Vertical Centrifugal Pump
Layout Feature: Vertical Installation Compact Design
A compact model with a vertical installation layout, the vertical centrifugal pump has a coaxial vertical arrangement of the pump body and the motor, which greatly reduces the floor space and is the first choice for installation in narrow spaces. When the vertical centrifugal pump works, the fluid is sucked from the bottom of the pump body, pressurized by the vertical impeller and discharged upward. The flow channel design conforms to the principle of gravity, reducing fluid impact loss and improving operation stability.
Structural Design and Key Performance
The structural feature is the adoption of a suspension bearing assembly and a short shaft design, with a small axial size. The pump body can be directly installed in the pipeline (such as a vertical pipeline pump) without a large base. The sealing system adopts a cartridge mechanical seal, which does not require disassembly of the pipeline during maintenance, improving convenience.
Performance parameters
|
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 |
Application Scenarios for Narrow Spaces
Typical application scenarios include water supply in pipe wells of high-rise buildings, water circulation in small boiler rooms, fluid transportation in laboratories, and pumps for narrow spaces in ship cabins. The vertical centrifugal pump is especially suitable for installation environments requiring "occupying space vertically without occupying floor space", and can save more than 60% of the installation space compared with horizontal pumps.
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