The submersible axial flow pumps have wide performance ranges which covers most of the applications where those pumps can be used, below are the main parameters of those pumps.
■ Flow Rate:
The most important parameter of the submersible axial flow pumps is the flow rate, which features for large volume. Their flow rate typically ranges from 500 m3/hr to 38000 m3/hr.
■ Head:
Compared to large volume flow rate, the submersible axial flow pumps have distinguishing feature of low discharge head. The head value of those axial flow pumps often ranges from 1.5 to 20 meters
■ Motor Power:
Due to the feature of large volume capacity, the submersible axial flow pumps are normally coupled with big power electric motors which range from 18.5 kW to 1120 kW.
■ Pump Speed:
Due to the wide performance range of submersible axial flow pumps, the pump speed range covers 295 RPM to 1450 RPM with 50Hz motors.
■ Pump Efficiency:
Due to the optimized hydraulic designs, the submersible axial flow pumps have an advantage of high efficiency which ranges from 75% to 90%. It is recommended to operate those pumps at or near the best efficiency point to avoid the vibration or even cavitation.
■ Impeller Diameter:
The diameter of the propeller like impeller is an important parameter of submersible axial flow pumps, as it directly affect the pump flow rate. The diameter of impellers ranges from DN350 to DN1600.
Submersible axial flow pumps have distinct features which make them outstanding compared to other type of pumps. This section shows the features and operational advantages that make submersible axial flow water pumps ideal for various demanding applications in many industries.
■ Higher Pump Efficiency:
Compared to general centrifugal pumps, the submersible axial flow pumps always have higher pump efficiency due to the advanced hydraulic models.
■ Compact Structure:
The submersible axial flow pumps have the pump part and motor part closely combined together, this design reduces the total pump length a lot to save the installation space.
■ Corrosion Resistant:
Our submersible axial flow pumps are designed and built for handling the corrosive fluids, as we have rich experience in selection of correct materials for those pumps.
■ Easy Installation:
Due to the column pipe which can guide the pump into its right position, the submersible axial flow pumps can be quickly installed.
■ Less Maintenance:
Due to the simple and robust structure design, the submersible axial pumps require less maintenance compared to other type of pumps.
■ Intelligent Monitoring:
To make sure the smooth operation, our submersible axial flow pumps can be integrated with thermal sensors, moisture detection and vibration sensors.
■ Solids Handling Ability:
With special design to the flow passage and propeller of our submersible axial flow pumps, they have excellent ability to handle fluids with certain amount of solids or particles.
The unique design in structure of submersible axial flow pumps ensure the smooth operation in the water and long service life of those pumps.
■ Motor Assembly: Features either water-filled or oil-filled cooling system with Class F/H insulation and precision stainless steel shaft construction
■ Pump Configuration: Incorporates multi-blade axial flow impeller with optional adjustable blade angles and flow-stabilizing guide vane assembly
■ Sealing System: Utilizes primary silicon carbide mechanical seals, secondary backup seals, and comprehensive moisture detection chambers
■ Bearing Arrangement: Heavy-duty SKF or FAG bearings with water-lubricated design handle significant axial and radial loading conditions
■ Monitoring Integration: Complete sensor network for temperature monitoring, moisture detection, vibration analysis, and performance assessment
The correct material selection of submersible axial flow pumps are the essential precondition of long service life and optimal performance.
■ Motor Housing: Typically made from cast iron or ductile cast iron, but available with stainless steels or even higher grade materials.
■ Impeller & Guide Vane: For better anti-cavitation considerations, the impeller is recommended to be constructed from stainless steel SS304, SS316, SS316L, or super duplex stainless steels
■ Shaft Assembly: At least SS420 is recommended as the shaft material of submersible axial flow pumps.
■ Bearing Selection: Bearings with special design with water lubrication feature is the key factor to enable the smooth rotation of shaft.
■ Shaft sealing: Mechanical seals made from silicon carbide or tungsten carbide have excellent wear resistant performance.
■ Cable Construction: Electric cables integrated with EPR insulation, mechanical protection and water blocking.
We offer flexible configurations, which means we can customize the submersible axial flow pumps to match your exact requirements.
■ Drive Options: 50 Hz or 60 Hz – whatever works best for your space
■ Mounting Choices: Horizontal or vertical installation – adapts to your layout
■ Control Systems: From basic starters to smart SCADA systems – choose your level of automation
■ Monitoring Package: Vibration sensors and temperature sensors– for predictive maintenance
So where exactly are the submersible axial flow pumps used? Its versatility makes it suitable for numerous applications.
■ Water Treatment Plants: Perfect for intake and discharge points – especially where space is limited
■ Cooling Systems: Excellent for power plant circuits – handles large water volumes efficiently
■ Industrial Processes: Ideal for chemical plants – manages various fluids reliably
■ Irrigation Projects: Great for agricultural systems – handles directional changes smoothly
In summary:
When we look at water management applications, these submersible axial flow pumps really stand out in several key areas. Specifically, they perform exceptionally well in urban flood control systems, agricultural irrigation networks, and various land drainage projects.
Moving to industrial settings, these pumps play crucial roles across different sectors. They're commonly used for power plant cooling water circulation; they handle chemical process systems efficiently; and they're essential for mine dewatering operations.
For municipal services, the benefits are equally impressive. Water treatment plants rely on them for daily operations; wastewater management facilities count on their reliability; and stormwater systems utilize their capabilities to handle sudden surges.
Environmental projects have also found valuable uses for these submersible axial flow pumps. They contribute significantly to river restoration programs, support lake management initiatives, and assist in wetland conservation efforts – all critical environmental protection activities.
When it comes to specialized applications, the range is quite broad. These pumps handle aquaculture water exchange effectively; they support various marine operations; they're deployed for emergency dewatering situations; and they manage water at construction sites reliably.
So what makes theose submersible axial flow pumps so versatile across all these different fields? Essentially, it comes down to two key strengths: their ability to move large volumes of fluid efficiently, combined with their durability in challenging conditions. This powerful combination makes them invaluable tools – providing dependable solutions for today's complex water handling challenges.
