NB, NBG, NBE, NBGE

Overview

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

    • Optimised 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.




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    Benefits

    • Optimised hydraulics in housing and impeller
    • O-ring seal between pump housing and cover
    • Housing, impeller and wear ring in different materials
    Brochures

    Brochures

     

    Product brochure

    NB – product brochure

    Product brochure
    Publication No: V7160550
    Release date: 02-05-2007

    Download PDF

    1316 kb

    NB – product brochure

    NB – product brochure

    Product brochure
    Publication No: 96905269
    Release date: 17-12-2009

    Download PDF

    1086 kb

    Cases

    Cases

    Service
    Installation

    Installation

    Information and advice

    Grundfos is a world-wide provider of pumps and related systems. We have a trained staff of service engineers who will be able to support you during the installation phase of the pump or solution. Grundfos products are manufactured to very high standards, which helps to ensure a long life. Our many years of experience of different kinds of installation and with installation techniques are also key factors for maximising the lives of your Grundfos products or systems.

    We will be able to support you with the following:

    • Information about the proper protection of our pumps
    • Advice on the physical positioning of the pump for necessary service/repair
    • Advice on the physical positioning of the pump to maintain proper operation
    • Correct cabling to fulfil the requirements of good practice and electromagnetic compatibility.

     

    Please contact your local Grundfos company to obtain full support for your new installation.

    Commissioning

    In order to achieve optimum performance, it is very important that the product/system is set up and adjusted correctly from the outset. The knowledge and experience of the Grundfos service technician, and the use of dedicated Grundfos service tools to adjust the performance of the pump, together guarantee that the greatest possible efficiency and fully correct operation of the equipment are both achieved. Commissioning of the pump is recommended in the following cases:

    • If the pumps are controlled by a frequency converter
    • If the pump system is operating in a large system, e.g. a building management system
    • If the user wants to be trained in the proper operation of the pump
    • If the pump is a vital link in an important production/application facility
    • Where the setup is crucial for the Grundfos product to operate for its full planned life, e.g. in water treatment applications. In such cases commissioning is not only recommended but required
    • Where safety is an issue, e.g. in disinfection systems
    • The commissioning is performed in a step-by-step procedure, and a report of the settings of the pump is produced.

     

    Do not hesitate to contact your local Grundfos company to arrange for the commissioning of your newly-installed Grundfos product.

    Recommended spare parts

    Even though the Grundfos strategy is to supply the best possible pump solutions to our customers, after a long period of operation there will be wear and tear to some of the components in certain situations. If short operating downtime is a requirement, or if the pump is installed in inaccessible areas where delivery of spare parts may take a long time, it is advisable to maintain a small stock of recommended spare parts on site.

    Please contact your local Grundfos company to obtain information about recommended spare parts or service kits for your Grundfos product.





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    Operation

    Operation

    Optimisation

    Grundfos offers an efficiency analysis of your existing pump system, providing you with suggestions for increasing efficiency and thus for achieving cost savings over time.

    Increase the efficiency of your existing system

    Conducting an efficiency analysis of your existing pump system provides you with a basis for increasing efficiency and thus for achieving cost savings over time. An efficiency analysis results in suggestions for increasing efficiency and will show how this will save you money.

    Grundfos offers the following levels of analysis for assessing the efficiency of your pump system:

    • Installed base checks.


    A basic evaluation is carried out purely on the basis of the data from the identification plate on the pump, comparing its performance with that offered by newer, more efficient technology and materials found in modern pumps.

    • Pump efficiency quick check.


    Pressure and the consumption of the pump in kWh are measured. Flow is estimated on the basis of available pump data and the results of the measurements.

    Some of the resulting suggestions for improving efficiency might include a speed control upgrade, a motor upgrade, differently dimensioned pipes, the installation of a controller, or perhaps an agreement for routine service.

    Complete pump audit

    The efficiency analysis offered by Grundfos makes up the first step in our Pump Audit, a diagnostics tool that we use to check whether the pump system is operating at the optimal energy consumption to guarantee that your costs are kept to an absolute minimum – now and in the future. See "Replacement analysis" to find out more about the Grundfos Pump Audit.

    Service agreement

    A Grundfos service agreement ensures the efficient and uninterrupted operation of your pump system and gives you access to Grundfos service centres and authorised service partners worldwide, 24 hours a day.

    Prevention is better, and more cost-effective, than cure

    Once you have purchased your pump, you will want it to function efficiently and reliably; a formal service agreement with Grundfos will give you peace of mind. It also makes sound economic sense, giving you a firm costing for your maintenance budget and access to substantial discounts.

    You simply combine a range of service programmes to suit your needs – and then let us carry out scheduled maintenance visits to prevent downtime. We offer three types of service agreement, available for all pumps:

    • Basic
    • Extended
    • Total.

     

    Whichever agreement you choose, your equipment will always be serviced by specially trained staff.

    The cost-effective choice

    Well-maintained pumps can reduce your energy consumption by up to 50 %. Furthermore, it's worth remembering that in a series of pumps working together, one faulty pump can affect all the others. A Grundfos service agreement keeps the total cost of operating a pump to a minimum. Our careful calculation of the life-cycle cost of all our products means that we have an overview of the true costs of owning each of our pumps.

    Signing up for a service agreement and letting our highly-skilled service technicians service your pumps is a safeguard against unforeseen expenditure. Regular servicing and maintenance of your pumps will ensure that they operate with optimum efficiency.

    Repair and maintenance

    Grundfos Service will maintain and repair your pumps. Our service professionals can also advise you on efficiency issues, offering suggestions for saving money in the long term.

    Repair and maintenance of your existing pump systems

    Naturally, you can always call Grundfos for the repair and maintenance of pumps you have purchased from us. Grundfos can repair your pumps to the same specifications as new. However, it is important to remember that an upgrade or even a replacement pump can be cheaper than repair in the long term. See "Upgrades and Replacement" for how this makes good business sense.

    Effective service – wherever you are

    Grundfos Service is always close by. Working in collaboration with our local authorised service partners we offer worldwide service. Help from qualified pump professionals is never far away, whether you need immediate assistance or are interested in hearing about opportunities for making savings.

    Grundfos Remote Management

    Grundfos Remote Management is a cost-effective, secure and reliable way to monitor and manage pump installations from an Internet PC at a very low cost.

    Connecting pumps and people

    With a secure and reliable remote management system, you can monitor and manage your pump systems from an Internet PC at a very low cost.

    Grundfos Remote Management is a cost-effective and straightforward system for monitoring and managing pump installations in commercial buildings and in water supply and wastewater systems. It reduces the need for onsite inspections, and in the event of an alarm or warning, the relevant people are notified directly.

    The system offers a wider range of benefits and functions than mobile-phone-based monitoring. For those who do not require remote process automation, Grundfos Remote Management is the ideal solution for monitoring and remote control, rather than traditional SCADA (Supervisory Control and Data Acquisition) systems. Initial investment is minimal, and a fixed low fee covers data traffic, hosting costs and system support, including back-up of all data.

    Efficient alarm management

    The on-call schedule in this new telemetry system ensures that alarm messages from onsite controllers go directly to the relevant people. The system manager can log on from a PC anywhere and plan who is to receive alarm messages from each installation at any given time of the day. Managers can plan for years ahead, and can easily handle day-to-day exceptions to the schedule.

    Optimise service and maintenance

    Changes in pump performance can be tracked using trend graphs generated automatically by the system. This tracking can give an indication of any wear or damage in the installation, and service and maintenance can be planned accordingly.

    The communication interface (the CIU271 modem) enables data transmission via GPRS/SMS from your Grundfos pumps and controllers. The built-in multi-purpose I/O board allows you to connect sensors and switches.





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    Replacement

    Replacement

    The Grundfos Pump Audit is our replacement analysis. It is a complete diagnostic tool that considers your facility, the energy efficiency of your system, and the total life-cycle costs of your pumping solution. It provides detailed recommendations for replacement, including estimated payback time.
    Let our Pump Audit tell you how to save on energy costs

    The Grundfos Pump Audit is a comprehensive check-up of your pump system. It measures flow, pressure, power absorbed, and overall efficiency of the pumps you have installed over a given period, and highlights how much energy you could save by switching to more efficient pumps and motors.

    The process starts with the Pump Audit team visiting your facility and listening to your description of your requirements, with the aim of ensuring the best possible definition of the task ahead. The next step is a comprehensive on-site visual inspection of your facility. This includes inspection of the operating environment, pumps, valves and line drawings.

    CAPS

    The purpose of CAPS is to provide a complete tool that contains both an extensive catalogue of Grundfos products and a sizing program to select the most suitable pump for your application.

    There is also a comprehensive pump replacement selection function for central heating circulator pumps, hot water pumps and wastewater S pumps, and a function for producing professional quotations that include curves, drawings, quotation texts, wiring diagrams, etc.

    Last but not least, the software contains the instruction and operating manuals for nearly all Grundfos pumps in multiple languages. Service drawings, exploded views and parts lists are available for all sewage products as well as several other pump types.

    CAPS is available in two versions: WinCAPS, available on CD-ROM, and the online version WebCAPS, available at the Grundfos website. Additional features available in WebCAPS include CAD Drawings and Literature.





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    Spare parts

    Spare parts

    "BE Responsible" is one of our core values at Grundfos. It is essential to us that our pumps are designed for low energy consumption and the highest possible performance throughout their operating lives. One consequence of this is that service offerings, including spare parts and replacement kits, are defined in the development phase.
    Customised service offerings, online ordering and rapid response distribution centres ensure that you have the parts when you need them.

    Recommended spare parts list

    The list specifies the parts you should keep on site to service your pumps. These recommendations can be found at the product site in our WebCAPS tool.

    Specially designed service kits

    Service kits include everything you need for a specific maintenance or repair task, including instructions for dismantling, replacement and reassembly.

    24-hour spare part delivery service

    To be extra sure that you do not have to wait, we can set aside a stock of spare parts that are critical for your operation. This will ensure that they are available whenever you need them.

    10-year guarantee

    We guarantee that spare parts for any Grundfos pump you buy today will remain available for at least the next 10 years.

    Service online tool

    24-hour access to our online tool WebCAPS is available from any PC. All the technical documentation and information you need to service your pumps is immediately available to you, at any time:

    • Service instructions
    • Step-by-step service videos
    • Interactive exploded views
    • Sectional drawings.

     

    Service video

    A service video is available for this product. The service video is an easy way to see how to disassemble and assemble the pump.

    The WebCAPS literature and service sections offer quick and easy access to service videos.
    There are two different ways to access the videos from the WebCAPS home page:

    • via Service
    • via Literature.


    The videos are also available on CD-ROM and DVD.





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    Contact
    Sales office

    Contact us

    Select country to contact your local sales company



    Select a company:

    Telephone

    +91 44 4596 6800 - Toll Free: 1800 - 345 - 4555

    Fax

    +91 44 4596 6969

    Address

    No 118, Rajiv Gandhi Salai, Thoraipakkam,
    Chennai-97

    Telephone

    +91 079 40063618 - Toll Free: 1800 - 345 - 4555

    Fax

    079 40063618

    Address

    107, 1st Floor, Swapneel - 5,
    Nr. Commerce Six Roads,
    Navrangpura, Ahmedabad - 380 006.

    Telephone

    +80 - 26711101/102 - Toll Free: 1800 - 345 - 4555

    Fax

    080 - 26711101/102

    Address

    823/4, first floor, Chaitra complex
    jayanagar 7th block west
    Bangalore - 560070

    Telephone

    Toll Free: 1800 - 345 - 4555 SMS: 55050

    Address

    Shohel&Brothers
    Hotel Al-Faisal,
    1050 Nur Ahamed Road,
    Chittagong-4000,
    Bangladesh
    Tel: +880-31-624897,625749,625750
    Fax: +880-31-631261
    Email: fluidpower@neosbd.net / nukbd@yahoo.com

    Shohel&Brothers
    Suite # 14/1 (13th Floor),
    City Heart, 67 Naya Paltan,
    Dhaka-1000,
    Bangladesh
    Tel: +880-2-8318672
    Fax: +880-2-9331527

    Telephone

    +91 44 2496 6800 - Toll Free: 1800 - 345 - 4555 SMS: 55050

    Telephone

    011-30508800/801/802/803/804

    Address

    Grundfos Pumps India Pvt. Ltd.
    301C, 3rd Floor, D21, Corporate Park,
    Dwarka Depot, Near Sector 8 Metro Station, Sector 21, Dwarka,
    New Delhi – 110075, India

    Telephone

    +91 40-23731014/23731015 - Toll Free: 1800 - 345 - 4555

    Address

    Plot No.5,H.No7-1-28/1/5,
    Park Avenue Colony,
    Divya Shakthi Apt Road,
    Ameerpet,
    Hyderabad- 500016

    Telephone

    Toll Free: 1800 - 345 - 4555

    Address

    Grundfos Pumps India Pvt. Ltd.
    Mangalam Chambers,
    Block- A,
    3rd Floor, Room No.- 303,
    24/26, Hemanta Basu Surani .
    Kolkata 700001

    Telephone

    (960) 322992 - Toll Free: 1800 - 345 - 4555

    Fax

    960 326360

    Address

    Far Horizon Pvt Ltd
    Ma Raahaa, 1st Floor
    Koarukendi Magu
    Male
    Republic of Maldives


    Telephone

    +91 08055403640 - Toll Free: 1800 - 345 - 4555

    Address

    "Narayan", 1 St Floor,
    Gaurang Co-OP Housing Society,
    Near Thatawade Garden, Karvenagar,
    Pune - 411052.

    Telephone

    022 - 25894203 / 25898670

    Fax

    91 22 - 26861721

    Address

    101, First floor,Orion Business Park,
    Near Cine Wonder, Ghodbunder Road,
    Thane (W) - 400 607.

    Service center

    Contact us

    Select country to contact your local service center



    Select a company:

    Telephone

    +91 44 2496 6800 - Toll Free: 1800 - 345 - 4555 SMS: 55050

    Telephone

    Tel: 079-30924580 Mobile: 9879208207

    Address

    JAY PUMPS
    Block No. 198, Dantali Industrial Estate,
    Nr. Deep Kiran Food, Gota-Vadsar Road,
    Lapkaman, Nr. Sardar Patel Ring Road,
    Ahmedabad (Gujarat)
    Contact: Mr. Dharmendra Acharya

    Telephone

    Tel: 080- 28436612, 64523313, Mobile : +919845008157

    Address

    BISINEER SALES AND MARKETING
    26/3, First floor,
    S. Beeranna Buildings, Amrithnagar Road,
    New Bank Colony , Konanakunte,
    Bangalore -560 062
    Contact: Mr. Bhaskar Sharma

    Telephone

    98450 13499

    Address

    Sukruta Agencies
    3rd Floor, Farah Commercial Complex
    No. 75 J C Road,
    Bangalore 560 002, Karnataka
    Tel No.: 080-22222749, 22276299
    Fax No.: 080-22234818
    Contact: Mr K Prakash

    Telephone

    Phone 080 65834459 Mobile 9880466470

    Address

    R.S Water Solutions,
    23/A, 19th Main Service road, HSR Layout, 3rd Sector,
    Bangalore- 560102
    Contact Mr. Uma Shankar

    Telephone

    0495 2301201, Mobile: 09847434685,

    Address

    Hi-Tech Engineering Company,
    14/51 D, Bismi Tower,
    Near Santha Polish,
    Calicut – 673 002.
    Contact person : Mr.Baiju

    Telephone

    0172 4638881 / 4638881, 099147 05077

    Fax

    044 4264 7442

    Address

    AIR FLUID ENGINEERS & EQUIPMENTS
    26/3, 1ST FLOOR,
    INDUSTRIAL AREA PHASE – 2,
    CHANDIGARH

    Telephone

    0712 -6576706 & 4629871, 9646047583 & 9815047576.

    Address

    Sharma Electric Works,
    Plot no.279,
    Industrial area,Phase 2,
    Chandigarh – 302015 .
    Contact person : Mr.Mukesh kumar.

    Telephone

    044 42846128, +919940201200

    Address

    Waterflow Systems
    48/36, III Cross Street,
    Sathyavathy Nagar, Padi
    Chennai - 600050

    Telephone

    044 3068 3068, 2225 4804/4805/4806 - Service: 42647216/12

    Fax

    044 4264 7442

    Address

    BI Systems and Services Pvt. Ltd
    Service Center
    No.120, 4th Cross,
    Sundar Nagar,
    Ekkatuthangal,
    Chennai-32

    Telephone

    044 24966800,24960304

    Fax

    044 24966868

    Address

    Grundfos Pumps India Pvt. Ltd.
    118, Old Mahabalipuram road
    Thoraipakkam
    Chennai - 600 096

    Telephone

    Tel: 011-26423293, 9810979826/9350255747

    Fax

    011-26466044

    Address

    ONKAR ELECTRICAL AND ENGINEERING WORKS
    No 1422/13,Govindpuri,
    Kalkaji,
    New Delhi 110019
    Contact:Mr. C.C. Saini , Managing Director

    Telephone

    040-65545624, 39105521

    Fax

    040-23410346/47

    Address

    REVOLVE ENGINEERS
    Plot No: 52,
    H No-7-1-282/C/1/52/C,
    Lingaiah Nagar,
    Balkampet
    Hyderabad - 500 018
    Contact: Ms K.Srilakshmi

    Telephone

    040-66334462, 040-66334463, 09246523317

    Address

    R.K.S.Egineering Co.,
    Address - 5-2-31 to 34,Hyderbasthi, R.P Road, Opp. Gujarathi High School,Secunderabad-500003 ,
    Hyderabad
    Contact : Mr. Mohammed Omer Asif

    Telephone

    0141 - 2744646, 8824994830.

    Fax

    0431-2351594

    Address

    Jaipur Hi-Tech services,
    E-275,Nakul path,
    Lalkothi yojna,
    Behind Vidhan sabha,
    Jaipur - 302015.
    Contact person : Mr.Sandeep sharma.

    Telephone

    0522 - 2720920 / 21/22/23, 91 9415019935.

    Address

    R.K.Engineers sales Pvt. Ltd,
    Vibhuti khand (Near Railway crossing),
    Gomti Nagar,
    Lucknow - 226010.
    Contact : Mr. Sanjay Jain

    Telephone

    0452 - 2360600, +91 9842138053

    Address

    PRB Agro & Engineering works,
    No 60, Near by Chitra Printers,
    Arrapalayam cross road,
    Madurai - 625016.
    Contact : Mr.P.Praksh

    Telephone

    02026684583 02026684583 Mobile 919822416001

    Fax

    0431-2351594

    Address

    Pumpcare services
    1/32, Dr. Ambedkar Society ,
    Golf club Road,
    Yerwada,
    Pune -411006.
    Contact Mustafa Sayyed

    Telephone

    0431-2351444 94436 12344, 94421 12344

    Fax

    0431-2351594

    Address

    MABS ASSOCIATES,
    No.1, Murthy Towers,
    KK Nagar Main Road,
    Opp to sabari Mills,
    Trichirapalli-620 021

    Telephone

    Phone +91 80 23474754 Mobile +91 98459 39125

    Address

    Uniflow Systems
    49/232R, 8th main, 8th Cross(6th Cross), 3rd block, Nandini Layout,
    Bangalore 5600096
    Contact Mr. Rohit

    How to buy

    How to buy

    In this section we will guide you to your country site


    Select a company:

    Telephone

    +91 44 4596 6800 - Toll Free: 1800 - 345 - 4555

    Fax

    +91 44 4596 6969

    Address

    No 118, Rajiv Gandhi Salai, Thoraipakkam,
    Chennai-97

    Telephone

    +91 079 40063618 - Toll Free: 1800 - 345 - 4555

    Fax

    079 40063618

    Address

    107, 1st Floor, Swapneel - 5,
    Nr. Commerce Six Roads,
    Navrangpura, Ahmedabad - 380 006.

    Telephone

    +80 - 26711101/102 - Toll Free: 1800 - 345 - 4555

    Fax

    080 - 26711101/102

    Address

    823/4, first floor, Chaitra complex
    jayanagar 7th block west
    Bangalore - 560070

    Telephone

    Toll Free: 1800 - 345 - 4555 SMS: 55050

    Address

    Shohel&Brothers
    Hotel Al-Faisal,
    1050 Nur Ahamed Road,
    Chittagong-4000,
    Bangladesh
    Tel: +880-31-624897,625749,625750
    Fax: +880-31-631261
    Email: fluidpower@neosbd.net / nukbd@yahoo.com

    Shohel&Brothers
    Suite # 14/1 (13th Floor),
    City Heart, 67 Naya Paltan,
    Dhaka-1000,
    Bangladesh
    Tel: +880-2-8318672
    Fax: +880-2-9331527

    Telephone

    +91 44 2496 6800 - Toll Free: 1800 - 345 - 4555 SMS: 55050

    Telephone

    011-30508800/801/802/803/804

    Address

    Grundfos Pumps India Pvt. Ltd.
    301C, 3rd Floor, D21, Corporate Park,
    Dwarka Depot, Near Sector 8 Metro Station, Sector 21, Dwarka,
    New Delhi – 110075, India

    Telephone

    +91 40-23731014/23731015 - Toll Free: 1800 - 345 - 4555

    Address

    Plot No.5,H.No7-1-28/1/5,
    Park Avenue Colony,
    Divya Shakthi Apt Road,
    Ameerpet,
    Hyderabad- 500016

    Telephone

    Toll Free: 1800 - 345 - 4555

    Address

    Grundfos Pumps India Pvt. Ltd.
    Mangalam Chambers,
    Block- A,
    3rd Floor, Room No.- 303,
    24/26, Hemanta Basu Surani .
    Kolkata 700001

    Telephone

    (960) 322992 - Toll Free: 1800 - 345 - 4555

    Fax

    960 326360

    Address

    Far Horizon Pvt Ltd
    Ma Raahaa, 1st Floor
    Koarukendi Magu
    Male
    Republic of Maldives


    Telephone

    +91 08055403640 - Toll Free: 1800 - 345 - 4555

    Address

    "Narayan", 1 St Floor,
    Gaurang Co-OP Housing Society,
    Near Thatawade Garden, Karvenagar,
    Pune - 411052.

    Telephone

    022 - 25894203 / 25898670

    Fax

    91 22 - 26861721

    Address

    101, First floor,Orion Business Park,
    Near Cine Wonder, Ghodbunder Road,
    Thane (W) - 400 607.