Stainless Steel Submersible Pump
Material Core: Dual Advantages of Sanitary Grade and Corrosion Resistance
Using 304 or 316L stainless steel as the core material, the Stainless Steel Submersible Pump creates an all-stainless steel flow channel system, which has both corrosion resistance and sanitary grade characteristics. This Stainless Steel Submersible Pump is specially designed for scenarios with special material requirements such as conveying acid-base sewage, food processing wastewater, and medical wastewater. The motor and pump body are integrally sealed and operate completely submerged, which not only avoids medium corrosion but also ensures no pollution during conveyance.
Structural Design and Core Performance
Structurally, it adopts an integrated stainless steel pump body casting, with surface polishing treatment (roughness Ra≤0.8μm). The impeller, pump cover and other flow channel components are all made of stainless steel, matched with food-grade mechanical seals (suitable for sanitary scenarios).
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 |
Core Advantages and Application Scenarios
Its core advantages are excellent corrosion resistance, hygienic and non-toxic materials, and easy cleaning and disinfection. The Stainless Steel Submersible Pump is widely used in scenarios such as wastewater treatment in food processing plants, medical wastewater conveyance in pharmaceutical factories, acid-base cleaning wastewater treatment in electronic factories, and emergency sewage discharge in drinking water plants. The 316L material model can be adapted for salt-containing sewage conveyance in marine engineering.
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