 13.021.625.9 | 3.616.07.19 | 6.76.05.4 | 65 | 1450 | 0.75 | 2.8 | 51 | 80-250(Ⅰ)A | 2846.756 | 7.7812.9715.56 | 18.617.416.6 | 65 | 1450 | 4.0 | 3.0 | 106 | |
80-200 | 152530 | 4.176.948.33 | 13.212.511.8 | 64 | 1450 | 2.2 | 2.8 | 72 | 80-250(Ⅰ)B | 24.240.448.5 | 6.7211.2213.47 | 13.913.112.4 | 63 | 1450 | 3.0 | 3.0 | 100 | |
80-200A | 14.023.327.9 | 3.896.477.75 | 11.510.910.2 | 63 | 1450 | 1.5 | 2.8 | 64 | 80-315(Ⅰ) | 305060 | 8.3313.8916.67 | 343230 | 61 | 1450 | 11.0 | 3.0 | 217 | |
80-250 | 152530 | 4.176.948.33 | 212018.8 | 59 | 1450 | 3.0 | 2.8 | 89 | 80-315(Ⅰ)A | 2846.756 | 7.7812.9715.56 | 29.627.926.1 | 61 | 1450 | 7.5 | 3.0 | 180 | |
80-250A | 13.322.226.6 | 3.696.177.39 | 16.615.814.8 | 58 | 1450 | 2.2 | 2.8 | 85 | 80-315(Ⅰ)B | 24.340.548.6 | 6.7211.2213.47 | 22.32119.1 | 60 | 1450 | 5.5 | 3.0 | 166 | |
80-250B | 11.919.823.8 | 3.315.56.61 | 13.212.611.8 | 57 | 1450 | 1.5 | 2.8 | 78 | 100-100 | 305060 | 8.3313.8916.67 | 3.532.5 | 73 | 1450 | 0.75 | 3.0 | 62 | |
80-315 | 152530 | 4.176.948.33 | 32.53231.5 | 50 | 1450 | 5.5 | 2.8 | 120 | 100-125 | 305060 | 8.3313.8916.67 | 654 | 73 | 1450 | 1.1 | 3.0 | 70 | |
80-315A | 142328 | 3.896.397.78 | 28.327.927.4 | 50 | 1450 | 4.0 | 2.8 | 102 | 100-125A | 26.844.653.5 | 7.4412.414.9 | 4.843.2 | 63 | 1450 | 1.1 | 3.0 | 68 | |
80-315B | 12.120.224.3 | 3.365.616.75 | 21.32120.6 | 49 | 1450 | 3.0 | 2.8 | 95 | 100-160 | 305060 | 8.3313.8916.67 | 9.286.8 | 73 | 1450 | 2.2 | 3.0 | 87 | |
80-100(Ⅰ) | 305060 | 8.3313.8916.67 | 3.532.58 | 73 | 1450 | 1.75 | 3.0 | 58 | 100-160A | 26.744.553.4 | 7.4212.3614.83 | 7.36.35.4 | 71 | 1450 | 1.5 | 3.0 | 79 | |
80-125(Ⅰ) | 305060 | 8.3313.8916.67 | 654 | 73 | 1450 | 1.1 | 3.0 | 61 | 100-200 | 305060 | 8.3313.8916.67 | 13.512.511.8 | 72 | 1450 | 3.0 | 3.0 | 100 | |
80-125(Ⅰ)A | 26.844.653.5 | 7.4412.414.9 | 4.843.2 | 63 | 1450 | 1.1 | 3.0 | 61 | 100-200A | 26.744.653.5 | 7.4212.3614.83 | 10.79.99.4 | 71 | 1450 | 2.2 | 3.0 | 90 |
ISGD低转速管道泵性能参数表4
型号 | 流量 | 扬程m | 效率% | 转速r/min | 电机功率KW | 必需汽蚀余量 | 重量㎏ | 型号 | 流量 | 扬程m | 效率% | 转速r/min | 电机功率KW | 必需汽蚀余量 | 重量㎏ | |||
m3/h | l/S | m3/h | l/S | |||||||||||||||
100-250 | 305060 | 8.3313.8916.67 | 21.32019 | 65 | 1450 | 5.5 | 3.0 | 140 | 100-315(Ⅰ)B | 4779.095 | 13.0621.9426.39 | 212019 | 70 | 1450 | 7.5 | 3.0 | 165 | |
100-250A | 2846.756 | 7.7812.9715.56 | 18.617.416.6 | 65 | 1450 | 4.0 | 3.0 | 112 | 100-400(Ⅰ) | 60100120 | 16.6722.7833.33 | 525048.5 | 65 | 1450 | 30.3 | 3.0 | 375 | |
100-250B | 24.240.448.5 | 6.7211.2213.47 | 13.913.112.4 | 63 | 1450 | 3.0 | 3.0 | 105 | 100-400(Ⅰ)A | 56.494113 | 15.6726.1131.39 | 464443 | 65 | 1450 | 22.0 | 3.0 | 295 | |
100-315 | 305060 | 8.3313.8916.67 | 343230 | 61 | 1450 | 11.0 | 3.0 | 225 | 100-400(Ⅰ)B | 52.387105 | 14.5324.1729.17 | 393837 | 64 | 1450 | 18.5 | 3.0 | 257 | |
100-315A | 2846.756 | 7.7812.9715.56 | 29.627.926.1 | 61 | 1450 | 7.5 | 3.0 | 180 | 100-400(Ⅰ)C | 48.68197 | 13.5422.5626.94 | 3432.832 | 62 | 1450 | 15.0 | 3.0 | 239 | |
100-315B | 24.340.548.6 | 6.7211.2213.47 | 22.32119.1 | 60 | 1450 | 5.5 | 3.0 | 165 | 125-125 | 488096 | 13.322.226.7 | 5.554.3 | 76 | 1450 | 2.2 | 3.0 | 148 | |
100-125(Ⅰ) | 60100120 | 16.6727.7833.33 | 6.554 | 78 | 1450 | 2.2 | 3.0 | 95 | 125-125A | 4371.566 | 11.619.913.9 | 4.443.4 | 75 | 1450 | 1.5 | 3.0 | 125 | |
100-125(Ⅰ)A | 52.287.1104 | 14.524.228.9 | 4.33.83.4 | 76 | 1450 | 1.5 | 3.0 | 87 | 125-160 | 488096 | 13.322.226.7 | 987 | 74 | 1450 | 3.0 | 3.0 | 205 | |
100-160(Ⅰ) | 60100120 | 16.727.7833.33 | 1087 | 78 | 1450 | 4.0 | 3.0 | 118 | 125-160A | 4269.383 | 11.919.323 | 6.865.3 | 73 | 1450 | 2.2 | 3.0 | 165 | |
100-160(Ⅰ)A | 52.287.1104 | 14.524.228.9 | 7.36.35.4 | 76 | 1450 | 3.0 | 3.0 | 113 | 125-200 | 488096 | 13.323.226.7 | 13.812.511.5 | 73 | 1450 | 5.5 | 3.0 | 249 | |
100-200(Ⅰ) | 60100120 | 16.6722.7833.33 | 14.012.511 | 75 | 1450 | 5.5 | 3.0 | 148 | 125-200A | 457590 | 12.520.825 | 121110 | 72 | 1450 | 4.0 | 3.0 | 237 | |
100-200(Ⅰ)A | 51.786.1103 | 14.3623.9228.61 | 10.89.38.2 | 73 | 1450 | 4.0 | 3.0 | 123 | 125-250 | 488096 | 13.322.226.7 | 222018.3 | 72 | 1450 | 7.5 | 2.8 | 220 | |
100-250(Ⅰ) | 60100120 | 16.6722.7833.33 | 21.52018.5 | 74 | 1450 | 11.0 | 3.0 | 208 | 125-250A | 457590 | 12.520.825 | 1917.516 | 71 | 1450 | 7.5 | 2.8 | 210 | |
100-250(Ⅰ)A | 5693.3112 | 15.5625.9231.11 | 18.717.416.1 | 73 | 1450 | 7.5 | 3.0 | 165 | 125-250B | 41.56983 | 11.511.223 | 16.31513.8 | 70 | 1450 | 5.5 | 2.8 | 195 | |
100-250(Ⅰ)B | 52.287104 | 14.524.1728.89 | 161514 | 72 | 1450 | 5.5 | 3.0 | 149 | 125-315 | 488096 | 13.322.226.7 | 33.33229.8 | 67 | 1450 | 15.0 | 2.5 | 300 | |
100-315(Ⅰ) | 60100120 | 16.6722.7833.33 | 33.53230.5 | 71 | 1450 | 15.0 | 3.0 | 234 | 125-315A | 457590 | 12.520.825 | 29.327.526 | 66 | 1450 | 11.0 | 2.5 | 282 | |
100-315(Ⅰ)A | 55.091.0110.0 | 15.2825.2830.56 | 282725.7 | 71 | 1450 | 11.0 | 3.0 | 213 | 125-315B | 437296 | 11.92023.9 | 26.52523.8 | 65 | 1450 | 11.0 | 2.5 | 245 |
ISGD低转速管道泵安装示意图
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ISGD低转速管道泵故障原因及其排除方法
故 障 现 象 | 可 能 产 生 的 原 因 | 排 除 方 法 |
1、水泵不出水 | a.进出口阀门未打开,进出管路阻塞,叶轮流道阻塞。b.电机运行方向不对,电机缺相转速很慢。c.吸入管漏气。d.泵没有灌满液体,泵腔有空气。e.进出口供水不足,吸程过高,底阀漏水。f.管路阻力过大,泵选型不当。 | a.检查,去除阻塞物。b.调整电机方向,紧固电机接线。c.拧紧各密封面,排除空气。d.打开泵上盖或打开排气阀,排尽空气。e.停机即拿出、调整(并网自来水管和带吸程使用易出现此现象)。f.减少管路弯道,重新选泵。 |
2、水泵流量不足 | a.先按1、原因检查。.b.管道、泵叶轮流道部分阻塞,水垢沉积,阀门开度不足。c.电压偏低。d.叶轮磨损 | a.先按1、排除。b.去除阻塞物,重新调整阀门开度。c.稳压。d.更换叶轮。 |
3、功率过大 | a.超过额定流量使用。b.吸程过高。c.泵轴承磨损。 | a.调节流量,关小出口阀门。b.降低吸程。c.更换轴承。 |
4、杂音振动 | a.管路支撑不稳。b.液体混有气体。c.产生汽蚀。d.轴承损坏。e.电机超载,发热运行。 | a.稳固管路。b.提高吸入压力、排气。c.降低真空度。d.更换轴承。e.调整按5。 |
5、电机发热 | a.流量过大,超载运行。b.碰擦。c.电机轴承损坏。d.电压不足。 | a.关小出口阀。b.检查排除。c.更换轴承。d.稳压。 |
6、水泵漏水 | a.机械密封磨损。b.泵体有砂孔或破裂。c.密封面不平整。d.安装螺栓松懈。 | a.更换。b.焊补或更换。c.修整。d.紧固。 |