Leo Industrial Electric High Pressure Vertical Multistage Centrifugal Long Shaft Water Pump

OverviewThis series of products have the advantages of advanced design,reasonable structure,exquisite material use,excellent manufacture,wide type spectrum range,high efficiency and energy saving,stable and reliable running,convenient installation and maintenance,and so on.The design of this series of products conforms to CJ/T235-2017"Vertical long shaft pump" of the Chinese urban construction industry standard,and has won more than ten kinds of national patens,the vibration intensity of the pump conforms to the regulations of Class B in the GB/T 29531-2013 vibration measurement and evaluation method of the pump,pump noise conforms to the regulations of Class C in GB/T 29529-2013 pump noise measurement and evaluation method.ApplicationThis series of products are used for conveying media such as fresh water,rain water,oxidized iron sheet water,sewage and sea water with temperature not more than 90ºC. They are used in large thermal power stations and nuclear power stations as circulating pumps,steel works,mines,ship ports and other industrial water,municipal water supply and drainage projects,flood control and drainage projects and LNG receiving Stations.   Performance Parameters TableModelFlow(m³/h)Head(m)Pump efficiency (%)Shaft power (kW)Speed(rpm)Impeller outer diameter(mm)450GLC-66X21740132.683757.51480545Product AttributeAttributeAttributeAttribute valueMaterialImpellerZG07Cr19Ni10Pump shaft20Cr13Pump coverQ235-BBushing20Cr13Suction ConeQT500-7Guide blade bodyQT500-7Lifting pipeQ235-BOutlet bending pipeQ235-BThrust bearingSKFPacking sealPtfe packingWorking conditionsMedium temperatur(ºC)-20~90ºCMaximum ambient temperatur(ºC)40ºCDepth below foundation(m)4-45mRunning modePower frequencyBearing and shaft seal cooling methodExternal industrial water coolingInstallationStructure typeVertical, the outlet is on the top, the rotor cannot be pumpedInstallation methodSingle foundation, secondary grouting of anchor boltsOutlet diameter(mm)DN450Direction of rotationClockwisePressure Level(bar)16Thrust bearing formThe pump bears the thrust / the motor bears the thrustPump thrust bearing lubrication methodThin oil lubricationMotorNumber of motor phases3Protection classIP54Insulation classFMotor power(kW)800Motor modelYKKL500-4Power frequency(Hz)50HZRated voltage(V)6000Energy efficiency rating3Motor speed1480Bearing lubrication methodGrease lubricationBearing lubrication and maintenanceGrease every 1500hSealShaft sealPacking sealPackagePump weight(kg)4150Motor weight (kg)4750Product featuresHigh-efficiency energy saving: the hydraulic model is designed by 3-D flow theory and calculated by CFD computational simulation,with the best performance in theory. Hydraulic components are made of metal mold,impeller blanks are cast precisely,and semi-finished products are machined by CNC;guide blade mould is machined by CNC,guide blade shell and suction cone blank are cast by resin sand,solid flow channel is completely in accordance with design drawings,with efficiency 3-5% higher than similar products, and wide high efficiency zoneHigh reliability:the design of the inlet flow channel is reasonable, the inlet water is uniform without vortex, with smooth running, the absolute concentricity o the pump shaft, and the excellent dynamic and static balance of the rotor parts ensure that the pump has low vibration and low noise when running at high speedLow input: compact structure,small area,small flooding depth and civil excavation depth can meet the requirements of water pump use, but also save civil investment.Low maintenance: reasonable structure,convenient assembly and disassembly, and simple maintenanceStructural feature1.Thrust bearing unit  SKF axial and radial double bearings,with good stressUnder conventional working condition,the heat radiation rib of the outer circle radiates heat,so that the external water receiving difficulty in the field is solvedUnder special working conditions,increase the heat radiation of the coil to ensure that the unit runs for a long timeEquipped with on line vibration measurement and temperature measurement device to ensure safe running2.Secondary hydraulic componentThe upper type structure,the center of gravity close to the foundation,with better stiffness,which can reduces the vibration and improve the running stability of the unit3.Intermediate bearing seatFlanged type at both ends,with high strength,good stress and convenient installation4.Guide bearingThe standard configuration is equipped with Canadian imported thordon guide bearing,with small friction coefficient,vibration absorption and dry starting capacityDesigned with enough lubricating flume,and good cooling lubrication effect5.Outlet bending tubeThe design of the multi rib structure increases the strength and the rigidity of the bodyThe bottom flange increases the thickening design and increased the inherent frequency of the pump unitThe flow channel adopts the integral pressing bend,with higher pressure bearing,and the flow channel