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KOLEBURG BH500L Horizontal Centrifugal Pump SeriesProduct

KOLEBURG BH500L Horizontal Centrifugal Pump SeriesProduct

No Clogging Centrifugal Pump

The KOLEBURG BH500L is a high-efficiency, heavy-duty horizontal centrifugal pump featuring a L Single Helix Pump Impeller. Engineered for ultra-large-flow fluid transfer, it excels in handling wastewater containing solid particles and fibrous materials. Complying with international standards (EN ISO 9906, IEC 60034-1), the pump is equipped with an IE3 high-efficiencyMotor and boasts IP68 protection class and Class F insulation, ensuring reliable operation in harsh industrial environments.

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

KOLEBURG BH500L horizontal centrifugal pump Information

Model & Information

Model parameter table, performance curves, drawings

KOLEBURG BH500L Series Product Model
NOModelFlow (m3/h)Lift (m)Power(KW)Speed( rpm)Inlet (DN)Motor Type
BH500L-Q1836H5N45F4901836545490500Twelve-stage motor
BH500L-Q2088H9N75E5852088975585500Ten-stage motor
BH500L-Q2160H6N55E5852160655585500Ten-stage motor
BH500L-Q2664H17N220C990266417220990500Six-stage motor
BH500L-Q2700H14N155D740270014155740500Eight-stage motor
BH500L-Q2772H11-6N132D740277211.6132740500Eight-stage motor
BH500L-Q2880H8N100D74028808100740500Eight-stage motor
BH500L-Q3528H28-5N315C990352828.5315990500Six-stage motor
BH500L-Q3672H20-5N280C990367220.5280990500Six-stage motor
KOLEBURG BH500L Horizontal Centrifugal Pump Series Model_01
I am doing centrifugal pump product design on the computer_

        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

KOLEBURG BH500L horizontal centrifugal pump Series Product pump body and pump impeller main materials and heat treatment process

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

KOLEBURG BH500L horizontal centrifugal pump, industry applications and advantages
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Municipal & Industrial Wastewater

(Sludge Thickening System): Excels in activated sludge transfer and sewage recycling with anti-clogging performance for continuous operation.
Two workers supervise food production
(Brewery, Sugar Industry): Suitable for food waste disposal and production wastewater transfer with food-grade material options meeting hygiene standards.
Abandoned mine stones
Reliable for mining wastewater and slurry transfer with wear-resistant materials adapting to abrasive media.

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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Comprehensive reference

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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.

Spiral impeller 3D diagram
L Single Helix Pump Impeller

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.

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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.

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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.

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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)

1. How do I select the right centrifugal pump for my application?

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.

2. What is your standard lead time for orders?

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.

3. What kind of warranty and after-sales support do you provide?

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.

4. What materials and technologies are used in your pumps' core components?

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.

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Talk to Our Product Experts Today!

Related centrifugal Pump FAQS

1. Basic Definitions and Concepts

1.1 What is a horizontal centrifugal pump?

A horizontal centrifugal pump is a mechanical device designed for fluid transfer with a horizontally mounted shaft aligned with the motor. It converts rotational energy into fluid pressure and velocity through the impeller, enabling continuous and efficient medium transportation. This type of pump is widely used in industrial and municipal fields due to its stable operation, easy maintenance, and strong adaptability to large-flow working conditions. KOLEBURG BH500L is a high-performance horizontal centrifugal pump optimized for ultra-large flow scenarios.

1.2 How does a horizontal centrifugal pump work?

When the motor drives the single helix impeller to rotate, the fluid entering the impeller channel is subjected to centrifugal force and is thrown outward to the volute pump casing. The volute structure gradually reduces the fluid flow velocity and converts kinetic energy into pressure energy, realizing directional and stable fluid transportation. The single helix impeller design enhances the pump’s anti-clogging performance, making it suitable for media containing solid particles and fibrous materials.

1.3 What are the core components of a horizontal centrifugal pump?

The core components of a horizontal centrifugal pump include the pump body, impeller, pump shaft, mechanical seal, and bearing. The pump body provides the fluid flow channel; the impeller is the core power component for fluid acceleration; the pump shaft transmits the motor’s rotational torque; the mechanical seal prevents fluid leakage; the bearing ensures stable rotation of the pump shaft. All components of KOLEBURG BH500L are precision-manufactured to ensure mutual coordination, meeting the requirements of the ISO 9906 standard.

2. Functions and Applications

2.1 What are the main functions of a horizontal centrifugal pump?

The main function of a horizontal centrifugal pump is to realize the efficient transfer of various fluids, including clean water, wastewater, slurry, and corrosive media. It can adjust the flow and head according to working conditions to meet different transportation needs. The KOLEBURG BH500L, with its ultra-large flow design (1836-3672 m³/h), is particularly suitable for large-scale fluid transfer projects requiring continuous and stable operation.

2.2 Which application scenarios are horizontal centrifugal pumps suitable for?

Horizontal centrifugal pumps are widely used in municipal, industrial, and agricultural fields. The following table summarizes the typical application scenarios of KOLEBURG BH500L, the media handled, and its core advantages:
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
These application scenarios fully leverage the large-flow and stable operation characteristics of KOLEBURG BH500L, and all performance indicators meet the relevant industry standards to ensure reliable operation in different harsh environments.

3. Product Types and Specifications

3.1 What are the key specifications of the KOLEBURG BH500L horizontal centrifugal pump?

The key specifications of KOLEBURG BH500L are optimized for ultra-large flow applications. The following table summarizes the core technical parameters, which are formulated in accordance with international industrial pump standards:
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
These specifications ensure that KOLEBURG BH500L has excellent compatibility and interchangeability with mainstream industrial systems, laying a foundation for its wide application in global large-scale projects.

4. Performance and Indicators

4.1 What are the key performance indicators of horizontal centrifugal pumps?

The key performance indicators of horizontal centrifugal pumps determine their operation efficiency, service life, and safety. The following table lists the core performance indicators of KOLEBURG BH500L and their compliance with international standards:
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
These indicators ensure that KOLEBURG BH500L can operate stably in harsh environments such as high humidity and dust. Its efficiency and durability are higher than the industry average, which is crucial for reducing operational downtime and maintenance costs.

4.2 How to evaluate the performance of a horizontal centrifugal pump?

The performance of a horizontal centrifugal pump can be evaluated from three core dimensions: flow-head characteristics, energy efficiency, and reliability. The flow-head characteristic curve reflects the pump’s adaptability to different working conditions; energy efficiency is measured by motor efficiency class (such as IE3) and actual energy consumption; reliability is evaluated by service life, waterproof, and insulation levels. KOLEBURG BH500L has passed strict performance tests in accordance with the ISO 9906 standard, ensuring excellent performance in all dimensions.

5. System and Supporting Equipment

5.1 What supporting equipment is required for the normal operation of a horizontal centrifugal pump?

The normal operation of a horizontal centrifugal pump requires matching supporting equipment to form a complete fluid transfer system. The following table lists the core supporting equipment of KOLEBURG BH500L and its functions:
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
The selection of supporting equipment should be based on actual working conditions. KOLEBURG provides professional matching guidance to ensure the coordination and stability of the entire system, maximizing the pump’s performance and service life.

5.2 Can horizontal centrifugal pumps be integrated with other systems?

Yes, horizontal centrifugal pumps can be integrated with various industrial systems, such as automatic control systems, water treatment systems, and energy recovery systems. KOLEBURG BH500L is designed with a modular structure, which is convenient for integration with different systems. For example, integrating with an automatic control system can realize remote monitoring and intelligent adjustment of pump operation status, improving operation efficiency and reducing manual intervention.

6. Installation, Use and Maintenance

6.1 How to correctly install a horizontal centrifugal pump?

Correct installation is the premise of the stable operation of a horizontal centrifugal pump. First, select a flat and solid foundation to ensure the coaxiality of the pump and motor (coaxiality error ≤0.05 mm). Second, connect the inlet and outlet pipelines, ensuring tight connection without leakage, and install a filter at the inlet to prevent large particles from entering. Finally, check the tightness of the mechanical seal and the lubrication of the bearing. The entire installation process should comply with the API 610 centrifugal pump installation standard. KOLEBURG provides detailed installation guidelines to assist users in standardized operations.

6.2 What are the key points of daily use and maintenance of horizontal centrifugal pumps?

Daily maintenance can effectively extend the service life of horizontal centrifugal pumps. The following table summarizes the key maintenance items, cycles, and operation requirements of KOLEBURG BH500L:
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
It is recommended to establish a complete maintenance record system to track the pump’s operation status. This helps to formulate targeted maintenance plans and ensure that the pump always operates in accordance with industrial equipment management norms.

7. Cost and Services

7.1 What constitutes the operating cost of a horizontal centrifugal pump?

The operating cost of a horizontal centrifugal pump mainly includes three parts: energy cost, maintenance cost, and spare parts replacement cost. Among them, energy cost accounts for 60-70% of the total operating cost. The IE3 high-efficiency motor adopted by KOLEBURG BH500L can reduce energy consumption by 15-25% compared with ordinary motors, significantly reducing long-term operating costs. In addition, the pump’s high reliability reduces maintenance frequency and associated costs, further optimizing the total cost of ownership.

7.2 What after-sales services does KOLEBURG provide for the BH500L?

KOLEBURG provides a full-cycle after-sales service system for BH500L, including pre-sales technical consultation, in-sales installation guidance, and after-sales maintenance support. The product enjoys a 1-year warranty (excluding wearing parts). During the warranty period, free repair or replacement of faulty parts caused by quality issues is provided. In addition, KOLEBURG has a professional after-sales team that can provide on-site maintenance services within 48 hours in key regions to ensure the continuous operation of the pump.

8. Industry and Certification

8.1 Which international industry standards do horizontal centrifugal pumps need to comply with?

Horizontal centrifugal pumps need to comply with multiple international industry standards to ensure product quality and safety. The following table lists the key standards that KOLEBURG BH500L complies with and its certification status:
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
Compliance with international standards enables KOLEBURG BH500L to be sold and used globally, meeting the technical requirements of different countries and regions, and enhancing its market competitiveness.

8.2 What certification requirements are there for horizontal centrifugal pumps in different industries?

Different industries have specific certification requirements for horizontal centrifugal pumps. For example, the food processing industry requires pumps to have food safety certifications (such as FDA certification) to ensure that the materials and processes meet hygiene standards; the chemical industry requires pumps to have corrosion resistance certifications for specific media; the mining industry requires pumps to have wear resistance and safety operation certifications. KOLEBURG BH500L can provide corresponding certification documents according to different industry requirements to meet the access conditions of various application scenarios.

9. Purchase and Suppliers

9.1 Where can I purchase the KOLEBURG BH500L horizontal centrifugal pump?

You can purchase the KOLEBURG BH500L through official authorized channels, including KOLEBURG’s official website, authorized distributors, and regional sales offices. Purchasing through official channels can ensure product authenticity and access to complete after-sales services. For detailed information on regional purchase channels, you can consult KOLEBURG’s official customer service.

9.2 Does KOLEBURG provide customization services for horizontal centrifugal pumps?

Yes, KOLEBURG provides personalized customization services based on user-specific working conditions. The customizable contents of BH500L include pump material (such as 304/304L, 316/316L, Duplex 2205, etc.), motor power, impeller type, and sealing form. Users only need to provide detailed working condition parameters (such as medium composition, temperature, pressure, etc.), and KOLEBURG’s technical team will formulate a professional customization plan to meet the specific needs of different projects.

10. Safety and Applicability

10.1 What safety precautions should be noted when using a horizontal centrifugal pump?

First, check the motor rotation direction before starting to avoid pump damage due to reverse rotation. Second, do not operate beyond the rated parameters to prevent motor overload and overheating. Third, cut off the power supply and hang a warning sign during maintenance to avoid electric shock accidents. Fourth, for flammable and explosive media, ensure the pump’s sealing performance and take explosion-proof measures in accordance with local safety regulations (such as ATEX certification requirements). KOLEBURG provides a complete safety operation manual to guide users in standardized use.

10.2 How to judge whether a horizontal centrifugal pump is suitable for specific working conditions?

Judgment can be made from three core aspects: first, whether the flow and head match the working condition requirements (BH500L: 1836-3672 m³/h flow, 5-20.5 m head); second, whether the selected pump material is compatible with the transported medium (such as 316L for corrosive media, rubber-lined for abrasive media); third, whether the environmental conditions (temperature, humidity, dust) meet the pump’s use requirements (IP68 waterproof, Class F insulation). For uncertain cases, KOLEBURG’s technical team can provide professional working condition evaluation services to ensure the pump’s applicability.

10.3 What are the recommended material combinations for horizontal centrifugal pumps in different working conditions?

Based on rich practical application experience, the following table recommends material combinations for KOLEBURG BH500L in different working conditions, which balance performance and cost:
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)
These material combinations have been verified by a large number of practical cases, ensuring that the pump can maintain stable performance in the corresponding working conditions while optimizing the total cost of ownership. All materials and heat treatment processes comply with relevant industrial standards, further enhancing the reliability of the pump.

11. Pump Body & Impeller Material & Heat Treatment Details

11.1 What are the material options and heat treatment processes for the pump body?

KOLEBURG provides a variety of pump body material options to adapt to different media characteristics. The following table details the materials, heat treatment processes, and surface treatments, all of which meet industrial quality standards:
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
The above materials and processing processes can effectively enhance the corrosion resistance and wear resistance of the pump body, ensuring long-term reliable operation in different harsh environments.

11.2 What are the material options and heat treatment processes for the single helix impeller?

The single helix impeller of KOLEBURG BH500L adopts high-performance wear-resistant materials. The following table details the materials, heat treatment processes, and wear resistance grades:
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)
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