Horizontal Centrifugal Pump
Installation Feature: Horizontal Layout Universal Design
A universal centrifugal pump with horizontal installation as the core feature, the horizontal centrifugal pump has a horizontally arranged pump shaft. The motor and the pump body are connected through a coupling, and the coaxiality is easy to adjust, making it the most widely used model currently. When the horizontal centrifugal pump works, the fluid is sucked horizontally from one side of the pump body, pressurized by the horizontal impeller and discharged horizontally from the other side. The flow channel is gentle, the pressure distribution is uniform, and the long-term operation stability is strong.
Structural Design and Key Performance
The structural advantage of the horizontal centrifugal pump lies in the adoption of an integrated cast iron base with good shock absorption performance. The bearing seat adopts oil bath lubrication, with a long maintenance cycle (up to 6 months). The impeller can be designed as a closed or semi-open type according to the medium solid content.
The performance covers a wide range
|
Parameter Name (Symbol) |
Core Function |
Range |
|
Flow Rate (Q) |
Indicates the hourly sewage delivery capacity and determines sewage discharge efficiency |
1-1000m³/h (Small-sized: 1-50m³/h; Large-sized: 50-1000m³/h) |
|
Head (H) |
Determines the sewage lifting height and long-distance conveying capacity |
5-100m (Small-sized: 5-30m; Large-sized: 30-100m) |
|
Power (P) |
Motor driving power, directly affecting the upper limits of flow rate and head performance |
0.75-320kW |
|
Caliber (DN) |
Diameter of water inlet and outlet, which shall match the on-site sewage pipe size |
25-300mm |
|
Medium Temperature |
Adapts to sewage of different temperatures to avoid equipment damage |
Normal Temperature Type (≤40℃); High Temperature Type (≤100℃) |
|
Medium Concentration |
Refers to the solid particle content in sewage, affecting the pump's anti-clogging and wear resistance |
Solid Content ≤10%-30% |
|
Parameter Name (Symbol) |
Core Function |
Common Range/Description |
|
Flow Rate (Q) |
Volume of fluid delivered per unit time, reflecting the pump's delivery capacity |
Several L/min to thousands of m³/h; Common units: m³/h, L/min |
|
Head (H) |
Energy obtained per unit weight of fluid, reflecting the pump's ability to overcome resistance and lift fluid |
Single-stage ≤125m; Multi-stage up to thousands of meters (Unit: m water column) |
|
Rotational Speed (n) |
Impeller rotation speed, matched with the motor, directly affecting flow rate and head |
Common: 2900r/min, 1450r/min |
|
Efficiency (η) |
Ratio of effective power to shaft power, reflecting energy conversion efficiency |
Ordinary type: 90%-98%; Highest efficiency under design conditions |
|
Net Positive Suction Head (NPSH) |
Minimum suction pressure margin to prevent cavitation in the pump and protect the impeller |
Unit: m; Device margin must be greater than required margin |
|
Medium Adaptability |
Determines the material selection of pump body and components to ensure equipment durability |
Including temperature, viscosity, corrosiveness, solid content; Select materials as needed |
Wide Application in Universal Scenarios
The horizontal centrifugal pump is widely used in scenarios such as cooling systems of industrial production lines, water supply of municipal waterworks, agricultural irrigation pumping stations, and lift pumps of sewage treatment plants. It is especially suitable for large-flow, fixed installation working conditions. During maintenance, the pump cover can be directly removed to replace components, with low operation difficulty.
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