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美国尼科NICO进口逆循环屏蔽泵的循环路经与基本型相反,故称为逆循环型。适用于输送易汽化的液体,特别是当汽蚀余量较小时,循环量会受到来自电机的热量和轴承摩擦热量的作用,使液体的温度升高,如果采用基本型,循环液返回到叶轮的入口处,则很容易产生汽蚀,从而导致崩不能正常工作。采用逆循环型,循环液不返回到叶轮的入口处,而使液体直接从电机的尾端排出,就不易产生汽蚀。
公称通径:40-300mm
流量范围:5-1000(m3/h)
扬程范围:10-190m
功率范围:0.37-160KW
转速范围:1450-2900r/min
温度范围:-20℃~120℃
工作压力:≤2.5Mpa
泵体材质:WCB、304、316
①长寿命,自动液压推力平衡系统与碳化硅轴承组合,获取高使用寿命;
②高效率,优化的电机设计与高效水力研究,取得了优异的能效;
③高可靠性,先进的加工工艺、高端的数控设备以及完善的检测,保障产品质量的稳定一致。
④设置轴承磨损监视,实现在线监控与自动化控制。
⑤二次密封壳,确保事故状态下对环境现场安全保障性。
①由于完全无泄漏,因而适用于输送对人体有害液体、容易爆炸和可燃烧的液体、贵重液体、腐蚀性液体。
②由于与外界空气完全隔离,因而适用于输送与外部气体接触能变质的液体。
③由于无轴封,因而适用于输送压力较高的系统、高熔点液体、高温液体、低温液体。
④由于不需要润滑,故不会污染输送的液体,并且避免了注排油的麻烦。
⑤由于电动机和泵同轴一体,故体积小、重量轻,占地面积小、拆卸检查方便。
⑥电动机采用水冷却或自然冷却,没有风扇,因而运转振动小、噪音小。

| 序号 | 型号 | 流量 | 扬程(m) | 效率 | 转速 | 电机功率(kw) | 必须汽蚀余量 | |
| m3/h | L/S | |||||||
| 1 | NXH40-100 | 6.3 | 1.75 | 12.5 | 54 | 1450 | 0.55 | 3.5 |
| 2 | NXH40-100A | 5.6 | 1.56 | 10 | 52 | 1450 | 0.37 | 3.5 |
| 3 | NXH40-125 | 6.3 | 1.75 | 20 | 46 | 1450 | 1.1 | 3.5 |
| 4 | NXH40-125A | 5.6 | 1.56 | 16 | 45 | 2900 | 0.75 | 3.5 |
| 5 | NXH40-160 | 6.3 | 1.75 | 32 | 40 | 2900 | 2.2 | 3.5 |
| 6 | NXH40-160A | 5.9 | 1.64 | 28 | 39 | 2900 | 1.5 | 3.5 |
| 7 | NXH40-160B | 5.5 | 1.53 | 24 | 38 | 2900 | 1.1 | 3.5 |
| 8 | NXH40-200 | 6.3 | 1.75 | 50 | 33 | 2900 | 4 | 3.5 |
| 9 | NXH40-200A | 5.9 | 1.64 | 44 | 31 | 2900 | 3 | 3.5 |
| 10 | NXH40-200B | 5.3 | 1.47 | 36 | 29 | 2900 | 2.2 | 3.5 |
| 11 | NXH40-250 | 6.3 | 1.75 | 80 | 28 | 2900 | 7.5 | 3.5 |
| 12 | NXH40-250A | 5.9 | 1.64 | 70 | 28 | 2900 | 5.5 | 3.5 |
| 13 | NXH40-250B | 5.5 | 1.53 | 60 | 27 | 2900 | 4 | 3.5 |
| 14 | NXH40-100(I) | 12.5 | 3.47 | 12.5 | 62 | 1450 | 1.1 | 3.5 |
| 15 | NXH40-100(I)A | 11 | 3.05 | 10 | 60 | 1450 | 0.75 | 3.5 |
| 16 | NXH40-125(I) | 12.5 | 3.47 | 20 | 58 | 1450 | 1.5 | 3.5 |
| 17 | NXH40-125(I)A | 11 | 3.05 | 16 | 57 | 1450 | 1.1 | 3.5 |
| 18 | NXH40-160(I) | 12.5 | 3.47 | 32 | 52 | 2900 | 3 | 3.5 |
| 19 | NXH40-160(I)A | 11.7 | 3.25 | 28 | 51 | 2900 | 2.2 | 3.5 |
| 20 | NXH40-160(I)B | 10.4 | 2.89 | 22 | 50 | 2900 | 1.5 | 3.5 |
| 21 | NXH40-200(I) | 12.5 | 3.47 | 50 | 46 | 2900 | 5.5 | 3.5 |
| 22 | NXH40-200(I)A | 11.7 | 3.25 | 44 | 45 | 2900 | 4 | 3.5 |
| 23 | NXH40-200(I)B | 10.6 | 2.94 | 36 | 44 | 2900 | 3 | 3.5 |
| 24 | NXH40-250(I) | 12.5 | 3.47 | 80 | 38 | 2900 | 11 | 3.5 |
| 25 | NXH40-250(I)A | 11.6 | 3.22 | 70 | 38 | 2900 | 7.5 | 3.5 |
| 26 | NXH40-250(I)B | 10.8 | 3 | 60 | 37 | 2900 | 7.5 | 3.5 |
| 27 | NXH40-250(I)C | 10 | 2.78 | 52 | 36 | 2900 | 5.5 | 3.5 |
| 28 | NXH50-100 | 12.5 | 3.47 | 12.5 | 62 | 1450 | 1.1 | 3.5 |
| 29 | NXH50-100A | 11 | 3.05 | 10 | 60 | 1450 | 0.75 | 3.5 |
| 30 | NXH50-125 | 12.5 | 3.47 | 20 | 58 | 1450 | 1.5 | 3.5 |
| 31 | NXH50-125A | 11 | 3.05 | 16 | 57 | 1450 | 1.1 | 3.5 |
| 32 | NXH50-160 | 12.5 | 3.47 | 32 | 52 | 2900 | 3 | 3.5 |
| 33 | NXH50-160A | 11.7 | 3.25 | 28 | 51 | 2900 | 2.2 | 3.5 |
| 34 | NXH50-160B | 10.4 | 2.89 | 22 | 50 | 2900 | 1.5 | 3.5 |
| 35 | NXH50-200 | 12.5 | 3.47 | 50 | 46 | 2900 | 5.5 | 3.5 |
| 36 | NXH50-200A | 11.7 | 3.25 | 44 | 45 | 2900 | 4 | 3.5 |
| 37 | NXH50-200B | 10.6 | 2.94 | 36 | 44 | 2900 | 3 | 3.5 |
| 38 | NXH50-250 | 12.5 | 3.47 | 80 | 38 | 2900 | 11 | 3.5 |
| 39 | NXH50-250A | 11.6 | 3.22 | 70 | 38 | 2900 | 7.5 | 3.5 |
| 40 | NXH50-250B | 10.8 | 3 | 60 | 37 | 2900 | 7.5 | 3.5 |
| 41 | NXH50-250C | 10 | 2.78 | 52 | 36 | 2900 | 5.5 | 3.5 |
| 42 | NXH50-100(I) | 25 | 6.94 | 12.5 | 69 | 1450 | 1.5 | 3.8 |
| 43 | NXH50-100(I)A | 22.3 | 6.19 | 10 | 67 | 1450 | 1.1 | 3.8 |
| 44 | NXH50-125(I) | 25 | 6.94 | 20 | 68 | 1450 | 3 | 3.8 |
| 45 | NXH50-125(I)A | 22.3 | 6.49 | 16 | 66 | 1450 | 2.2 | 3.8 |
| 46 | NXH50-160(I) | 25 | 6.94 | 32 | 63 | 1450 | 4 | 3.8 |
| 47 | NXH50-160(I)A | 23.4 | 6.5 | 28 | 62 | 1450 | 4 | 3.8 |
| 48 | NXH50-160(I)B | 21.6 | 6 | 24 | 58 | 1450 | 3 | 3.8 |
| 49 | NXH50-200(I) | 25 | 6.94 | 50 | 58 | 2900 | 7.5 | 3.8 |
| 50 | NXH50-200(I)A | 23.5 | 6.53 | 44 | 57 | 2900 | 7.5 | 3.8 |
| 51 | NXH50-200(I)B | 21.8 | 6.06 | 38 | 55 | 2900 | 5.5 | 3.8 |
| 52 | NXH50-250(I) | 25 | 6.94 | 80 | 50 | 2900 | 15 | 3.8 |
| 53 | NXH50-250(I)A | 23.4 | 6.5 | 70 | 50 | 2900 | 11 | 3.8 |
| 54 | NXH50-250(I)B | 21.6 | 6 | 60 | 48 | 2900 | 11 | 3.8 |
| 55 | NXH50-315(I) | 25 | 6.94 | 125 | 40 | 2900 | 30 | 3.8 |
| 56 | NXH50-315(I)A | 23.7 | 6.58 | 113 | 40 | 2900 | 22 | 3.8 |
| 57 | NXH50-315(I)B | 22.5 | 6.25 | 101 | 39 | 2900 | 18.5 | 3.8 |
| 58 | NXH50-315(I)C | 20.6 | 5.72 | 85 | 38 | 2900 | 15 | 3.8 |
| 59 | NXH65-100 | 25 | 6.94 | 12.5 | 69 | 1450 | 1.2 | 3.8 |
| 60 | NXH65-100A | 22.3 | 6.19 | 10 | 67 | 1450 | 1.1 | 3.8 |
| 61 | NXH65-125 | 25 | 6.94 | 20 | 68 | 1450 | 3 | 3.8 |
| 62 | NXH65-125A | 22.3 | 6.19 | 16 | 66 | 1450 | 2.2 | 3.8 |
| 63 | NXH65-160 | 25 | 6.94 | 32 | 63 | 1450 | 4 | 3.8 |
| 64 | NXH65-160A | 23.4 | 6.5 | 28 | 62 | 1450 | 4 | 3.8 |
| 65 | NXH65-160B | 21.6 | 6 | 24 | 58 | 1450 | 3 | 3.8 |
| 66 | NXH65-200 | 25 | 6.94 | 50 | 58 | 2900 | 7.5 | 3.8 |
| 67 | NXH65-200A | 23.5 | 6.53 | 44 | 57 | 2900 | 7.5 | 3.8 |
| 68 | NXH65-200B | 21.8 | 6.06 | 38 | 55 | 2900 | 5.5 | 3.8 |
| 69 | NXH65-250 | 25 | 6.94 | 80 | 50 | 2900 | 15 | 3.8 |
| 70 | NXH65-250A | 23.4 | 6.5 | 70 | 50 | 2900 | 11 | 3.8 |
| 71 | NXH65-250B | 21.6 | 6 | 60 | 49 | 2900 | 11 | 3.8 |
| 72 | NXH65-315 | 25 | 6.94 | 125 | 40 | 2900 | 30 | 3.8 |
| 73 | NXH65-315A | 23.7 | 6.58 | 113 | 40 | 2900 | 22 | 3.8 |
| 74 | NXH65-315B | 22.5 | 6.25 | 101 | 39 | 2900 | 18.5 | 3.8 |
| 75 | NXH65-315C | 20.6 | 5.72 | 85 | 38 | 2900 | 15.5 | 3.8 |
| 76 | NXH65-100(I) | 50 | 13.9 | 12.5 | 73 | 1450 | 3 | 4.2 |
| 77 | NXH65-100(I)A | 44.7 | 12.5 | 10 | 72 | 1450 | 2.2 | 4.2 |
| 78 | NXH65-125(I) | 50 | 13.9 | 20 | 72.5 | 1450 | 5.5 | 4.2 |
| 79 | NXH65-125(I)A | 45 | 12.5 | 16 | 71 | 1450 | 4 | 4.2 |
| 80 | NXH65-160(I) | 50 | 13.9 | 32 | 71 | 1450 | 7.5 | 4.2 |
| 81 | NXH65-160(I)A | 46.7 | 13 | 28 | 70 | 1450 | 7.5 | 4.2 |
| 82 | NXH65-160(I)B | 43.3 | 12 | 24 | 69 | 1450 | 5.5 | 4.2 |
| 83 | NXH65-200(I) | 50 | 13.9 | 50 | 67 | 2900 | 15 | 4.2 |
| 84 | NXH65-200(I)A | 47 | 13.1 | 44 | 66 | 2900 | 11 | 4.2 |
| 85 | NXH65-200(I)B | 43.5 | 12.1 | 38 | 65 | 2900 | 7.5 | 4.2 |
| 86 | NXH65-250(I) | 50 | 13.9 | 80 | 59 | 2900 | 22 | 4.2 |
| 87 | NXH65-250(I)A | 46.7 | 13 | 70 | 59 | 2900 | 18.5 | 4.2 |
| 88 | NXH65-250(I)B | 43.3 | 12 | 60 | 58 | 2900 | 15 | 4.2 |
| 89 | NXH65-315(I) | 50 | 13.9 | 125 | 54 | 2900 | 34 | 4.2 |
| 90 | NXH65-315(I)A | 46.5 | 12.9 | 110 | 54 | 2900 | 30 | 4.2 |
| 91 | NXH65-315(I)B | 44.5 | 12.4 | 100 | 53 | 2900 | 30 | 4.2 |
| 92 | NXH65-315(I)C | 41 | 11.4 | 85 | 51 | 2900 | 22 | 4.2 |
| 93 | NXH80-100 | 50 | 13.9 | 12.5 | 73 | 1450 | 3 | 4.2 |
| 94 | NXH80-100A | 44.7 | 12.4 | 10 | 72 | 1450 | 2.2 | 4.2 |
| 95 | NXH80-125 | 50 | 13.9 | 20 | 72.5 | 1450 | 5.5 | 4.2 |
| 96 | NXH80-125A | 45 | 12.5 | 16 | 71 | 1450 | 4 | 4.2 |
| 97 | NXH80-160 | 50 | 13.9 | 32 | 71 | 1450 | 7.5 | 4.2 |
| 98 | NXH80-160A | 46.7 | 13 | 28 | 70 | 1450 | 7.5 | 4.2 |
| 99 | NXH80-160B | 43.3 | 12 | 24 | 69 | 1450 | 5.5 | 4.2 |
| 100 | NXH80-200 | 50 | 13.9 | 50 | 67 | 2900 | 15.5 | 4.2 |
| 101 | NXH80-200A | 47 | 13.1 | 44 | 66 | 2900 | 11 | 4.2 |
| 102 | NXH80-200B | 43.5 | 12.1 | 38 | 65 | 2900 | 7.5 | 4.2 |
| 103 | NXH80-250 | 50 | 13.9 | 80 | 59 | 2900 | 22 | 4.2 |
| 104 | NXH80-250A | 46.7 | 13 | 70 | 59 | 2900 | 18.5 | 4.2 |
| 105 | NXH80-250B | 43.3 | 12 | 60 | 58 | 2900 | 15 | 4.2 |
| 106 | NXH80-315 | 50 | 13.9 | 125 | 54 | 2900 | 37 | 4.2 |
| 107 | NXH80-315A | 46.5 | 12.9 | 110 | 54 | 2900 | 30 | 4.2 |
| 108 | NXH80-315B | 44.5 | 12.4 | 100 | 53 | 2900 | 30 | 4.2 |
| 109 | NXH80-315C | 41 | 11.4 | 85 | 51 | 2900 | 22 | 4.2 |
| 110 | NXH80-100(I) | 100 | 27.8 | 12.5 | 76 | 1450 | 5.5 | 4.2 |
| 111 | NXH80-100(I)A | 89 | 24.7 | 10 | 74 | 1450 | 4 | 4.2 |
| 112 | NXH80-125(I) | 100 | 27.8 | 20 | 76 | 1450 | 11 | 4.2 |
| 113 | NXH80-125(I)A | 89 | 24.7 | 16 | 74 | 1450 | 7.5 | 4.2 |
| 114 | NXH80-160(I) | 100 | 27.8 | 32 | 76 | 1450 | 15 | 4.2 |
| 115 | NXH80-160(I)A | 93.5 | 26 | 28 | 74 | 1450 | 11 | 4.2 |
| 116 | NXH80-160(I)B | 86.6 | 24.1 | 24 | 72 | 1450 | 11 | 4.2 |
| 117 | NXH80-200(I) | 100 | 27.8 | 50 | 74 | 1450 | 22 | 4.2 |
| 118 | NXH80-200(I)A | 93.5 | 26 | 44 | 73 | 1450 | 18.5 | 5.5 |
| 119 | NXH80-200(I)B | 87 | 24.2 | 38 | 71 | 1450 | 15 | 5.5 |
| 120 | NXH100-100 | 100 | 27.8 | 12.5 | 76 | 1450 | 5.5 | 5.5 |
| 121 | NXH100-100A | 89 | 24.7 | 10 | 74 | 1450 | 4 | 5.5 |
| 122 | NXH100-125 | 100 | 27.8 | 20 | 76 | 1450 | 11 | 5.5 |
| 123 | NXH100-125A | 89 | 24.7 | 16 | 74 | 1450 | 7.5 | 5.5 |
| 124 | NXH100-160 | 100 | 27.8 | 32 | 76 | 1450 | 15 | 5.5 |
| 125 | NXH100-160A | 93.5 | 26 | 28 | 74 | 1450 | 11 | 5.5 |
| 126 | NXH100-160B | 86.6 | 24.1 | 24 | 72 | 1450 | 11 | 5.5 |
| 127 | NXH100-200 | 100 | 27.8 | 50 | 74 | 1450 | 22 | 5.5 |
| 128 | NXH100-200A | 93.5 | 26 | 44 | 73 | 1450 | 18.5 | 5.5 |
| 129 | NXH100-200B | 87 | 27.2 | 38 | 71 | 1450 | 15 | 5.5 |
| 130 | NXH125-100 | 160 | 44.4 | 12.5 | 82 | 1450 | 11 | 5.5 |
| 131 | NXH125-100A | 143 | 39.7 | 10 | 77 | 1450 | 7.5 | 5.5 |
| 132 | NXH125-125 | 160 | 44.4 | 20 | 80 | 1450 | 15 | 5.5 |
| 133 | NXH125-25A | 143 | 39.7 | 16 | 77 | 1450 | 11 | 5.5 |
| 134 | NXH125-160 | 160 | 44.4 | 32 | 78 | 1450 | 22 | 5.5 |
| 135 | NXH125-160A | 150 | 41.7 | 28 | 76 | 1450 | 18.5 | 5.5 |
| 136 | NXH125-1160B | 138 | 38.3 | 24 | 73 | 1450 | 15 | 5.5 |
| 137 | NXH125-200 | 160 | 44.4 | 50 | 77 | 1450 | 37 | 5.5 |
| 138 | NXH125-200A | 150 | 41.7 | 44 | 76 | 1450 | 30 | 5.5 |
| 139 | NXH125-200B | 138 | 38.3 | 37.5 | 75 | 1450 | 22 | 5.5 |
| 140 | NXH150-200 | 200 | 55.6 | 12.5 | 78 | 1450 | 15 | 5 |
| 141 | NXH150-200A | 179 | 49.7 | 10 | 76 | 1450 | 11 | 5 |
| 142 | NXH150-250 | 200 | 55.6 | 20 | 79 | 1450 | 18.5 | 5 |
| 143 | NXH150-250A | 184.4 | 51.2 | 17 | 78 | 1450 | 15 | 5 |
| 144 | NXH150-250B | 167 | 46.4 | 14 | 76 | 1450 | 11 | 5 |
| 145 | NXH150-315 | 200 | 55.6 | 32 | 78 | 1450 | 30 | 5.5 |
| 146 | NXH150-315A | 187 | 51.9 | 28 | 77 | 1450 | 22 | 5.5 |
| 147 | NXH150-315B | 173 | 48.1 | 24 | 76 | 1450 | 18.5 | 5.5 |
| 148 | NXH150-400 | 200 | 55.6 | 50 | 75 | 1450 | 45 | 5.5 |
| 149 | NXH150-400A | 187 | 51.9 | 44 | 74 | 1450 | 37 | 5.5 |
| 150 | NXH150-400B | 174 | 48.3 | 38 | 73 | 1450 | 30 | 5.5 |
| 151 | NXH150-400C | 160 | 44.4 | 32 | 71 | 1450 | 22 | 5.5 |
| 152 | NXH200-200 | 200 | 55.6 | 12.5 | 78 | 1450 | 15 | 5 |
| 153 | NXH200-200A | 179 | 49.7 | 10 | 76 | 1450 | 11 | 5 |
| 154 | NXH200-250 | 200 | 55.9 | 20 | 79 | 1450 | 18.5 | 5 |
| 155 | NXH200-250A | 184.4 | 51.2 | 17 | 78 | 1450 | 15 | 5 |
| 156 | NXH200-250B | 167 | 46.4 | 14 | 76 | 1450 | 11.1 | 5 |
| 157 | NXH200-315 | 200 | 55.6 | 32 | 78 | 1450 | 30 | 5.5 |
| 158 | NXH200-315A | 187 | 51.9 | 28 | 77 | 1450 | 22 | 5.5 |
| 159 | NXH200-315B | 173 | 48.1 | 24 | 76 | 1450 | 18.5 | 5.5 |
| 160 | NXH200-400 | 200 | 55.6 | 50 | 75 | 1450 | 45 | 5.5 |
| 161 | NXH200-400A | 187 | 51.9 | 44 | 74 | 1450 | 37 | 5.5 |
| 162 | NXH200-400B | 174 | 48.3 | 38 | 73 | 1450 | 30 | 5.5 |
| 163 | NXH200-400C | 160 | 44.4 | 32 | 71 | 1450 | 22 | 5.5 |
| 164 | NXH200-200(I) | 400 | 111.1 | 12.5 | 80 | 1450 | 22 | 5.5 |
| 165 | NXH200-200(I)A | 358 | 99.4 | 10 | 78 | 1450 | 18.5 | 5.5 |
| 166 | NXH200-250(I) | 400 | 111.4 | 20 | 80 | 1450 | 30 | 5.5 |
| 167 | NXH200-250(I)A | 358 | 99.4 | 16 | 78 | 1450 | 22 | 5.5 |
| 168 | NXH200-250(I)B | 322 | 89.4 | 13 | 75 | 1450 | 18.5 | 5.5 |
| 169 | NXH200-315(I) | 400 | 111.4 | 32 | 80 | 1450 | 55 | 5.5 |
| 170 | NXH200-315(I)A | 374 | 103.9 | 28 | 79 | 1450 | 45 | 5.5 |
| 171 | NXH200-315(I)B | 346 | 96.1 | 24 | 78 | 1450 | 37 | 5.5 |
| 172 | NXH200-400(I) | 400 | 111.4 | 50 | 81 | 1450 | 75 | 5.5 |
| 173 | NXH200-400(I)A | 374 | 103.9 | 44 | 80 | 1450 | 75 | 5.5 |
| 174 | NXH200-400(I)B | 346 | 96.1 | 30 | 78 | 1450 | 55 | 5.5 |
| 175 | NXH200-400(I)C | 320 | 88.9 | 32 | 76 | 1450 | 45 | 5.5 |
| 176 | NXH300-235 | 720 | 200 | 18 | 81 | 970 | 55 | 6 |
| 177 | NXH300-235A | 657 | 182.5 | 15 | 79 | 970 | 45 | 6 |
| 178 | NXH300-235B | 600 | 167 | 12.5 | 77 | 970 | 37 | 6 |
| 179 | NXH300-300 | 720 | 200 | 28 | 81 | 970 | 75 | 6 |
| 180 | NXH300-300A | 666 | 185 | 24 | 80 | 970 | 75 | 6 |
| 181 | NXH300-300B | 623 | 173.1 | 21 | 79 | 970 | 55 | 6 |
| 182 | NXH300-380 | 720 | 200 | 44 | 84 | 970 | 132 | 6 |
| 183 | NXH300-380A | 666 | 185 | 38 | 80 | 970 | 110 | 6 |
| 184 | NXH300-380B | 614 | 170.6 | 32 | 78 | 970 | 90 | 6 |
| 185 | NXH300-235(I) | 1080 | 300 | 40 | 82 | 970 | 160 | 6 |
| 186 | NXH300-235(I)A | 965 | 268.1 | 32 | 80 | 970 | 132 | 6 |