REXROTH/德国力士乐 品牌
经销商厂商性质
苏州市所在地
力士乐液压泵PVV1-1X/018RA15UVB*
力士乐液压泵 力士乐油泵 力士乐叶片泵 力士乐液压阀 力士乐 Rexroth液压泵 Rexroth叶片泵 Rexroth柱塞泵 力士乐柱塞泵。
力士乐液压泵以其结构简单、使用维修方便、效率较高而成为农业上应用zui广泛一种水泵,但也因提不上水而令人倍感烦恼。现就提不上水这一。
力士乐液压泵故意障原因加以分析
1)力士乐液压泵有些用户水泵启动前未灌满足够水;看上去灌水已从放气孔溢出,但未转动泵轴交空气*排出,致使少许空气还残留进水管或泵体中。
2)力士乐液压泵接触进水管水平段逆水流方向应用0.5%以上下降坡度,连接水泵进口一端为zui高,不要*水平。向上翘起,进水管内会存留空气,降低了水管和水泵中真空度,影响吸水。
3)REXROTH叶片泵填料因长期使用已经磨损或填料压过松,造成大量水从填料与泵轴轴套间隙中喷出,其结果是外部空气就从这些间隙进入水泵内部,影响了提水。
4)进水管因长期潜水下,管壁腐蚀出现孔洞,水泵工作后水面不断下降,当这些孔洞露出水面后,空气就从孔进入了进水管。
5)进水管弯管处出现裂痕,进水管与水泵连接处出现微小间隙,都有可能使空气进入进水管。 水泵转速过低
1)人为因素。有相当一部分用户因原配电动机损坏,就随意配上另一台电动机带动,结果造成了流量少、扬程低抽不上水后果。
2)传动带磨损。有许多大型离水泵采用带传,因长期使用,传动带磨损而松也,出现打滑现象,降低了水泵转速。
3)安装不当。两带轮中心距太小或两轴不太平行,传动带紧边安装到上面,致使包角太小,两带轮直径计
算差错以及联轴传动水泵两轴偏心距较大等,均会造成水泵转速变化。
4)REXROTH叶片泵本身机械故障。叶轮与泵轴紧固螺母松脱或泵轴变形弯曲,造成叶轮多移,直接与泵体摩擦,或轴承损坏,都有可能降低水泵转速。
5)动力机维修不录。电动机因绕组烧毁,而失磁,维修中绕组匝数、线径、接线方法改变,或维修中故障未*排除因素也会使水泵转速改变。
6)吸程太大。有些水源较深,有些水源外围势较平坦处,而忽略了水泵容许吸程,产生了吸水少或根本吸不上水结果。要知道水泵吸水口处能建立真空度是有限度,真空时吸程约为10米水柱高,而水泵不可能建立真空。真空度过大,易使泵内水气化,对水泵工作不利。各离心泵都有其zui大容许吸程,一般3~8.5米之间,安装水泵时切不可只图方便简单。
REXROTH叶片泵因其有可变量输送、自吸能力强、可逆转、能输送含固体颗粒的液体等特点,在污水处理厂中,广泛地被使用在输送水、湿污泥和絮凝剂药液方面。螺杆泵选用应遵循经济、合理、可靠的原则。如果在设计选型方面考虑不周,会给以后的使用、管理、维修带来麻烦,所以选用一台按生产实际需要,合理可靠的螺杆泵既能保证生产顺利进行,又可降低修理成本。
力士乐液压泵部分型号:
R900246183 PVV1-1X/036RA15UVB
R900247176 PVV1-1X/036RA15RMB
R900704430 PVV1-1X/046RJ15DMB
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PVV1-1X/018RA15RVB
PVV1-1X/040RA15RMB
PVV2-1X/055RA15UMB
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PVV2-1X/045RA15DMB
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PVV21-1X/045-018RA15DDMB
PVV2-1X/068RA15RMB
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PVV2-1X/055LA15DMB
PVV2-1X/060RB15DMB
PVV41-1X/082-036LA15LLMC
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PVV41-1X/122-018RA15UDMC
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PVV4-1X/098RA15RVC
PVV41-1X/113-027RA15DDMC
PVV42-1X/113-060RA15UUMC
PVV4-1X/098RA15DMCK01
PVV4-1X/082LJ15UMC
PVV4-1X/069RB15DMCK01
PVV21-1X/068-027RJ15DDMB
PVV2-1X/045RA15UVB
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PVV21-1X/040-036RA15UUMB
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PVV4-1X/082RB15DMCK02
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PVV4-1X/098LA15UVC
PVV4-1X/122LJ15DMC
力士乐液压泵PVV1-1X/018RA15UVB*