
KOLEBURG LV300L Belt pump Series Product
No Clogging Centrifugal Pump
Specification
Parameter | Specification |
|---|---|
Model | KOLEBURG LV300L Belt Pump Series |
Type | Single Helix Impeller Centrifugal Pump |
Flow Rate | 680-700 m³/h |
Head | 8.6-21 m |
Outlet Diameter | 300 mm |
Motor Power | 15-55 KW (6/8-pole motor) |
Rotation Speed | 740-970 rpm |
Protection/Insulation Class | IP68 / Class F |
Efficiency Class | IE3 High Efficiency Motor |
- ISO、CE、EAC
- L/C Accepted
- 7*24H Response
- Accept customization
KOLEBURG LV300L Series Product Information
Model & Information
Model parameter table, performance curves, drawings
| KOLEBURG LV300L Series Product Model | |||||||
| NO | Model | Flow (m3/h) | Lift (m) | Power(KW) | Speed( rpm) | Inlet (DN) | Motor Type |
| 1 | LV300L-Q680H8-6N22D740 | 680 | 8.6 | 22 | 740 | 300 | Eight-stage motor |
| 2 | LV300L-Q684H5-9N15C970 | 684 | 5.9 | 15 | 970 | 300 | Six-stage motor |
| 3 | LV300L-Q700H14N37D780 | 700 | 14 | 37 | 780 | 300 | Eight-stage motor |
| 4 | LV300L-Q700H16N45D780 | 700 | 16 | 45 | 780 | 300 | Eight-stage motor |
| 5 | LV300L-Q700H21N55D780 | 700 | 21 | 55 | 780 | 300 | Eight-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
KOLEBURG TA80L centrifugal pump Series Product pump body and pump impeller main materials and heat treatment process
Pump Casing Material & Treatment
Recommended Material | Heat Treatment & Surface Processing |
|---|---|
Cast Iron / Carbon Steel | Annealing; Epoxy Resin Coating (200-300μm) |
Solution treatment; Passivation | |
Solution treatment (water quenched); Pickling and passivation | |
No heat treatment; Rubber lining (impact absorption) |
Impeller Materials and Handling
Recommended Material | Heat Treatment & Surface Hardening |
|---|---|
ZG/20Cr13 (420 Martensitic SS) | Quenching + Low-Temperature Tempering (HRC 45-50) |
High-Chromium Cast Iron (Cr26, KmTBCr26) | High-Temperature Quenching + Tempering (HRC 58-62) |
Titanium Alloy | Solution treatment; Passivation |
304/304L Stainless Steel | Solution treatment |
Centrifugal pump
Application industry
KOLEBURG TA80L centrifugal pump Series Product, industry applications and advantages

Municipal & Industrial Wastewater
Ideal for wastewater treatment plants, sewage lifting stations, and industrial effluent containing solids and fibers .

Construction & Dewatering
Effective for tunnel dewatering, foundation pit drainage, and handling sand-laden water on construction sites .

Agricultural & Rural Wastewater
Suitable for farm wastewater, livestock waste disposal, and rural sewage systems .
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 | Processing Combination Rationale |
|---|---|---|---|
| Standard Municipal Sewage | Cast Iron + Epoxy Coating | 20Cr13 (Quenched & Tempered) | Cost-effective combo: epoxy for corrosion, hardened 20Cr13 for wear resistance. |
| Sand-Laden Construction Drainage | Cast Iron / Carbon Steel + Rubber Lining | High-Chromium Cr26 (Quenched & Tempered) | Rubber lining absorbs impact; Cr26 provides top-tier wear resistance. |
| Chemical/High Chloride Wastewater | 316L Stainless Steel | 316L Stainless Steel | Full corrosion resistance lineup for challenging industrial effluents. |
| Seawater/Brine Handling | Duplex 2205 | Duplex 2205 | Optimal chloride and stress corrosion cracking resistance for marine environments. |
Key Product Advantages
- Superior Large-Flow Non-Clogging Performance: The Single Helix Pump Impeller ensures smooth passage of solids and fibrous materials, reducing clogging risks by over 80% compared to standard impellers, which is critical for large-flow fluid transfer scenarios.
- Extended Service Life with Tailored Materials: Diverse material options (from cast iron to titanium alloy) and professional heat treatment processes (e.g., quenching, solution treatment) provide customized solutions for harsh working conditions, extending service life to 7-9 years.
- Energy Efficiency & Reliable Protection: The IE3 high-efficiency motor reduces energy consumption by 15-20% compared to IE2 motors, while the IP68 protection class enables long-term stable operation in wet environments, fully complying with global energy-saving and safety standards.

Related products
Related products
- LV Belt Pump
KOLEBURG LV200L Water Pump Drive Belt Series Product
- LV Belt Pump
KOLEBURG LV150SL Belt Pump Series Product
- LV Belt Pump
KOLEBURG LV150L Belt Pump Series Product
- LV Belt Pump
KOLEBURG LV100SL Belt Drive Pump Series Product
- LV Belt Pump
KOLEBURG LV80L Water Pump Drive Belt Series Product
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

submersible 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 Submersible Pump FAQS
1. Basic Definitions and Core Concepts
1.1 What is a single helix impeller centrifugal pump?
1.2 How does a single helix impeller work in centrifugal pumps?
2. Functions and Applications
2.1 What are the core functions of large-flow centrifugal pumps?
2.2 Which application scenarios are suitable for single helix impeller centrifugal pumps?
Scenario | Handled Media | Core Advantage |
|---|---|---|
Activated sludge, secondary sewage | Anti-clog & large-flow transfer | |
Sewage Recycling | Reclaimed water | Stable flow & corrosion resistance |
Organic wastewater | Hygienic material & anti-clog | |
Agriculture & Breeding Plant | Irrigation water, breeding wastewater | Large-flow & economical operation |
3. Product Types and Specifications
3.1 What are the key specifications of large-flow belt-driven centrifugal pumps?
Parameter | Specification | Compliance Standard |
|---|---|---|
Flow Rate | 680-700 m³/h | ISO 13709 |
Head | 8.6-21 m | EN 733 |
Outlet Diameter | 300 mm | DIN 24256 |
Motor Power | 15-55 KW | IEC 60034-1 |
Motor Pole | 6/8-pole | IEC 60034-1 |
3.2 How does motor pole configuration affect large-flow centrifugal pump performance?
4. Performance and Indicators
4.1 What is the service life of KOLEBURG LV300L?
4.2 How do material and heat treatment affect centrifugal pump performance?
4.2.1 Pump Body Material & Heat Treatment
Material | Heat Treatment | Surface Processing |
|---|---|---|
Cast Iron / Carbon Steel | Annealing | Epoxy Resin Coating (200-300μm) |
Solution treatment | Passivation | |
Solution treatment (water quenched) | Pickling and passivation | |
No heat treatment | Rubber lining (impact absorption) |
4.2.2 Impeller Material & Heat Treatment
Material | Heat Treatment | Hardness |
|---|---|---|
ZG/20Cr13 | Quenching + Low-Temperature Tempering | HRC 45-50 |
High-Chromium Cast Iron (Cr26, KmTBCr26) | High-Temperature Quenching + Tempering | HRC 58-62 |
Titanium Alloy | Solution treatment | HB 280-320 |
304/304L Stainless Steel | Solution treatment | HB 180-220 |
4.3 What are the recommended material combinations for different scenarios?
Application Scenario | Pump Casing | Impeller |
|---|---|---|
Sewage Treatment Plant | Cast Iron + Epoxy Coating | ZG/20Cr13 (Quenched & Tempered) |
Sewage Recycling | 304 Stainless Steel | 304 Stainless Steel |
Food Processing Industry | 316L Stainless Steel | 316L Stainless Steel |
Agriculture & Breeding Plant | Carbon Steel | ZG/20Cr13 |
5. System and Supporting Equipment
5.1 What supporting equipment is required for large-flow centrifugal pumps?
Supporting Equipment | Function | Remarks |
|---|---|---|
Motor control & overload protection | Mandatory | |
Flow/Pressure Sensor | Real-time monitoring of operating parameters | Mandatory |
Quick alignment & maintenance | Optional |
5.2 Does KOLEBURG LV300L integrate with other fluid systems?
6. Installation, Operation and Maintenance
6.1 How to correctly install KOLEBURG LV300L?
- Fix the pump on a reinforced concrete base to reduce vibration during medium-speed (740-970 rpm) operation.
- Use automatic coupler to align the pump with 300 mm discharge pipes, ensuring smooth flow without resistance.
- Check the alignment of bearings and the tightness of mechanical seals to prevent fluid leakage.
6.2 What are the key maintenance tasks and intervals?
Maintenance Task | Interval | Details |
|---|---|---|
Mechanical Seal Inspection | Quarterly | Check for leakage; replace every 2-3 years |
Bearing Lubrication | Semi-annually | Apply high-temperature resistant grease |
Impeller Cleaning & Inspection | Annually | Remove attached debris; check wear condition |
6.3 How to store KOLEBURG LV300L when not in use?
7. Cost and Services
7.1 What factors affect the operational cost of KOLEBURG LV300L?
Cost Factor | Impact Degree | Optimization Measure |
|---|---|---|
Energy Consumption | High | IE3 motor reduces energy use by 15-20% |
Maintenance Cost | Medium | High-quality materials reduce part replacement frequency |
Downtime Loss | Medium | Anti-clog design minimizes operational interruptions |
7.2 What after-sales services are provided for KOLEBURG LV300L?
- 12-month standard warranty (extendable to 24 months)
- On-site installation and operation training
- Global OEM parts supply (48-hour delivery in key markets)
- 24/7 professional technical support
7.3 What is the delivery scope of KOLEBURG LV300L?
8. Industry Standards and Certifications
8.1 What international standards does KOLEBURG LV300L comply with?
Standard Type | Standard Number | Core Requirement |
|---|---|---|
Hydraulic Performance | ISO 13709 | Ensure large-flow efficiency and stability |
Motor Efficiency | IEC 60034-30-1 | Comply with IE3 high efficiency grade |
Waterproof/Insulation | IEC 60529 / IEC 60085 | Guarantee IP68/Class F protection |
Pressure Equipment | EN 12165 | Ensure pump body structural integrity |
8.2 What certifications validate the quality of KOLEBURG LV300L?
- CE Certification (EU Machinery/Low Voltage Directives)
- ISO 9001 Quality Management System Certification
- NACE MR0175 Certification (corrosion-resistant materials)
9. Purchase and Suppliers
9.1 Where can I purchase KOLEBURG LV300L?
- KOLEBURG Official Website: Centrifugal Pump Product Page
- Authorized Distributors (global coverage)
- KOLEBURG Direct Sales Team
9.2 Does KOLEBURG LV300L support customization?
Customization Item | Available Options | Quotation Cycle |
|---|---|---|
Material Upgrade | Titanium Alloy, Duplex 2205, etc. | Within 3 working days |
Motor Configuration | Pole number, power adjustment | Within 3 working days |
Surface Treatment | Special anti-corrosion coating | Within 3 working days |
10. Safety and Applicability
10.1 What does the IP68 waterproof rating mean for centrifugal pumps?
10.2 What media conditions are suitable for KOLEBURG LV300L?
Media Parameter | Suitable Range | Special Suggestion |
|---|---|---|
pH Value | 4-10 | >10 or <4: use 316/316L material |
Solid Content | ≤15% | >15%: use rubber-lined pump body |
Viscosity | ≤50 mPa·s | >50 mPa·s: use 8-pole motor |



















