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Vertical Multistage Pumps:

Overview:

Our Grundfos CR Vertical Multistage Pumps range offers pumps of unmatched reliability that can be intelligently tailored to suit an infinite variety of applications. Since Grundfos invented this type of multistage in-line pump in 1972, many imitations have appeared on the market. However, four decades on, this latest generation of CR pumps, with their traditional efficiency, reliable performance and adaptability, remain the wisest choice.

The basic CR pump range is available in four different materials: cast iron, two grades of corrosion-resistant stainless steel, and all-titanium. There are 13 flow sizes, capable of producing up to 50 bar of pressure, and with a variety of shaft seals and rubber materials.


Applications:


Multi-purpose CR pumps can be adapted to applications, ranging from simple domestic installations to heavy-duty industrial settings. These include: process water systems, hygienic washing and cleaning systems, seawater systems, water treatment, pumping of acids and alkalis, boiler feed, and applications involving temperature control with exposure to very high, low or fluctuating temperatures.


Features and benefits:

  • Quality and reliability built on over four decades of continuous Grundfos testing and refinement
  • Corrosion-resistant pump modules that can be combined in multiple ways to meet almost every conceivable requirement.
  • Streamlined design to save space
  • Grundfos MGE motor with integrated frequency converter to allow multi-speed operation and deliver optimal pump performance
  • Special pump solutions to cope with extraordinarily high pressure, temperature extremes and liquids that are very aggressive, abrasive, hazardous, hardening or flammable

 

 

Horizontal End Suction Pumps

  • NK/NKG long-coupled pumps

 

Overview

Grundfos NK/NKG pumps are used in water supply, industrial pressure boosting, industrial liquid transfer, HVAC (heating, ventilation and air-conditioning), irrigation and process industries.
Grundfos end-suction pumps are multi-purpose pumps suitable for a variety of different applications requiring reliable and cost-efficient supply. End-suction pumps are used in five main areas of application: water supply, industrial pressure boosting, industrial liquid transfer, HVAC (heating, ventilation and air-conditioning), and irrigation.
 
The pumps are all non-self-priming, single-stage, centrifugal volute pumps with axial suction port, radial discharge port and horizontal shaft. The Grundfos NK/NKG range comprises a complete series of long-coupled pumps that comply fully with either EN733 or ISO2858. The pumps are of the back pull-out design, enabling removal of the motor, coupling, bearing bracket, and impeller without disturbing the pump housing or pipework

Applications

Grundfos offers a virtually limitless range of long-coupled (NK) end-suction pumps. Their sturdiness and reliability make them ideal for use in demanding environments such as the following:

  • District heating plants
  • Heating systems for blocks of flats
  • Air-conditioning systems
  • Cooling systems
  • Wash down systems
  • Other industrial systems.

Features and benefits:

  • Optimized hydraulics in housing and impeller = unimpeded liquid flow
  • O-ring seal between pump housing and cover = no risk of leakage
  • Housing, impeller and wear ring in different materials = improved corrosion resistance, no sticking elements
  • Back pull-out design for easy dismantling for service
  • Pump is electro-coated to increase corrosion resistance
  • Available with IE1, IE2 and IE3  motors
  • PN 10/16 and 25 bar
  • Temperatures up to 180 °C
  • Available in a number of shaft seal and material variants.    

 

 

 

NB / NBG close-coupled pumps:

Overview

Grundfos end-suction pumps are used in water supply, industrial pressure boosting, industrial liquid transfer, HVAC (heating, ventilation and air-conditioning), and irrigation.
Grundfos end-suction pumps are multi-purpose pumps suitable for a variety of different applications requiring reliable and cost-efficient supply. End-suction pumps are used in five main areas of application: water supply, industrial pressure boosting, industrial liquid transfer, HVAC and irrigation.
 
The Grundfos NB/NBG pumps are all non-self-priming, single-stage, centrifugal volute pumps with axial suction port, radial discharge port and horizontal shaft. The NB/NBG range consists of close-coupled pumps with their main dimensions in accordance with either EN733 or ISO2858.

Applications

Grundfos offers a virtually limitless range of close coupled (NB) end-suction pumps. Their sturdiness and reliability make them ideal for use in demanding environments such as the following:

  • District heating plants
  • Heating systems for blocks of flats
  • Air-conditioning systems
  • Cooling systems
  • Wash down systems
  • Other industrial systems.

Features and Benefits

  • Optimized hydraulics in housing and impeller = unimpeded liquid flow
  • O-ring seal between pump housing and cover = no risk of leakage
  • Housing, impeller and wear ring in different materials = improved corrosion resistance, no sticking elements
  • Pump is CED coated to increase corrosion resistance
  • Available with IE1, IE2 and IE3 motors
  • Available in a number of shaft seal and material variants
  • PN 10,16 and 25 bar
  • For temperatures up to 140 °C.

 

Vertical in Line Pumps

Overview

Grundfos TP and TPE vertical in-line volute pumps are used in a variety of applications. The pumps are all single-stage, in-line centrifugal volute pumps with standard motors and mechanical shaft seals. The pumps are of the close-coupled type, i.e. pump and motor are separate units. Consequently, the pumps are less sensitive to impurities in the pumped liquid than similar pumps of the canned rotor type.

Applications

These vertical in-line volute pumps are used in commercial buildings for air conditioning and heating applications.

The pumps are all single-stage, in-line centrifugal volute pumps with standard motors and mechanical shaft seals. The pumps are of the close-coupled type, i.e. pump and motor are separate units. Consequently, the pumps are less sensitive to impurities in the pumped liquid than similar pumps of the canned rotor type.

Features and benefits

  • Optimized hydraulics for high efficiency
  • Reduced power consumption
  • High-efficiency motors
  • TP pumps are fitted with high-efficiency motors
  • High-efficiency motors provide reduced energy consumption
  • 2-pole and 4-pole TP pumps from 0.75 kW to 375 kW have IE3 motors (By March 2012)
  • Top-pull-out design
  • Easy dismantling for service
  • In-line design
  • Unlike end-suction pumps, in-line pumps allow the use of straight pipework, which often results in reductions in installation cost and amount of space occupied
  • Hydraulically and mechanically balanced impeller (Series 300 and 400)
  • The impeller is hydraulically and mechanically balanced to increase the life of motor bearings and shaft seals
  • Pump housing and pump head/motor stool are electro-coated
  • Improved corrosion resistance
  • TPE, TPED – pumps with built-in frequency converter
  • Reduced power consumption
  • TPE and TPED motors are based on IE3 motors (except 18.5, 4-pole).

 

 

Horizontal Split Case Pumps

Overview

The Grundfos HS horizontal split case pump is a single-stage, non-self-priming, between bearing, centrifugal volute pump. The axially split design allows easy removal of the top casing and access to the pump components (bearings, wear rings, impeller, and shaft seal) without disturbing the motor or pipework.


The independent bearing housing allows for ease of maintenance without removing the top casing. The double volute design reduces the radial load on the shaft, extending component life, minimizing vibration and providing quiet operation.


The HS pump also offers high pump efficiencies throughout the range.  High energy efficiency along with long pump life and easy maintenance add up to low life-cycle costs.

 

Applications

Grundfos HS horizontal split case pumps are typically used in these applications:

  • Air-conditioning/heating systems
  • Public water supply
  • District cooling/heating plants
  • Cooling systems
  • Public waterworks
  • Process cooling
  • Irrigation.

Features and Benefits

  • Easy to service: split case design
  • Double suction minimizes axial load, which extends the life of the wear rings, shaft seals and bearings
  • Double volute reduces radial forces and minimizes noise and vibration
  • Independent bearing housing design allows access to the pump components without removing the top half of the casing
  • High energy efficiency
  • Low life-cycle costs
  • Many product variants available.

 

 

 

Sewage & Waste Water Pumps

 

Overview

S pumps form the backbone of many sewage systems. They are selected for their strength, their durability, and for innovative features such as the Smart-Trim impeller clearance adjustment system and the Smart Seal for leakage prevention.

The Smart-Trim system used on the S-pumps makes it easy to adjust the factory-set impeller clearance and thus to maintain maximum pump efficiency.

The Grundfos Smart-Seal Auto-coupling gasket provides a completely leak-proof connection between the pump and the base unit of the auto-coupling system. The shaft seal is capable of rotating in either direction. When the pumps are installed with separate pipework, sludge sedimentation can be avoided by back-flushing the system at regular intervals.

Applications

The pumps are suitable for the following applications:

  • Transfer of unscreened raw sewage
  • Transfer of raw water
  • Pumping of water containing sludge
  • Pumping of industrial effluent.

Features and benefits

  • Wide range
  • Smart-Trim
  • Operation with/without cooling jacket
  • Submerged or dry installation
  • Channel and vortex impellers
  • Built-in motor protection
  • Smart-Seal
  • Large free passage
  • Super Vortex impeller.

 

Drainage & Waste Water Pumps

 

Overview

The Unilift AP and Unilift AP Basic are submersible drainage pumps designed for both temporary/portable installation and permanent free-standing installation. These single-stage pumps are made mostly of stainless steel. All types are available in either single phase or three phase versions and for 50 or 60 Hz power supply.

The number in the type designation, e.g. AP12, indicates the spherical particle size that can pass through the pump.

All Unilift AP and AP Basic pumps are fitted with a plug for connection to the mains.

Unilift AP is a single stage pump with either semi-open impeller (AP12) or with vortex impeller (AP35 and AP50). All Unilift AP pumps are fitted with a stainless steel sleeve for cooling during operation. The strainer at the bottom prevents particles larger than the pump is designed for from entering the pump. The strainer is clipped onto the pump housing. All Unilift AP pumps can be supplied with or without float switch, for automatic or manual operation. Pumps with an ”A” in the type designation are fitted with a float switch. 3-phase versions have an additional starter box connected to the float switch. The outlet is positioned at the top of the pump and is available in Rp 1 1/2 to Rp 2.

An optional non-return flap valve can be fitted in the outlet in order to prevent backflow.

Unilift AP Basic pumps are single-stage pumps (AP35B, AP50B) with vortex impeller. All Unilift AP Basic pumps are made of stainless steel, with a composite baseplate. The Unilift AP Basic range is designed for submerged operation, either free-standing on the base plate or installed using an auto coupling. The pump inlet is designed to prevent to large particles from entering the pump. The base plate is clipped on by means of four clips hidden under the composite ring at top of the pump housing. The ring prevents dirt from sticking to the clips. All Unilift AP Basic pumps can be supplied with or without float switch, for automatic or manual operation. Pumps with an ”A” in the type designation are fitted with a float switch. The outlet is positioned at the side of the pump and is R 2.

Applications

  • Water and rainwater in horticulture
  • Water from rivers and lakes
  • Rainwater, drainage water and water from flooding
  • Water for filling/emptying containers, ponds, tanks, etc.
  • Effluents from showers, washing machines and sinks below sewer level
  • Pool water
  • Ditch drainage water
  • Groundwater (lowering applications)
  • Domestic effluents from septic and sludge-treating systems
  • Liquids containing fibers from light industry, laundries, etc.
  • Effluents from viaducts, underpasses, etc.
  • Drainage water from garage sprinkler systems

Features and benefits

Unilift AP is for permanent or temporary free-standing installations. Most components are made of stainless steel. Cable fitted by means of a plug; Available in both automatic and manual versions. Single-phase versions have an integrated thermal switch.

 

Factory preassembled boosters:

Overview

The Grundfos Hydro MPC booster systems are made to the very highest standards. Thanks to the CU 352 controller, they handle even the most difficult boosting jobs with ease and accuracy.
All components have been combined with focus on quality and efficiency. The Grundfos Hydro MPC booster systems are designed to last: sturdy, compact units with easy access to all service parts. Grundfos Hydro MPC booster systems can be used wherever additional pressure is required. Each booster model has been designed to meet specific customer demands for capacity and control.

The intelligent cascade control ensures that the optimum number of pumps required to meet the demand runs at any time. Together with the CR with IE3 motors, this makes the Hydro MPC the most energy-efficient solution for maintaining a constant pressure during changing flow demands.

Applications

  • Schools
  • Hotels
  • Blocks of flats
  • Irrigation systems
  • Industry
  • Municipal supply systems.
  • Reliable highly efficient
  • Highly efficient
  • Service-friendly
  • Space-saving
  • Easy to commission
  • Perfectly adapting to the flow
  • Low-flow detection
  • Application-optimized software
  • BUS and Ethernet communication option
  • Large, clear display
  • Menus in plain text
  • Log function.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Our range consists of

The manufacturers we represent are among the finest in the world. Our product line-up allows us to provide innovative, reliable and efficient solutions for the vast majority of our customers’ pump and water heater applications. We are thankful to our relationships with many of our customers and suppliers that span for decades, where we have evolved and we will continue to re-engineer ourselves for the future as we help our customers tackle various challenges.

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