Grundfos KPL & KWM Axial and Mixed Flow Pumps for High Volume Water Handling
The range of KPL submersible axial flow propeller pumps and KWM submersible mixed flow pumps represents strength and durability, ideal for flood control and other heavy-duty pumping applications. These pumps include innovative features such as the Turbulence Optimiser™ (Patent Pending) that increases efficiency by up to two percentage points. Designed for high flow up to 9000 l/s and head up to 23 metres as standard, the KPL and KWM pumps are built to handle large quantities of water with best-in-class hydraulic efficiency up to 86% and market-leading compact, lightweight design.
As an authorized Grundfos Water Pump Dealer in Dubai, we supply the complete KPL and KWM range with genuine warranty and technical support across the UAE.
Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum Flow Rate | 9,000 l/s (32,400 m³/h) |
| Maximum Head | 23 m (standard) |
| Motor Power Range | 11 kW – 700 kW |
| Frequency | 50 Hz |
| Hydraulic Efficiency | Up to 86% |
| Column Sizes | 11 sizes available |
| Motor Pole Options | 4, 6, 8, 10, 12, 14, 16-pole |
| Construction Materials | Cast iron or stainless steel |
Model Range Comparison
| Feature | KPL (Axial Flow) | KWM (Mixed Flow) |
|---|---|---|
| Pump Type | Submersible axial flow propeller | Submersible mixed flow |
| Impeller | Backswept self-cleaning stainless steel propeller | Hydraulically optimised multi-vane impeller |
| Design | One-piece high precision propeller | Large free-passage smooth design |
| Motor Poles | 4, 6, 8, 10, 12, 14, 16-pole | 4, 6, 8, 10, 12, 14-pole |
| Head Range | Lower head, higher flow | Higher head capability |
| Efficiency | Up to 86% | Up to 86% |
Performance Overview (50 Hz)
KPL Axial Flow Pump Range
| Flow Range (l/s) | Flow Range (m³/h) | Head Range (m) |
|---|---|---|
| 100-500 | 360-1800 | 2-6 |
| 300-1000 | 1080-3600 | 3-8 |
| 500-2000 | 1800-7200 | 4-10 |
| 1000-4000 | 3600-14400 | 5-12 |
| 2000-7000 | 7200-25200 | 6-14 |
| 4000-9000 | 14400-32400 | 7-15 |
KWM Mixed Flow Pump Range
| Flow Range (l/s) | Flow Range (m³/h) | Head Range (m) |
|---|---|---|
| 100-400 | 360-1440 | 8-15 |
| 200-800 | 720-2880 | 10-18 |
| 400-1500 | 1440-5400 | 12-20 |
| 800-3000 | 2880-10800 | 15-23 |
| 1500-5000 | 5400-18000 | 18-23 |
Key Features & Benefits
Turbulence Optimiser™ (Patent Pending)
| Feature | Benefit |
|---|---|
| Design | Expandable rubber ring on pump volute perimeter |
| Function | Expands and adapts to column pipe as flow/pressure increases |
| Result | Reduces turbulence and efficiency losses |
| Efficiency Gain | Up to 2 percentage points improvement |
| Tolerance Compensation | Misalignment and column tolerances no longer affect efficiency |
Reduced Construction Costs
| Feature | Benefit |
|---|---|
| ANSI/Hydraulic Institute Compliance | Follows industry recommendations |
| Compact Design | Reduced pump size |
| Building Footprint | Up to 20% reduction |
| Civil Construction | Significant cost savings |
Sealed Cable Entry (Patented)
| Feature | Benefit |
|---|---|
| Design | Special sealing system |
| Protection | Prevents water entering motor compartment |
| Reliability | Enhanced motor protection |
Balanced Lifting Handle with Cable Support
| Feature | Benefit |
|---|---|
| Balance | Perfect balance when lifting pump |
| Safety | No risk of damage during installation |
| Cable Support | Built-in support prevents cable damage during operation |
Cable Compartment Inspection Hole
| Feature | Benefit |
|---|---|
| Access | Quick and easy inspection |
| Convenience | No need to disassemble large pump sections |
| Safety | Avoids handling big, rigid cables |
| Reliability | Reduces risk of leakages when accessing terminal boards |
Cartridge Seal
| Feature | Benefit |
|---|---|
| Type | Double mechanical cartridge shaft seal |
| Lifespan | Long service life |
| Maintenance | Easily replaced during service |
KPL Propeller Design
| Feature | Description |
|---|---|
| Material | Stainless steel |
| Construction | One-piece backswept design |
| Precision | High precision manufacturing |
| Self-Cleaning | Smooth design—rags and solids slide off |
| Non-Clogging | Great non-clogging performance |
| Reliability | No blade adjustment malfunctions |
KWM Impeller Design
| Feature | Description |
|---|---|
| Type | Multi-vane impeller |
| Design | Hydraulically optimised |
| Free-Passage | Large free-passage capability |
| Surface | Smooth design |
| Efficiency | High operational efficiency |
Applications
Flood and Storm Water Control
- Urban flood protection
- Storm water pumping stations
- Emergency flood relief
- Coastal protection systems
Large Volume Drainage and Irrigation
- Agricultural drainage
- Land reclamation
- Irrigation schemes
- Polder pumping
Raw Water Intake
- Municipal water supply
- Industrial water intake
- Power plant cooling water
- Process water supply
Municipal Sewage Treatment
- Large-scale treatment plants
- Transfer pumping
- Return activated sludge
- Process water circulation
Circulation of Large Water Quantities
- Cooling water circulation
- Industrial process circulation
- Reservoir circulation
- Lake and pond circulation
Water Level Control
- Coastal areas
- Low-lying regions
- Polder management
- Tidal control
Dry Docks and Harbour Installations
- Dock filling and emptying
- Ship repair facilities
- Port infrastructure
- Marina systems
Reservoir Operations
- Filling reservoirs
- Emptying reservoirs
- Transfer between reservoirs
- Emergency drawdown
Motor Configuration Options
| Pole Configuration | Speed (rpm @ 50 Hz) | Application |
|---|---|---|
| 4-pole | 1500 | High speed, lower flow |
| 6-pole | 1000 | Medium-high speed |
| 8-pole | 750 | Medium speed |
| 10-pole | 600 | Medium-low speed |
| 12-pole | 500 | Low speed |
| 14-pole | 428 | Very low speed |
| 16-pole (KPL only) | 375 | Ultra-low speed, high flow |
Material Options
| Component | Options |
|---|---|
| Pump Body | Cast iron or stainless steel |
| Propeller/Impeller | Stainless steel |
| Shaft Seal | Various materials available |
| Surface Coating | Multiple coating options |
| Sensors | Various sensor configurations |
Pump Selection Guide
| Application | Flow Requirement | Head Requirement | Recommended |
|---|---|---|---|
| Urban flood control | High | Low-Medium | KPL |
| Agricultural drainage | Medium-High | Low | KPL |
| Raw water intake | Medium | Medium | KPL or KWM |
| Sewage treatment | Medium | Medium-High | KWM |
| Reservoir filling | High | Medium | KPL or KWM |
| Coastal protection | Very High | Low | KPL |
| Industrial circulation | Medium | Medium-High | KWM |
Why Choose Grundfos KPL & KWM?
Best-in-Class Hydraulic Efficiency
Up to 86% hydraulic efficiency delivers maximum water movement with minimum energy consumption.
Market-Leading Compact Design
Lightweight, compact construction reduces pumping station size and civil construction costs by up to 20%.
Turbulence Optimiser™ Technology
Patent-pending innovation increases efficiency by up to 2 percentage points while compensating for installation tolerances.
Self-Cleaning Hydraulic Design
Backswept propeller (KPL) and smooth impeller (KWM) designs provide excellent non-clogging performance.
Easy Installation and Maintenance
Balanced lifting handle, cable compartment inspection hole, and cartridge seal design simplify installation and service.
Proven Reliability
Cast iron or stainless steel construction with patented sealed cable entry ensures excellent reliability in demanding applications.
Comprehensive Range
11 column sizes with 4 to 16-pole motors and power from 11 to 700 kW cover virtually any high-flow, low-head application.
Water Utility Solutions
The KPL and KWM range supports comprehensive water utility applications:
| Application Area | Role |
|---|---|
| Raw Water Intake | High-volume intake pumping |
| Drinking Water Treatment | Process water transfer |
| Water Distribution | Reservoir management |
| Wastewater Transport | Large-scale transfer |
| Flood Control | Storm water and flood protection |
| Wastewater Treatment | Process circulation |
Grundfos Accessories & Parts
Maintain optimal KPL and KWM performance with original components including stainless steel propellers, multi-vane impellers, double mechanical cartridge shaft seals, Turbulence Optimiser rings, lifting handles with cable support, cable entry seals, terminal boards, motor windings, and wear components. We stock replacement parts for all column sizes and motor configurations.
Select Grundfos Pumps
Browse our complete inventory of Grundfos KPL and KWM axial and mixed flow pumps. As Grundfos Pump Suppliers in Dubai, we provide competitive pricing, technical consultation, system design support, and prompt delivery across Dubai, Sharjah, Abu Dhabi, Ajman, and all UAE locations.
Contact us for:
- Model selection based on flow and head requirements
- KPL vs KWM pump selection guidance
- Column size and motor pole configuration
- Cast iron vs stainless steel material selection
- Flood pumping station design consultation
- Competitive quotations
- Delivery schedules
Powerful Pumping, Efficient Operation
The Grundfos KPL and KWM range delivers axial and mixed flow pumping with flows up to 9,000 l/s (32,400 m³/h), heads up to 23 metres, motor power from 11 to 700 kW, and best-in-class hydraulic efficiency up to 86%. Featuring Turbulence Optimiser™ technology for 2% efficiency improvement, backswept self-cleaning stainless steel propellers (KPL), hydraulically optimised multi-vane impellers (KWM), patented sealed cable entry, balanced lifting handle with cable support, cable compartment inspection hole, double mechanical cartridge shaft seal, and compact design reducing civil construction costs by up to 20%—these pumps handle flood control, large volume drainage, raw water intake, sewage treatment, reservoir operations, and high-volume water circulation in the most demanding applications.