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Help CenterSingle Stage Double Suction Centrifugal Pump for Farm Irrigation
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General
Type 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”
Application
GSX 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 range
◆ Capacity：95~9000m3/h
◆ Head：6~205m
◆ Temperature：≤80℃，cooling structure will be adopted for bearing, the material of casing & cover is QT500-7≤150℃
◆ Speed：740~2970r/min
◆ Inlet diameter：125~900mm
◆ Outlet diameter：80~900mm
Structural feature
1.Sealing
◆Superior mechanical seal,long term operation without leakage
◆Mechanical seal,strong interchangeability for universal use by non-asbestos soft packing structure and injection type packing structure
◆Stainless steel shaft sleeve for easy maintenance
◆Half packing gland,large space for packing replacement
2.Protective cover
◆Half-split structure,comply with IE standard,safe and reliable
3.Casing
◆Circular pressure chamber design with high efficiency
◆Double-volute pumping chamber is with balanced radial force and sound strength; bearing and seal are with small force withstanding and long service life
◆Water suction chamber is with split rib design;inlet is without vortex and noise while with stable operation and sound cavitation performance
◆The inlet and outlet water channels are coated with smooth wear-resistant coating,and water loss is small
◆Auto-correct pump cover for easy installation
◆Inlet DN≤500 for universal use by vertical and horizontal types
4.Bearing
◆Short span and enlarged diameter design, stable operation and long service life.
◆Grease lubrication with small and medium pump,online refueling
◆Provided with online vibration and temperature measuring devices to ensure safety operation
◆Transfer high temperature liquid,employ water-cooling structure
5.Shaft
◆Bold design,universal use for 50HZ and 60HZ pump shaft,sound rigidity, and stable operation
◆Full sealing design, no contact with liquid, and easy maintenance
◆Allow short-time inversion, common shaft for forward and reverse rotations
6.Impeller
◆Three-dimensional flow theory design employed,CFD calculation simulation,high efficiency, high efficiency zone width, and sound cavitation performance
◆Provided with modified impeller;comprehensive performance curve is full and wide
◆Adjacent blade is with staggered design;V-shaped outlet;sound flow state;low pulse;small vibration;and high efficiency
◆Double 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 efficiency
◆Metal mold is employed,blank precision casting,CNC machining
Ordering instructions
1.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)>80℃,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
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