
KOLEBURG BH500L Horizontal Centrifugal Pump SeriesProduct
No Clogging Centrifugal Pump
Specification
Parameter | Specification | Remarks |
|---|---|---|
Model | KOLEBURG BH500L | Horizontal Centrifugal Series |
Flow Rate | 1836-3672 m³/h | Ultra-large continuous output |
Head | 5-20.5 m | Low-to-medium lift adaptation |
Outlet Diameter | 500 mm | Large caliber for high flow |
Motor Power | 45-280 KW | Customizable by working conditions |
Motor Poles | 6/8/10/12-pole | Multi-speed matching |
Rotation Speed | 490-990 rpm | Stable operation, low noise |
Protection/Insulation Class | IP68 / Class F | Harsh environment compatible |
Efficiency Class | IE3 High Efficiency Motor | Energy-saving, cost-reducing |
- ISO、CE、EAC
- L/C Accepted
- 7*24H Response
- Accept customization
KOLEBURG BH500L horizontal centrifugal pump Information
Model & Information
Model parameter table, performance curves, drawings
| KOLEBURG BH500L Series Product Model | |||||||
| NO | Model | Flow (m3/h) | Lift (m) | Power(KW) | Speed( rpm) | Inlet (DN) | Motor Type |
| 1 | BH500L-Q1836H5N45F490 | 1836 | 5 | 45 | 490 | 500 | Twelve-stage motor |
| 2 | BH500L-Q2088H9N75E585 | 2088 | 9 | 75 | 585 | 500 | Ten-stage motor |
| 3 | BH500L-Q2160H6N55E585 | 2160 | 6 | 55 | 585 | 500 | Ten-stage motor |
| 4 | BH500L-Q2664H17N220C990 | 2664 | 17 | 220 | 990 | 500 | Six-stage motor |
| 5 | BH500L-Q2700H14N155D740 | 2700 | 14 | 155 | 740 | 500 | Eight-stage motor |
| 6 | BH500L-Q2772H11-6N132D740 | 2772 | 11.6 | 132 | 740 | 500 | Eight-stage motor |
| 7 | BH500L-Q2880H8N100D740 | 2880 | 8 | 100 | 740 | 500 | Eight-stage motor |
| 8 | BH500L-Q3528H28-5N315C990 | 3528 | 28.5 | 315 | 990 | 500 | Six-stage motor |
| 9 | BH500L-Q3672H20-5N280C990 | 3672 | 20.5 | 280 | 990 | 500 | Six-stage motor |


Tailored to your exact needs, our centrifugal pumps are engineered with application-specific parameters to deliver optimized efficiency, durability, and operational reliability.
Materials & Surface Treatments
Pump body & impeller
Pump Casing Material & Treatment
Material | Heat Treatment | Surface Processing |
|---|---|---|
Cast Iron/Carbon Steel | Epoxy Resin Coating | |
Passivation | ||
Passivation | ||
Pickling & Passivation | ||
Lining Bonding Curing | Surface Polishing | |
Passivation |
Impeller Materials and Handling
Application Scenario | Pump Body (Material & Treatment) | Impeller (Material & Treatment) |
|---|---|---|
Sewage Treatment Plant | Cast Iron + Annealing + Epoxy Coating | ZG/20Cr13 + Quenching & Tempering |
Food Processing Industry | 304L + Solution Annealing + Passivation | 304L + Solution Annealing |
Mining Industry | Carbon Steel + Rubber Lining + Curing | High-Chromium Cast Iron + Quenching & Tempering |
Chemical Plant | 316L + Solution Annealing + Passivation | 316L + Solution Annealing |
Centrifugal pump
Application industry

Municipal & Industrial Wastewater


Recommended Material Combinations
According to the usage scenario, the final solution is to match the materials of the pump body and impeller.
Application Scenario | Pump Casing | Impeller |
|---|---|---|
Sewage Treatment Plant | Cast Iron + Epoxy Coating | ZG/20Cr13 (Quenched & Tempered) |
Food Processing Industry | 304/304L | 304/304L (Solution Annealed) |
Chemical Plant | 316/316L | 316/316L (Solution Annealed) |
Construction Project | Rubber Lined | High-Chromium Cast Iron (KmTBCr26) |
Key Product Advantages
- Ultra-Large Flow & Multi-Speed Adaptability: With a flow rate of 1836-3672 m³/h and 6/8/10/12-pole motor options, it flexibly meets large-flow transfer needs, reducing multi-pump configuration costs.
- Superior Anti-Clogging Performance: The optimized L Single Helix Pump Impeller ensures smooth passage of solids and fibers, reducing clogging risks by 80% compared to traditional centrifugal pumps.
- Durable & Energy-Saving Design: Multiple high-performance pump material options with professional heat treatment extend service life by 30-50%; the IE3 motor reduces energy consumption by 15-25% versus ordinary motors.

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KOLEBURG BH50SL Horizontal Centrifugal Pump
The world’s leading manufacturer of non-clogging pumps
User support
Provide different support solutions for OEM and KOLEBURG brands respectively.
I Want KOLEBURG brands
Professional technology. Unity, excellence, influence. Excellent service.
Total selection interval chart
Comprehensive reference
Provide you with a multi-caliber selection range reference

centrifugal pump manufacturers
Our advantages
Non-Clogging Technology
Flow Channel Optimization
The pump casing flow path is optimized through advanced CFD fluid analysis, ensuring minimal hydraulic resistance during operation. This design significantly reduces impurity adhesion and minimizes clogging risk — improving the efficiency and reliability of the wastewater pump system.
Excellent Solids Handling Performance
The impeller is designed with a wide flow passage, allowing large solid particles and fibrous materials to pass through easily. This ensures strong solids handling capability and non-clog performance, making it ideal for industrial sewage and wastewater applications.
Anti-Clog Balanced Hydraulic Structure
The inlet adopts an anti-vortex guide design, effectively preventing debris entanglement at the impeller inlet. This anti-clog structure maintains balanced flow, reduces blockage risk, and enhances the long-term durability of the submersible sewage pump.
Stable Application Performance
This pump is suitable for muddy water, suspended solids, fibrous materials, and lightly polluted wastewater, ensuring stable and continuous operation over long periods. It is widely used in industrial wastewater treatment, drainage systems, and municipal pumping stations.

Our advantages as a centrifugal pump manufacturer
With excellent performance, durability and high energy saving, we provide you with reliable fluid solutions.learn more
We specialize in the independent production of pump casings and impellers, which are the core components of the screw centrifugal pump.
The pump body is precisely cast and machined in-house, ensuring excellent dimensional accuracy and long-term durability.
The impeller adopts high-efficiency spiral and centrifugal geometry, manufactured using CNC machining and dynamic balancing to guarantee smooth operation and superior hydraulic performance.

Cooperation Advantages
Professional Manufacturing Experience
Over 23 years of experience in pump design and manufacturing, focusing on screw centrifugal pumps and wastewater equipment, ensuring reliable quality and stable performance.
Independent Core Component Production
We manufacture pump casings and impellers in-house, using advanced CNC machining and dynamic balancing technology, to ensure precise assembly and high hydraulic efficiency.

We provide custom-designed pump solutions tailored to the specific needs of each client.
Our professional engineering team can adjust key parameters — including flow rate, head, material, inlet/outlet interface, and sealing method — to achieve optimal performance for different working conditions.
Through advanced CFD hydraulic optimization and precision manufacturing, we ensure every customized pump delivers high efficiency, reliability, and durability even under complex environments.

Product application
Driving the lifeblood of industry and protecting urban circulation are the core missions of each of our pumps.
Pump Centrifugal Parts
Reliable parts supply provides worry-free guarantee and long-term operation and maintenance for your pumping system.
Frequently Asked Questions (FAQs)
Our engineering team provides free, expert selection support. Simply share your key parameters—such as fluid type, required flow rate (e.g., GPM or m³/h), total head (e.g., feet or meters), temperature, and system specifications—and we will recommend the optimal pump model for maximum efficiency and reliability.
For standard models, we often have stock available or can offer short production cycles. The exact lead time depends on the specific pump model and our current order schedule. We understand project urgency and offer expedited production options for critical needs whenever possible.
All our pumps come with a comprehensive warranty. We are committed to your long-term satisfaction through a robust support network, offering rapid technical assistance, readily available spare parts, and expert maintenance services to minimize downtime.
The longevity of critical parts like impellers and mechanical seals is our priority. We utilize high-performance materials (e.g., stainless steel, cast iron) and precision manufacturing, including dynamic balancing. Our mechanical seals are sourced from leading suppliers to ensure durability in demanding conditions.

Talk to Our Product Experts Today!
Related centrifugal Pump FAQS
1. Basic Definitions and Concepts
1.1 What is a horizontal centrifugal pump?
1.2 How does a horizontal centrifugal pump work?
1.3 What are the core components of a horizontal centrifugal pump?
2. Functions and Applications
2.1 What are the main functions of a horizontal centrifugal pump?
2.2 Which application scenarios are horizontal centrifugal pumps suitable for?
Application Scenario | Handled Medium | Core Advantage |
|---|---|---|
Sewage Treatment Plant | Activated Sludge, Recycled Sewage | Anti-clogging single helix impeller ensures continuous operation |
Food Processing Industry | Production Wastewater, Food Waste | Food-grade material options meet hygiene standards |
Mining Industry | Mining Slurry, Mineral Wastewater | Wear-resistant materials adapt to high-abrasive media |
Chemical Plant | Corrosive Effluents | Corrosion-resistant materials ensure long-term stability |
3. Product Types and Specifications
3.1 What are the key specifications of the KOLEBURG BH500L horizontal centrifugal pump?
Specification Item | Parameter Range | Applicable Note |
|---|---|---|
Flow Rate | 1836-3672 m³/h | Ultra-large continuous output |
Head | 5-20.5 m | Low-to-medium lift adaptation |
Outlet Diameter | 500 mm | Large caliber for high flow |
Motor Power | 45-280 KW | Customizable by working condition |
Motor Poles | 6/8/10/12-pole | Multi-level speed matching |
Rotation Speed | 490-990 rpm | Stable operation with low noise |
Protection/Insulation Class | IP68 / Class F | Adapt to harsh environments |
Efficiency Class | IE3 | Energy-saving and cost-reducing |
4. Performance and Indicators
4.1 What are the key performance indicators of horizontal centrifugal pumps?
Performance Indicator | Indicator Value | Compliance Standard |
|---|---|---|
Waterproof Grade | IP68 | IEC 60529 |
Insulation Class | Class F | IEC 60034-1 |
Motor Efficiency | IE3 | IEC 60034-30-1 |
Service Life | ≥8000 Operating Hours | ISO 9906 |
4.2 How to evaluate the performance of a horizontal centrifugal pump?
5. System and Supporting Equipment
5.1 What supporting equipment is required for the normal operation of a horizontal centrifugal pump?
Supporting Equipment | Core Function | Selection Requirement |
|---|---|---|
IE3 High-Efficiency Motor | Provide rotational power | Match pump power (45-280 KW) |
Mechanical Seal | Prevent fluid leakage | Adapt to medium corrosion |
Frequency Conversion Cabinet | Adjust speed and control operation | Compatible with motor parameters |
5.2 Can horizontal centrifugal pumps be integrated with other systems?
6. Installation, Use and Maintenance
6.1 How to correctly install a horizontal centrifugal pump?
6.2 What are the key points of daily use and maintenance of horizontal centrifugal pumps?
Maintenance Item | Maintenance Cycle | Operation Requirement |
|---|---|---|
Bearing Lubrication | Every 500 Hours | Replenish special lubricating oil |
Mechanical Seal Inspection | Every 1000 Hours | Check for leakage and wear |
Impeller Cleaning | Every 2000 Hours | Remove surface attachments |
7. Cost and Services
7.1 What constitutes the operating cost of a horizontal centrifugal pump?
7.2 What after-sales services does KOLEBURG provide for the BH500L?
8. Industry and Certification
8.1 Which international industry standards do horizontal centrifugal pumps need to comply with?
Industry Standard | Compliance Content | Certification Status |
|---|---|---|
ISO 9906 | Hydraulic performance acceptance | Certified |
IEC 60034-1 | Motor safety and performance | Certified |
IEC 60529 | IP68 waterproof grade verification | Certified |
8.2 What certification requirements are there for horizontal centrifugal pumps in different industries?
9. Purchase and Suppliers
9.1 Where can I purchase the KOLEBURG BH500L horizontal centrifugal pump?
9.2 Does KOLEBURG provide customization services for horizontal centrifugal pumps?
10. Safety and Applicability
10.1 What safety precautions should be noted when using a horizontal centrifugal pump?
10.2 How to judge whether a horizontal centrifugal pump is suitable for specific working conditions?
10.3 What are the recommended material combinations for horizontal centrifugal pumps in different working conditions?
Working Condition | Pump Body Material & Treatment | Impeller Material & Treatment |
|---|---|---|
Sewage Treatment | Cast Iron + Epoxy Coating | ZG/20Cr13 (Quenching + Tempering) |
Food Processing | 304L Stainless Steel (Solution Annealing) | 304L Stainless Steel (Solution Annealing) |
Mining Slurry | Carbon Steel + Rubber Lining | High-Chromium Cast Iron (KmTBCr26) |
Chemical Corrosion | 316L Stainless Steel (Solution Annealing) | 316L Stainless Steel (Solution Annealing) |
11. Pump Body & Impeller Material & Heat Treatment Details
11.1 What are the material options and heat treatment processes for the pump body?
Material | Heat Treatment Process | Surface Treatment |
|---|---|---|
Cast Iron / Carbon Steel | Annealing (relieve internal stress) | Epoxy Resin Coating (200-300μm) |
304/304L | Solution Annealing (1050-1100℃) | Passivation |
316/316L | Solution Annealing (1050-1100℃) | Passivation |
Duplex 2205 | Solution Annealing (1020-1080℃, water quenched) | Pickling & Passivation |
Rubber Lined | Lining Bonding Curing (140-160℃) | Surface Polishing |
Titanium Alloy | Solution Annealing (920-960℃) | Passivation |
11.2 What are the material options and heat treatment processes for the single helix impeller?
Material | Heat Treatment Process | Wear Resistance Grade |
|---|---|---|
ZG/20Cr13 | Quenching + Low-Temperature Tempering | Medium (HRC 48-52) |
316/316L | Solution Annealing | Low (Corrosion-Priority) |
Duplex 2205 | Solution Annealing | Medium-High (HB 280-320) |
High-Chromium Cast Iron (KmTBCr26) | High-Temperature Quenching + Tempering | High (HRC 58-62) |



















