| ■ 产品概述LG-B型便拆式高层建筑给水多级离心泵(低转速n=1450r/min)是本公司根据高层建筑给水市场的实际需要和国家消防局GB 6245-1998《消防泵性能要求和试验方法》标准而研制开发的新型产品。供输送不含坚硬颗粒及物理化学改选类似于水的介质之用。流量范围为5~400m3/h,扬程范围为22~300m,配套功率范围为1.5~250KW,口径范围为φ40~φ200mm。同一台泵的出口可设1~5个出口。 产品特点LG-B型泵由电机和泵联接而成,泵轴与电机轴用夹壳式联轴器联接,确保泵与电机绝对同轴使泵运行平稳、噪音低。电机为Y、Y2型三相异步电机,方便用户更换,整体为刚性连接,使用时无需校正。轴封采用机械密封,泵为便拆式结构方便更换机械密封。 ■ 产品用途LG-B型便拆式高层建筑给水多级离心泵特别适用于住宅、宾馆、办公大楼等高层建筑恒压供水、消防、喷淋给水设备配套用泵;也适用于化工流程冷却塔的自动补水、系统稳压、生产工艺循环用水、无距离输送、锅炉给水等给水设备之用。可输送的液体为常温(<80℃)(热水型可输送温度小于105℃的介质)的清水或物理、化学性质类似于水的介质。 性能参数
LG-B型便拆式高层建筑给水多级离心泵性能参数表
| 型号 | 级数 | 流量 | 扬程 (m)
 | 转速 (r/min)
 | 电机功率 (kw)
 | 效率 (%)
 |  
| (m3/h) | (L/s) |  
| 25LG(R) 3-10
 (LG-B)
 | 2 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 20.8 20.0
 15.4
 | 2900 | 0.75 | 38 42
 44
 |  
| 3 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 31.2 30.0
 23.1
 | 1.1 | 38 42
 44
 |  
| 4 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 41.6 40.0
 30.8
 | 1.5 | 38 42
 44
 |  
| 5 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 52.0 50.0
 38.5
 | 1.5 | 38 42
 44
 |  
| 6 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 62.4 60.0
 46.2
 | 2.2 | 38 42
 44
 |  
| 7 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 72.8 70.0
 53.9
 | 2.2 | 38 42
 44
 |  
| 8 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 83.2 80.0
 61.6
 | 2.2 | 38 42
 44
 |  
| 9 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 93.6 90.0
 69.3
 | 2.2 | 38 42
 44
 |  
| 10 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 104 100
 77.0
 | 3.0 | 38 42
 44
 |  
| 11 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 114.4 110.0
 84.7
 | 3.0 | 38 42
 44
 |  
| 12 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 124.8 120.0
 92.4
 | 4.0 | 38 42
 44
 |  
| 13 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 135.2 130.0
 100.0
 | 4.0 | 38 42
 44
 |  
| 14 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 145.6 140.0
 107.8
 | 4.0 | 38 42
 44
 |  
| 15 | 2.4 3.0
 4.7
 | 0.67 0.83
 1.31
 | 156.0 150.0
 115.5
 | 4.0 | 38 42
 44
 |  
| 32LG(R) 6.5-15
 (LG-B)
 | 2 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 32.6 30.0
 23.0
 | 2900 | 1.5 | 47 53
 50
 |  
| 3 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 48.9 45.0
 34.5
 | 2.2 | 47 53
 50
 |  
| 4 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 65.5 60.0
 46.0
 | 3.0 | 47 53
 50
 |  
| 5 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 81.5 75.0
 57.5
 | 4.0 | 47 53
 50
 |  
| 6 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 97.8 90.0
 69.0
 | 4.0 | 47 53
 50
 |  
| 7 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 114.1 105.0
 80.5
 | 5.5 | 47 53
 50
 |  
| 8 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 130.4 120.0
 92.0
 | 5.5 | 47 53
 50
 |  
| 9 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 146.7 135.0
 103.5
 | 5.5 | 47 53
 50
 |  
| 10 | 4.5 6.5
 9.5
 | 1.25 1.81
 2.64
 | 163.0 150.0
 115.0
 | 7.5 | 47 53
 50
 |  
| 40LG(R) 6-15
 (LG-B)
 | 2 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 34 30
 24
 | 2900 | 1.5 | 45 53
 50
 |  
| 3 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 51 45
 36
 
 | 2.2 | 45 53
 50
 |  
| 4 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 68 60
 48
 | 2.2 | 45 53
 50
 |  
| 5 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 85 75
 60
 | 3.0 | 45 53
 50
 |  
| 6 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 102 90
 72
 | 3.0 | 45 53
 50
 |  
| 7 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 119 105
 84
 | 4.0 | 45 53
 50
 |  
| 8 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 136 120
 96
 | 4.0 | 45 53
 50
 |  
| 9 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 153 135
 108
 | 5.5 | 45 53
 50
 |  
| 10 | 4.2 6.0
 7.2
 | 1.17 1.67
 2.00
 | 165 150
 120
 | 5.5 | 45 53
 50
 |  
| 40LG(R) 12-15
 (LG-B)
 | 2 | 9 12
 18
 | 2.50 3.33
 5.00
 | 32 30
 24
 | 2900 | 2.2 | 55 60
 63
 |  
| 3 | 9 12
 18
 | 2.50 3.33
 5.00
 | 48 45
 36
 | 3.0 | 55 60
 63
 |  
| 4 | 9 12
 18
 | 2.50 3.33
 5.00
 | 64 60
 48
 | 4.0 | 55 60
 63
 |  
| 5 | 9 12
 18
 | 2.50 3.33
 5.00
 | 80 75
 60
 | 5.5 | 55 60
 63
 |  
| 6 | 9 12
 18
 | 2.50 3.33
 5.00
 | 96 90
 82
 | 5.5 | 55 60
 63
 |  
| 7 | 9 12
 18
 | 2.50 3.33
 5.00
 | 112 105
 84
 | 7.5 | 55 60
 63
 |  
| 8 | 9 12
 18
 | 2.50 3.33
 5.00
 | 128 120
 96
 | 7.5 | 55 60
 63
 |  
| 9 | 9 12
 18
 | 2.50 3.33
 5.00
 | 114 135
 108
 | 11 | 55 60
 63
 |  
| 10 | 9 12
 18
 | 2.50 3.33
 5.00
 | 160 150
 120
 | 11 | 55 60
 63
 |  
| 50LG(R) 18-20
 (LG-B)
 | 2 | 12 18
 24
 | 3.33 5.00
 6.67
 | 44 40
 33
 | 2900 | 4 | 67 69
 64
 |  
| 3 | 12 18
 24
 | 3.33 5.00
 6.67
 | 66 60
 49
 | 5.5 | 67 69
 64
 |  
| 4 | 12 18
 24
 | 3.33 5.00
 6.67
 | 88 80
 66
 | 7.5 | 67 69
 64
 |  
| 5 | 12 18
 24
 | 3.33 5.00
 6.67
 | 110 100
 82
 | 11 | 67 69
 64
 |  
| 6 | 12 18
 24
 | 3.33 5.00
 6.67
 | 132 120
 99
 | 11 | 67 69
 64
 |  
| 7 | 12 18
 24
 | 3.33 5.00
 6.67
 | 154 140
 115
 | 15 | 67 69
 64
 |  
| 8 | 12 18
 24
 | 3.33 5.00
 6.67
 | 176 160
 132
 | 15 | 67 69
 64
 |  
| 50LG 24-20
 (LG-B)
 | 2 | 18 24
 30
 | 5.00 6.67
 8.33
 | 44 40
 33
 | 2900 | 5.5 | 67 69
 64
 |  
| 3 | 18 24
 30
 | 5.00 6.67
 8.33
 | 66 60
 49
 
 | 7.5 | 67 69
 64
 |  
| 4 | 18 24
 30
 | 5.00 6.67
 8.33
 | 88 80
 66
 | 11 | 67 69
 64
 |  
| 5 | 18 24
 30
 | 5.00 6.67
 8.33
 | 110 100
 82
 | 11 | 67 69
 64
 |  
| 6 | 18 24
 30
 | 5.00 6.67
 8.33
 | 132 120
 99
 
 | 15 | 67 69
 64
 |  
| 7 | 18 24
 30
 | 5.00 6.67
 8.33
 | 154 140
 115
 | 15 | 67 69
 64
 |  
| 8 | 18 24
 30
 | 5.00 6.67
 8.33
 | 176 160
 132
 | 18.5 | 67 69
 64
 |  
| 65LG(R) 25-20
 (LG-B)
 | 2 | 18 25
 30
 | 5.00 6.95
 8.33
 | 44 40
 34
 
 
 | 2900 | 5.5 | 67 69
 64
 |  
| 3 | 18 25
 30
 | 5.00 6.95
 8.33
 | 66 60
 51
 | 7.5 | 67 69
 64
 |  
| 4 | 18 25
 30
 | 5.00 6.95
 8.33
 | 88 80
 68
 | 11 | 67 69
 64
 |  
| 5 | 18 25
 30
 | 5.00 6.95
 8.33
 | 110 100
 85
 | 15 | 67 69
 64
 |  
| 6 | 18 25
 30
 | 5.00 6.95
 8.33
 
 | 132 120
 102
 | 15 | 67 69
 64
 |  
| 7 | 18 25
 30
 | 5.00 6.95
 8.33
 
 | 154 140
 119
 | 18.5 | 67 69
 64
 |  
| 8 | 18 25
 30
 | 5.00 6.95
 8.33
 
 | 176 160
 136
 | 18.5 | 67 69
 64
 |  
| 65LG 36-20
 (LG-B)
 | 2 | 27 36
 43
 | 7.5 10
 12
 
 | 45 40
 34
 | 2900 | 7.5 | 70 72
 67
 |  
| 3 | 27 36
 43
 | 7.5 10
 12
 
 | 68 60
 51
 
 | 11 | 70 72
 67
 |  
| 4 | 27 36
 43
 | 7.5 10
 12
 
 | 91 80
 68
 | 15 | 70 72
 67
 |  
| 5 | 27 36
 43
 | 7.5 10
 12
 
 | 113 100
 85
 | 18.5 | 70 72
 67
 |  
| 6 | 27 36
 43
 | 7.5 10
 12
 
 | 136 120
 102
 | 22 | 70 72
 67
 |  
| 7 | 27 36
 43
 | 7.5 10
 12
 
 | 160 140
 119
 | 22 | 70 72
 67
 |  
| 8 | 27 36
 43
 | 7.5 10
 12
 | 182 160
 136
 | 30 | 70 72
 67
 |  
| 80LG 40-20
 (LG-B)
 | 2 | 30 40
 52
 | 8.33 11.1
 14.4
 | 44 40
 34
 
 | 2900 | 7.5 | 70 73
 68
 |  
| 3 | 30 40
 52
 | 8.33 11.1
 14.4
 | 66 60
 51
 | 11 | 70 73
 68
 |  
| 4 | 30 40
 52
 | 8.33 11.1
 14.4
 
 | 88 80
 68
 | 15 | 70 73
 68
 |  
| 5 | 30 40
 52
 | 8.33 11.1
 14.4
 | 110 100
 85
 | 18.5 | 70 73
 68
 |  
| 6 | 30 40
 52
 | 8.33 11.1
 14.4
 | 132 120
 102
 | 22 | 70 73
 68
 |  
| 7 | 30 40
 52
 | 8.33 11.1
 14.4
 | 154 140
 119
 | 30 | 70 73
 68
 |  
| 8 | 30 40
 52
 | 8.33 11.1
 14.4
 | 176 160
 136
 | 30 | 70 73
 68
 |  
| 80LG(R) 50-20
 (LG-B)
 | 2 | 40 50
 68
 | 11.1 13.9
 19.0
 | 43.6 40.0
 31.7
 | 2900 | 11 | 70 75
 71
 |  
| 3 | 40 50
 68
 | 11.1 13.9
 19.0
 | 65.4 60.0
 47.5
 | 15 | 70 75
 71
 |  
| 4 | 40 50
 68
 | 11.1 13.9
 19.0
 | 87.2 80.0
 63.4
 | 18.5 | 70 75
 71
 |  
| 5 | 40 50
 68
 | 11.1 13.9
 19.0
 | 109.0 100.0
 79.25
 | 22 | 70 75
 71
 |  
| 6 | 40 50
 68
 | 11.1 13.9
 19.0
 | 130 120
 95
 | 30 | 70 75
 71
 |  
| 7 | 40 50
 68
 | 11.1 13.9
 19.0
 | 152 140
 112
 | 30 | 70 75
 71
 |  
| 8 | 40 50
 68
 | 11.1 13.9
 19.0
 | 174 160
 129
 | 37 | 70 75
 71
 |  
| 100LG 72-20
 (LG-B)
 | 2 | 54 72
 90
 | 15 20
 25
 | 49 40
 31
 | 2900 | 15 | 70 73
 68
 |  
| 3 | 54 72
 90
 | 15 20
 25
 | 74 60
 47
 | 18.5 | 70 73
 68
 |  
| 4 | 54 72
 90
 | 15 20
 25
 | 99 80
 63
 
 | 30 | 70 73
 68
 |  
| 5 | 54 72
 90
 | 15 20
 25
 | 124 100
 79
 | 30 | 70 73
 68
 |  
| 6 | 54 72
 90
 | 15 20
 25
 | 148 120
 95
 | 37 | 70 73
 68
 |  
| 7 | 54 72
 90
 | 15 20
 25
 | 173 140
 110
 | 45 | 70 73
 68
 |  
| 8 | 54 72
 90
 | 15 20
 25
 | 198 160
 126
 | 55 | 70 73
 68
 |  |