Why Choose Grundfos CR Pumps?
Grundfos pioneered the multistage in-line pump design, and continuous development ensures the CR series remains unmatched globally. The new generation CR pumps feature a full range of sizes with limitless combinations to suit specific industrial and commercial requirements across the UAE and beyond.
Key Advantages of Grundfos CR Series
- Superior Reliability: Proven performance in extreme conditions including high temperatures, long operating hours, and demanding environments
- Unmatched Cost Efficiency: EFF1 rated motors reduce electricity consumption by up to 85% of total lifetime costs
- Extensive Range: 11 flow sizes and hundreds of pressure configurations ensure perfect pump matching
- Temperature Versatility: Operating range from -40°C to +180°C
- Material Options: Available in titanium, AISI 316, AISI 304, and AISI 304/cast iron combinations
Grundfos CR Series Features and Innovations
Grundfos MG Motors
Grundfos manufactures its own motors to ensure maximum performance. The MG motors are remarkably silent and highly efficient, with EFF1 classification for all 3-phase 50Hz motors. The self-regulating MGE configuration features an integrated frequency converter for ultimate control.
Patented Cartridge Seal Design
The specially designed cartridge seal increases reliability, ensures safe handling, and enables easy service access. Key benefits include:
- Seal replacement within minutes without dismantling the pump
- No special tools required for maintenance
- Balanced type seal less sensitive to pressure variations
- Eliminates incorrect assembly and preloading issues
- Hardwearing materials prevent downtime and prolong seal lifetime
Advanced Shaft Seal Solutions
The cartridge shaft seal configuration comes in a wide choice of materials and is available in flushed seal, double seal, and magnetic drive configurations. Temperature handling from -40°C to 180°C makes it suitable for extreme applications.
LiqTec Dry-Running Protection
The patented Grundfos LiqTec system eliminates the risk of breakdowns due to dry running. This plug-and-play technology constantly monitors liquid presence in the pump and immediately stops operation if no liquid is detected, preventing damage before it occurs.
High-Performance Hydraulics
Pump efficiency is maximised through state-of-the-art hydraulic design and precision production technology. Grundfos has achieved a 10% increase in pump efficiency through three key innovations:
- Minimised Internal Leakage: Floating seal ring between chambers reduces energy waste
- Enhanced Impeller Design: Laser-welded impellers ensure streamlined flow and reduced friction
- Precision Manufacturing: Near-perfect geometries and tolerances from custom-developed tools
Durable Bearing System
CR bearings feature exceptional longevity thanks to hardwearing materials and a wide range of options for difficult liquids, ensuring reliable operation in demanding industrial environments.
Grundfos CR Pump Range – Material Variants
| Model | Material Construction | Best Applications |
|---|---|---|
| CR | Stainless Steel AISI 304 with Cast Iron Top and Base | General water supply, HVAC systems, industrial applications |
| CRI | Stainless Steel AISI 304 Throughout | Clean water applications, domestic systems, light industrial |
| CRN | High-Grade AISI 316 Stainless Steel Throughout | Corrosive liquids, seawater, chemical applications |
| CRT | Titanium Throughout | Extremely aggressive liquids, maximum corrosion resistance |
Application Capabilities – CR Range Meets All Challenges
| Liquid Type | Examples |
|---|---|
| Aggressive or Corrosive Liquids | Seawater, hypochlorites, hydrochloric acid, ferric chloride, nitric acid, chromic acid |
| Abrasive Liquids | Metasilicate, abrasive cleaners/degreasers, phosphates |
| Toxic or Explosive Liquids | Trichloroethylene, toluene, petrol, ethyl alcohol, methyl alcohol |
| High-Viscosity Liquids | Glycols, lubricating oils, vegetable oils |
| Hardening Liquids | Paints |
| Crystallising Liquids | Glycol additives, naphthalene, sugar products (dextran), salts |
| High Pressures | Water treatment, cleaning/washing systems |
| Extreme Temperatures | Oils, boiler feed, secondary coolants |
Technical Specifications – Complete CR Range
| Parameter | CR 1s | CR 1 | CR 3 | CR 5 | CR 10 | CR 15 | CR 20 | CR 32 | CR 45 | CR 64 | CR 90 | CR 120 | CR 150 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature Range (°C) | -20 to +120 | -20 to +120 | -20 to +120 | -20 to +120 | -20 to +120 | -20 to +120 | -20 to +120 | -30 to +120 | -30 to +120 | -30 to +120 | -30 to +120 | -30 to +120 | -30 to +120 |
| On Request (°C) | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 | -40 to +180 |
| Max Pump Efficiency (%) | 35 | 48 | 58 | 66 | 70 | 72 | 73 | 78 | 79 | 80 | 81 | 75 | 72 |
| Flow Range (m³/h) | 0.3-1.1 | 0.7-2.4 | 1.2-4.5 | 2.5-8.5 | 5-13 | 9-24 | 11-29 | 15-40 | 22-58 | 30-85 | 45-120 | 60-160 | 75-180 |
Available Versions by Model
| Version | CR 1s | CR 1 | CR 3 | CR 5 | CR 10 | CR 15 | CR 20 | CR 32 | CR 45 | CR 64 | CR 90 | CR 120 | CR 150 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CR (AISI 304/Cast Iron) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| CRI (AISI 304) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | – | – | – | – | – | – |
| CRN (AISI 316) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| CRT (Titanium)* | ✓ | ✓ | ✓ | ✓ | ✓ | – | – | – | – | – | – | – | – |
*CRT available in sizes 2, 4, 8, and 16
Pipe Connection Options
CR Pipe Connections
| Connection Type | CR 1s/1/3 | CR 5 | CR 10 | CR 15 | CR 20 |
|---|---|---|---|---|---|
| Oval Flange (BSP) | Rp 1 | Rp 1¼ | Rp 1½ | Rp 2 | Rp 2½ |
| Flange (DN) | DN 25/DN 32 | DN 25/DN 32 | DN 40 | DN 50 | DN 50 |
CRI Pipe Connections
| Connection Type | CRI 1s/1 | CRI 3/5 | CRI 10 | CRI 15/20 |
|---|---|---|---|---|
| Oval Flange (BSP) | Rp 1 | Rp 1¼ | Rp 1½ | Rp 2 |
| PJE Coupling (Victaulic) | Rp 1¼ / DN 32 | Rp 1¼ / DN 32 | Rp 2 / DN 50 | Rp 2 / DN 50 |
| Clamp Coupling (L-coupling) | Ø48.3 | Ø48.3 | Ø60.3 | Ø60.3 |
| Union (+GF+) | Rp 2 | Rp 2 | Rp 2¾ | Rp 2¾ |
Large CR/CRN Flange Connections
| Model | CR 32 | CR 45 | CR 64 | CR 90 | CR 120 | CR 150 |
|---|---|---|---|---|---|---|
| Standard Flange | DN 65 | DN 80 | DN 100 | DN 100 | DN 125 | DN 125 |
| On Request | DN 80 | DN 100 | DN 125 | DN 125 | DN 150 | DN 150 |
Energy Efficiency – Reduce Operating Costs
Electricity accounts for approximately 85% of the total lifetime cost of a pump, making energy efficiency crucial for cost reduction. All Grundfos CR 3-phase 50Hz motors bear the EFF1 mark, representing the highest efficiency classification available.
Annual Energy Savings with Grundfos CR Pumps
| Application Type | Typical Duty Point | Operating Hours/Day | CR kWh Reduction/Year | MG Motors kWh Reduction/Year | Total Annual Reduction |
|---|---|---|---|---|---|
| Water Supply | 80 m³/h at 6 bar | 24 hours | 18,500 kWh | 5,200 kWh | 23,700 kWh |
| Water Treatment | 2 m³/h at 15 bar | 15 hours | 3,200 kWh | 600 kWh | 3,800 kWh |
| General Industry | 6 m³/h at 10 bar | 10 hours | 2,200 kWh | 400 kWh | 2,600 kWh |
Additional Benefits of EFF1 Motors
- Quieter operation due to smaller cooling fans
- Higher ambient temperature tolerance – up to 60°C
- Lower motor operating temperatures extend equipment life
- Potential for smaller motor sizing due to 10% pump efficiency increase
Grundfos CRE Series – Variable Speed Solutions
The CRE series combines CR pump technology with sophisticated variable-speed motors for ultimate efficiency and control. These pumps continually adapt performance to match current conditions, delivering exact flow and pressure requirements.
CRE Capabilities
- Constant pressure control
- Constant differential pressure
- Stable pH levels maintenance
- Specific temperature control
- Carefully timed operation
- Remote control and management system integration
- Performance monitoring and control in single solution
Customisation Options – Mix and Match
The Grundfos CR pump can be customised to meet individual requirements through a modular approach.
Motor Options
| Option | Description |
|---|---|
| Single Phase Motors | For domestic and light commercial applications |
| Four Pole Motors | Lower speed operation for specific requirements |
| CEMEP EFF1 Motors | High efficiency standard |
| ATEX Approved | Explosion-proof variants for hazardous environments |
| Anti-Condensation Unit | Motor heater for humid environments |
| Harting/Industrial Plugs | Industrial connector options |
| CSA/UL Approved | Canadian/US certification |
Shaft Seal Options
| Configuration | Application |
|---|---|
| Many Seal Face Materials | Match to specific liquid requirements |
| Titanium Shaft Seal | Maximum corrosion resistance |
| Rubber (O-ring) Variety | Chemical compatibility options |
| Non-Cartridge Solution | EN12756 standard seals |
| Air-Cooled | Liquid temperatures up to +180°C |
| Low Temperature | Down to -40°C |
| MAGdrive | Magnetic coupled pump for zero leakage |
| Double Back-to-Back | Leakage-proof double seal design |
| Flushed Seal (Quench) | For crystallising or hardening liquids |
| Barrier Fluid Solutions | Intensifier and dosing pump options |
Connection Options
- CR Oval Flange – Internal thread (BSP)
- CR Flange – DIN, JIS and ANSI standards
- CRI/CRN PJE – Victaulic coupling
- CRI/CRN Flange – DIN, JIS and ANSI
- CRI/CRN Clamp – Compact clamp system
- CRN TriClamp – Pharmaceutical/food industries
- CRI/CRN Union – External thread (+GF+)
- CRT PJE – Victaulic coupling, all-titanium
- Custom Connections – Customer specified solutions
Pump Options
- High Pressure – Pump pressure up to 45 bar
- Horizontal Mounting – When height is limited
- All Stainless Steel – Base plate, flanges and motor stool
- Low NPSH – For poor inlet conditions
- Bearing Flange – For high inlet pressures
- LiqTec Sensor – Dry running/motor protection
- Pulley Head – For non-electric drivers (e.g., diesel)
- Surface Treatment – Electro polished, cleaned or silicone-free
- Alternative Colour – Customised paint finish
- Certificates – Many pump and material certificates available
Industries and Applications
The Grundfos CR pump series serves diverse industries throughout the UAE:
- Boiler Feed Systems
- Fire Fighting Systems
- Industrial Washing
- Water Treatment Plants
- Industrial Cooling
- Car Washing Facilities
- Bleach Factory Operations
- Petrochemical Industries
- Seawater Applications
- Chemical Liquid Handling
- HVAC Systems
- Pressure Boosting
- Reverse Osmosis Systems
- Building Services
Quality Assurance and Testing
Every Grundfos CR pump undergoes comprehensive testing before leaving the factory:
- Performance testing
- Power consumption verification
- Static pressure testing
- ISO 9001 certified production
- Rigorous process control standards
Spacer Coupling Innovation
For large pumps with motors weighing more than 35 kg, the innovative Grundfos spacer coupling allows seal replacement without removing the heavy motor. This unique feature minimises downtime and reduces maintenance costs significantly.
Why Buy Grundfos CR Pumps from Online Stores in Dubai?
As an authorised Grundfos Water Pump Dealer in Dubai, Online Stores in Dubai offers:
- Complete CR, CRI, CRN, and CRT range availability
- Competitive pricing across the UAE
- Expert technical support and pump selection assistance
- Genuine Grundfos spare parts and accessories
- Fast delivery throughout Dubai and the Emirates
- After-sales service and support
Performance Range Overview
The Grundfos CR series covers an extensive performance envelope:
| Parameter | 50 Hz Operation | 60 Hz Operation |
|---|---|---|
| Flow Range | 0.18 to 200 m³/h | 0.18 to 200 m³/h |
| Head Range | 20 to 400+ metres | 20 to 400+ metres |
| Maximum Efficiency | Up to 81% | Up to 81% |
Contact Online Stores in Dubai
For expert advice on selecting the right Grundfos CR pump for your application, contact Online Stores in Dubai. Our team of specialists can help you configure the perfect pump solution from the extensive CR range, ensuring optimal performance and efficiency for your specific requirements.
Browse our complete Grundfos Water Pump Dealer in Dubai catalogue to discover the full range of industrial and commercial pumping solutions available.
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