Crafted from robust cast iron with all wetted components made of premium AISI 304 stainless steel, the CR pump is engineered to handle non-corrosive liquids with precision and reliability. Renowned for its exceptional efficiency, it delivers a flow capacity of up to 320 m³/h and operates at a maximum pressure of 40 bar. This vertical centrifugal pump is a versatile solution suitable for demanding applications such as liquid transfer, circulation, pressure boosting for hot and cold water systems, aqua farming, and field irrigation.

Key Features

• Advanced balanced cartridge shaft seal for superior performance and reliability.
• High-durability wear-resistant bearings to ensure extended operational life.
• Maintenance-free mechanical shaft seal, minimizing downtime and servicing needs.

Performance Specifications

• Maximum Flow: 336 m³/h
• Maximum Head: 362 m
• Liquid Temperature Range: -30°C to 150°C
• Maximum Operating Pressure: 40 bar

The CRNE pump, constructed entirely from premium AISI 316 stainless steel, is a high-efficiency in-line multi-stage solution featuring a built-in variable-speed drive. Specifically designed for industrial applications requiring all wetted components to be made of high-grade stainless steel, the CRNE pump is ideal for environments where safety and reliability are critical. It is engineered to handle aggressive, abrasive, toxic, hazardous, and odorous liquids, making it an excellent choice for industries dealing with dangerous substances.

Key Features

• All wetted parts are made from high-grade AISI 316 stainless steel, ensuring exceptional durability and corrosion resistance.
• Automatically adjusts to system requirements for optimized performance and energy efficiency.
• Features a balanced cartridge shaft seal for reliable operation and reduced maintenance needs.

Performance Specifications

• Maximum Flow: 147 m³/h
• Maximum Head: 252 m
• Liquid Temperature Range: -40°C to 120°C
• Maximum Operating Pressure: 30 bar

Technical Data

Single-phase 1 x 200-240 V

Three-phase 3 x 380-500 V

The CRIE pump is an advanced in-line, multi-stage pump equipped with a built-in variable speed drive for efficient and precise control. Constructed from AISI 304 grade stainless steel, it is highly suitable for handling non-corrosive liquids.

Key Features

1. Premium Construction:

   • All wetted components are made of high-grade stainless steel for durability and corrosion resistance.

2. Smart System Adaptation:

   • Capable of automatically adjusting to varying system requirements, ensuring optimal performance.

3. Reliable Sealing:

   • Balanced cartridge shaft seal enhances operational reliability and longevity.

4. Energy Efficiency:

   • Available with an optional IE5 motor, maximizing energy efficiency and minimizing operational costs.

5. Flexible Drive Options:

   • Choose between integrated or external frequency converters for tailored operation.

Applications

Ideal for:

• Liquid transfer.
• Circulation tasks.
• Pressure boosting for cold and hot water systems.

Performance Range

• Max Flow: 35 m³/h.
• Max Head: 252 m.
• Liquid Temperature Range: -20°C to 120°C.
• Max Pressure (p max): 25 bar.

Technical Data

Single-phase 1 x 200-240 V

Three-phase 3 x 380-500 V

The CRN pump is built to deliver high efficiency and reliability in demanding environments, making it ideal for both general and specific industrial applications. Constructed from high-grade AISI 316 stainless steel, it can manage a wide range of liquids, including corrosive and problematic substances.

Key Features

1. High-Quality Construction:

   • Wetted components are made of premium AISI 316 stainless steel for enhanced resistance to corrosion and wear, ensuring longevity and reliability in harsh environments.

2. Reliable Sealing:

   • Equipped with a balanced cartridge shaft seal that improves operational performance and ensures tight sealing, even in challenging conditions.

3. Wear-Resistant Materials:

   • Utilizes wear-resistant bearing materials to extend service life, even under heavy operational loads.

Applications

The CRN pump is suited for a broad spectrum of industries, including:

• Ultra-filtration and reverse osmosis systems.
• Cooling lubricants for machine tools.
• Distillation processes.
• Swimming pools.
• Handling oils, alcohols, acids, alkalis, and various process-water systems.
• Managing problematic liquids in diverse processes.

Performance Range

• Max Flow: 335 m³/h.
• Max Head: 406 m.
• Liquid Temperature Range: -40°C to 150°C.
• Max Pressure (p max): 50 bar.

Technical Data

Single-phase 1 x 200-240 V

Three-phase 3 x 380-500 V

Both the CRNE-HS and CRN-SF configurations are engineered for high-pressure operations and are ideal for a range of industrial applications, including water treatment, boiler systems, filtration, and more. Their construction from high-quality AISI 316 stainless steel ensures they can withstand harsh conditions and work with a variety of liquids.

Key Features

• Durable Construction:

  • Made from AISI 316 stainless steel, providing exceptional resistance to corrosion, particularly in demanding environments.

• High-Pressure Performance:

  • Designed to perform reliably under high pressure, making them ideal for critical applications such as boiler feeding, reverse osmosis, and industrial washing systems.

• Efficient Operation:

  • Engineered for maximum flow and head, ensuring high performance even in challenging conditions.

Applications

These pumps are suitable for:

• Washing systems
• Water treatment plants
• Industrial plants
• Boiler feeding systems
• Filtration systems
• Reverse osmosis processes

Performance Range

• Max Flow: 87 m³/h.
• Max Head: 487 m.
• Liquid Temperature Range: -30°C to 120°C.

Models

• CRNE 10-17    
• CRNE 3-25    
• CRNE 3-23    
• CRNE 3-23    
• CRNE 1-23    
• CRN 64-7    
• CRN 45-12    
• CRN 20-16    
• CRN 20-16    
• CRN 15-16
• CRN 15-16    
• CRN 10-21    
• CRN 10-21    
• CRN 5-34    
• CRN 5-34    
• CRN 3-31

CRE series of pumps, which are versatile, multi-stage pumps with a built-in variable-speed drive for dynamic adjustments based on system requirements. Here's a summary of the key features and specifications you mentioned:

Key Features:

• Material: Constructed from AISI 304 stainless steel or cast iron for durability.
• Variable-Speed Drive: Adjusts pump performance to meet the system's specific requirements (pressure, temperature, or flow rate).
• Balanced Cartridge Shaft Seal: Ensures reliable performance and enhances the pump's lifespan.
• Wide Range of Applications: Ideal for uses in water supply, cleaning, water treatment, boiler feeding, chemicals, temperature control, and mining industries.

Duty Range:

• Maximum Flow: 147 m³/h
• Maximum Head: 254 meters
• Liquid Temperature: Ranges from -30°C to 120°C
• Maximum Pressure: 30 bar

Technical Data

Single-phase 1 x 200-240 V

Three-phase 3 x 380-500 V

he Grundfos CRI pump is indeed a robust and reliable solution for various liquid handling applications. Its versatility stems from its ability to handle different flow and pressure requirements, thanks to the multi-stage design. Constructed with AISI 304 stainless steel, the pump is well-suited for handling water and non-corrosive liquids in demanding environments.

Here's a summary of its key duty range:

• Max flow: 30 m³/h (cubic meters per hour)
• Max head: 252 meters (maximum pressure head)
• Liquid temperature range: -20 to 120°C (suitable for both hot and cold applications)
• Max pressure (p max): 25 bar (barometric pressure tolerance)

Performance Curve