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Leo Industrial Electric High Pressure Horizontal Single Stage Double Suction Centrifugal Water Pump for Farmland Irrigation1
Pump Vacuum Equipment, Water Pump, Centrifugal Pump
LEO GROUP PUMP (HUNAN) CO., LTD.
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Product Description General InformationType GSX series product is characterized by broad comprehensive performance curve,sound hydraulic performance, novel structure,high efficiency,high reliability,low net positive suction head ,and low maintenance.The design,manufacture,and quality of this series product meet the standard of GB/T5656"Technical conditions for centrifugal pumps-Class II"and its efficiency indexes meet the standard of GB/T19762"The minimum allowable values of energy efficiency and evaluating values of energy conservation of centrifugal pump for fresh water" ApplicationGSX series products are mainly used for transport fresh water or other liquid with similar physicochemical properties to fresh water,it can also be widely applied in water supply and drainage system or circulation cooling water system for steel,petrochemical,thermal power generation,mining,and other working conditions Performance Parameters TableModelCapacity(m3/h)Head(m)Pump efficiency (%)Shaft power (kW)Speed(rpm)Impeller outer diameter(mm)Inlet diameter(mm)Outlet diameter(mm)GSX250-770882226767151480770DN300DN2501260216838941512205831018 Product AttributeAttributeAttributesAttribute valueMaterialImpellerZG07Cr19Ni10Pump shaft40CrMachinery SealImport/DomesticPump cover (body)HT250Housing seal ringQ235-B/ZG230-450Impeller sealing ring (optional)ZG07Cr19Ni10BearingImport/DomesticWorking conditionsMedium temperature (oC)<80oCMaximum ambient temperature (oC)40oCInstallationInlet diameter (mm)DN300Outlet diameter (mm)DN250Direction of rotationClockwise from the motor to the pumpEntrance orientationlevel in Exit orientationlevel outBase form/MotorNumber of motor phases3Motor power safety factor1.2Protection classIP54Insulation classFMotor power (kW)900Motor modelYX450-4Power frequency (Hz)50Rated voltage (V)6000Energy efficiency rating2PackagePump weight (kg)1700Motor weight (kg)3780 Structural Feature1.SealingSuperior mechanical seal,long term operation without leakageMechanical seal,strong interchangeability for universal use by non-asbestos soft packing structure and injection type packing structureStainless steel shaft sleeve for easy maintenanceHalf packing gland,large space for packing replacement2.Protective coverHalf-split structure,comply with IE standard,safe and reliable 3.CasingCircular pressure chamber design with high efficiencyDouble-volute pumping chamber is with balanced radial force and sound strength; bearing and seal are with small force withstanding and long service lifeWater suction chamber is with split rib design;inlet is without vortex and noise while with stable operation and sound cavitation performanceThe inlet and outlet water channels are coated with smooth wear-resistant coating,and water loss is smallAuto-correct pump cover for easy installationInlet DN≤500 for universal use by vertical and horizontal types 4.BearingShort span and enlarged diameter design, stable operation and long service life.Grease lubrication with small and medium pump,online refuelingProvided with online vibration and temperature measuring devices to ensure safety operationTransfer high temperature liquid,employ water-cooling structure 5.ShaftBold design,universal use for 50HZ and 60HZ pump shaft,sound rigidity, and stable operationFull sealing design, no contact with liquid, and easy maintenanceAllow short-time inversion, common shaft for forward and reverse rotations6.ImpellerThree-dimensional flow theory design employed,CFD calculation simulation,high efficiency, high efficiency zone width, and sound cavitation performanceProvided with modified impeller;comprehensive performance curve is full and wideAdjacent blade is with staggered design;V-shaped outlet;sound flow state;low pulse;small vibration;and high efficiencyDouble seal ring is employed for the casing and impeller to extend service life of impeller;labyrinth seal design is employed for the impeller seal ring to reduce leakage and improve pump efficiencyMetal mold is employed,blank precision casting,CNC machining Ordering Instructions1.Please provide the following information when placing an order★Pump mode or working conditions data:capacity,head and NPSH(net positive suction head)ect★Medium:working temperature,corrosive or other physical&chemical properties(temperature)>80oC,cooling structure will be adopted for bearing,the material of casing&cover is QT500-7)★Pump inlet pressure★Type of shaft seal(Users have three choices:non asbestos soft packing,mechanical seals and injection type soft packing.if not to specify it,mechanical seals will be supplied.)★Direction of rotation(Counterclockwise rotation is special.if not to indicate direction,clockwise rotation is to be provided.)★Parts material(If not to specify material,pump will be supplied according to standard material )★Motor requirement:power,voltage,protection class,insulation class,cooling method,anti-explosion or not etc★Common base(standard configuration:when motor support number≤315 and pump suction diameter≤350,scope of supply shall include common base.beyond the above scope,it is necessary to specify whether you need pump base or common base when ordering)2.Model selection instructions★The order is not limited by the performance parameters list.data in the catalogue is only special point parameter,we can design and manufacture the product according to the user requirements★If selected model is close to performance parameters,generally standard impeller pumps and high speed pumps are preferred.(to select high speeds pumps,NPSH shall meet the requirements)★For specific speed of 40,60 and 90 low specific speed pumps, if selected product is not running on large flow and low head operation conditions,motor can be calculated according to the actual operating points and appropriately reduced★Pump can be of speed down running,but generally exceeding rated speed acceleration running is not allowed Why Us
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