Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. Caution this pump is intended for use with water only. The performance curves are based on kinematic viscosity. Grundfos pumps, type chi, are horizontal multistage centrifugal pumps of the nonselfpriming type designed for pumping thin nonexplosive liquids. Search, size, select and compare standard pumps and pre. Flow curve using your head and flow units used in the model. Rapid allweiler pumps whilst all care has been taken to ensure the accuracy of the information contained in this brochure was correct at the time of printing, please be advised we cannot be held responsible for any errors contained within and or changes that may have taken place. It is estimated that the energy saving potential in eu by changing pumps in this size alone from noncontrolled pumps to 3rd generation pumps is 3,3 twhyear comparable to the electricity consumption of 700. Together with the vapour pressure, it is used to calculate the inlet pressure needed at the pump to avoid cavitation. Grundfos pumps cr end suction multistage centrifugal. You just need to know which impeller diameter your pump will use so as to select the correct curve. Introduction to e pumps general introduction this data booklet deals with grundfos pumps fitted with grundfos mge motors, 0. Stable and unstable pump curves the headflow rate curves for radialflow centrifugal pumps can be either stable figure 1017a or unstable figure 1017b, whereas the headflow rate curves for mixedflow and axialflow pumps are always stable except for a small area of. Cr 45, cr 64, cr 90, crn 32, crn 45, crn 64, crn 90.
The pump wet endsize is shown in the lower right hand corner of the performance curve page. The possible combinations of total pressure and volume flow rate for a specific pump can be plotted to create a pump curve. The pump performance curve shows the correlation between media flow q and the pressure differential or head h that the pump creates. Centrifugal pump performance curves and technical information. Grundfos product center makes accessing and reading pump curves easier than ever. The curves for power consumption and efficiency will normally only cover the pump part of the unit i. For best performance, avoid installing an undersized or oversized pump. With a wide range of performance parameters, youre sure to find a model that will suit your individual requirements.
These motors are standard asynchronous motors with integrated frequency converter and controller. Centrifugal pump curves formats engineered software. Search in grundfos catalogs and technical brochures on directindustry and find the information you need in 1 click. Pipeflo can select pumps directly from the supplied electronic pump catalog.
We stock most of the grundfos sqf series submersible pumps and we can order any model that we do not stock. Nb, nbg, nbe, nbge endsuction closecoupled pumps grundfos. We are so confident our pumps are the most reliable on the market that we are offering free double warranty to customers who purchase an eligible pump from a participating authorised grundfos dealer during the promotional period find a participating dealer. Use of centrifugal pumps in pumping processes with critical. The vlc and vlsc pumps are the smart choice for number of reasons. For each pump in our product catalogue, the grundfos product center gives you all the information you need including pump curves, technical specs, cad drawings, available spare parts, installer guides, videos and other documentation all in one place on the pumps product page. Pumps are designed and selected to operate near their highest efficiency point. Grundfos pumps sdn bhd hvac piping accessories psd.
Edit your pdf file online and for free with this high quality converter or compress, merge, split, rotate, sort or protect your pdf documents. Are you looking for a way to quickly verify that the pump youve chosen can meet your duty points. The grundfos cr vertical, multistage, centrifugal inline pump family works for water supply, water treatment and almost any industrial solution including those for highpressure, hot, dangerous, flammable and aggressive liquids. The grundfos pumps cr pump series can be customized to meet individual requirements with unparalleled ease. Use of centrifugal pumps in pumping processes with critical cavitation properties dipl. The cme pump motor is a grundfos mge motor designed to en standards. Your pump can then be adapted to any specific requirement. The grundfos mq is a compact, allinone, flow based, plugandplay pressure boosting system, designed for domestic water supply applications such as homes, cabins, cottages, farms as well as gardens. These curves are also utilized as starting blocks for the design and selection of pumps to arrive at an efficient outcome. The manual pump curve displays the minimal information, showing only the pump head as a function of flow rate. From there you can adjust operating speeds, viewsave electronic curves and data sheet reports in a pdf. The difference between the cm and the cme pump ranges is the motor. Soda pdf merge tool allows you to combine two or more documents into a single pdf file for free. The fastest way to access pump efficiency curves and other pump information.
Centrifugal pump performance curves and technical information 0 20 40 60 80 100 120 140 0 10 20 30 40 50 60 70 80 0 100 110 capacity ead ft nps in feet 10 20 30 40 50 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 160 npsh req u i r e d 2 5 0 m i mp e l r dia t r 9 16 45 h e a d c a p a c i t y 0 5 10 15 20 25 30 35 40 gpm lbs. The grundfos pump audit is a comprehensive checkup of your pump system. Head, the qh curve the qh curve shows the head the pump is able to perform at a given flow. This topic will teach you how to read pump curves for pump selection. To help you decide on the proper speed, we have made available a speed calculation program called sqe speed calculation. In some cases, the pumps have a factoryfitted sensor.
The manufacturers pump curves use pump operating data entered, checked, and supplied by the manufacturer of the pump. These curves are generated by pump manufacturers for each specific pump type. Go to grundfos product center to find products for your performance curve. Dont run centrifugal pumps on the end of the curve. Dab pumps reserves the right to make modifications without notice. Ideal for agricultural, municipal, commercial and industrial applications, nationals submersible pumps are designed to provide efficient and troublefree operation over a long working life. Performance class of the threephase motor iec6003430 model power p2 q m. Characteristic curves and performance data 60 hz n 3450 rpm hs 0 m q flow rate h total manometric head hs suction height tolerance of characteristic curves in compliance with en iso 9906 grade 3b.
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. Pdhonline course m128 4 pdh selecting a centrifugal pump by system analysis 2012 instructor. This video show how to pick a pump of an appropriate size on the grundfos website. Pump size selection on grund fos website cory budischak. Centrifugal pumps the centrifugal pump produces a head and a flow by increasing the velocity of the liquid through the machine with the help of a rotating vane impeller. High pump efficiency often pump efficiency is given less consideration than. The grundfos line of vlcvlsc, single stage, inline pumps with cue drive grundfos variable frequency drive, and control are part of the family of pumps, which are better engineered to increase efficiency and reduce radial loads.
Product introduction this data booklet deals with grundfos cr, cri and crn pumps. If you have any questions, please email us or give us a call 8003830195. The variable speed control requires the cu300 control unit and the r100. Grundfos dws family 1 domestic water supply 4 dws product selection matching consumption and pump capacity selecting the right pump is a matter of matching water consumption with pump capacity.
Products offered are end suction and selfpriming centrifugal pumps, inline centrifugal pumps, regenerative turbine pumps and tank mounted condensate systems. Gallons per minute capacity in cubic metershr centrifugal series 1531 60z impellers are trimmed in incre ments to supply required capacity. Paco grundfos vertical turbine pump curves description. Size pumps, access cad drawings, pump curves and other relevant data. Grundfos 96860195 mq345 pressure boosting pump 115v note. The companys products and services are used in process engineering and building services, water and waste water management, and in the energy and mining sectors. Submersible pump, circulation pump grundfos canada. The base has suction and discharge ports on the same level inline. Their functional principle is based on a hydraulic system, consisting. Nielsen global program director, grundfos management as. Sq, sqn, meeting your water supply needs product brochure the sq pump is the basic model of the grundfos 3 submersible pump range. Pump curves pumps can generate high volume flow rates when pumping against low pressure or low volume flow rates when pumping against high pressure. Reading centrifugal pump curves national environmental. This principle is commonly used in multistage pumps.
Pump operating point i discharge a centrifugal pump can operate at a combination system curve of the pump of head and discharge points given by its hq curve, called the operating point. A comparative cost analysis should be made if there is doubt. The pump is especially designed for high pressures. The inline design of the pumps enables installation in a horizontal onepipe system where the suction and discharge ports are in the same. Review different pump types commonly used understand the difference between centrifugal pumps and positive displacement pumps understand the working principle of the tuthill. Grundfos product guide crt, crte vertical multistage centrifugal pumps in titanium 60 hz. The pump range consists of many pump sizes, and each pump size is available with an optional number of stages to match any duty point. A pump is a pressure vessel with rotating parts that can be hazardous. With this in mind, the curves typically plotted are head vs. Khalil encyclopedia of life support systems eolss 1. What follows is a brief presentation of the different pump performance curves.
Consumption may vary greatly depending on housing standards and lifestyle. They are used for pumping a very wide variety of liquids and lpg. Grundfos sp pumps represent stateoftheart hydraulic design. Crt pumps are fitted with grundfos specified motors. The grundfos horizontal split case pumps, type hs version 5, are singlestage, nonselfpriming, centrifugal volute pumps with radial suction and radial discharge port. High pump efficiency often pump efficiency is a neglected factor compared to the price. From there you can adjust operating speeds, viewsave electronic curves and data sheet reports in a pdf format, generate. Our solutions help our partners move water for residential and commercial buildings, groundwater, industry and municipalities. The chamber stack and the outer sleeve are secured between the pump head and the base by means of staybolts.
Pdf merge combinejoin pdf files online for free soda pdf. Improving availability about grundfos sp pumps grundfos sp pumps combine the very best materials with superior hydraulic. Sargent machining methods produce the highest precision parts, while collaboration throughout manufacture ensures that every detail is guided to match your specific need. The pump with integral motor is fitted to a base plate. Cr pumps provide a complete range of pump solutions so that all applications, industrial and domestic, can benefit from the grundfos touch. We manufacture more pumps in the united states than any other pump company, setting the standard for innovation, efficiency, reliability and sustainability. A wide pump range grundfos offers energyefficient sp submersible pumps with a performance range of up to 1,400 gpm and 2,100 ft of head.
Reading and understanding centrifugal pump curves is key to proper pump selection, and to their reliable. If they operate at the righthand end of the pump curve the likelihood of cavitation increases. Online pdf converter edit, rotate and compress pdf files. Submersible systems strength, performance and efficiency product brochure the sp range is your guarantee for highquality water supply and is capable of handling flows up to 470 m3h and head up to 810 m. Accessory equipment must be used to evacuate entrained air within the pump, such as an eductor, a hand primer, etc. This tech brief examines how pump curves can provide data about a pumps abili. A wide pump range grundfos offers energyefficient submersible pumps ranging from 1 to 280 m3h. Learn how to size a pump by design when looking for a pump based on your duty point or when looking for installation requirements based on the pump. In general, pump curves are designed according to iso 9906 annex a, which specifies the tolerances of the curves.
Grundfos sp submersible pumps are renowned for their high efficiency and reliability throughout the range. Grundfos is one of the worlds leading pump manufacturers. For variablespeed pumps, the performance curve is given at minimum and maximum rpm. We sincerely hope that you find this manual a useful reference tool in your work with sp pumps. Grundfos crin 1s, 1, 3, and 5 general data 7 pump the cr pump is a nonselfpriming, vertical multistage centrifugal pump. On construction jobs there is a need for a pump which has the ability to prime itself repeatedly, since the purpose of the pump is to keep the hole dry. Once this point is determined, brake power, efficiency, and net positive suction head required for the pump can be obtained from the set of pump curves. Cross reference charts quick cross reference for competitive 3speed pumps grundfos provides no guarantee as to the accuracy of. Submersible turbine pumps national pumps submersible turbine product line is the most comprehensive in the industry. Grundfos sqflex 6 sqf2 submersible solar pump northern. Product families if you want to find product and service portfolios, technical information, drawings, descriptions, performance curves, repair and maintenance, optimisation and consultancy, click. Horizontal split case pumps have horizontal pump shaft, and the pump casing can be dismantled in the horizontal plane along the drive shaft. Pump iso efficiency and other curves every pump manufacturer generates pump curves for every type of pump to define.
The pump is made of corrosionresistant materials, which makes it ideally. How to read a pump curve jim swetye, senior technical trainer at grundfos pumps corp. Other important information for proper pump selection is also included efficiency curves, npsh curve, pump curves for several impeller diameters and different speeds, and power consumption 5. Npsh net positive suction head is an expression for the suction capability of the pump. Cr vertical multistage centrifugal inline pumps grundfos. Pressure differential or head is given in kpa or mws meter water column. Frank bungartz centrifugal pumps are amongst the most commonly used pumps, accounting for around 80 to 90 %. If you want to find a pump, and you know what kind of application you have, such as heating, pressure boosting, etc. Whitesides, pe pdh online pdh center 5272 meadow estates drive. View and download grundfos cr 32 service instructions manual online. The motors are all heavyduty 2pole, energy efficient.
Made entirely of corrosionresistant stainless steel, sp pumps are ideal for a wide variety of applications. The cr, crn high pressure pump is a nonselfpriming, vertical multistage centrifugal pump fitted with a grundfos specified motor and a specially developed highpressure shaft seal. The pump is suitable for pumping of potable water and rain water. For two identical pumps, the maximum h will double. Performance curves 0 50 100 150 200 250 300 0 100 200 300 400 500 600 700 800 900 1100 1200 0 1400 1500 model 230s 230 gpm flow range. This product guide covers technical information about the high pressure pump. Sizing and selection tools, quick dimensioning, pump replacement tools, cad drawings, pump curves and other relevant data.
Internetbased pump control, performance monitoring and alarm solution. How to read the curve charts 15 guidelines to performance curves 15 performance curves technical data crt, crte 2 16. Engineering manual contains pump curves for many, but not all, of the pump models nagle can provide. Mechanical engineering types and performance of pumps and compressors essam e. This is due to the grundfos mix and match approach to customization, where the many pump features and options should be regarded as modules that can be combined to create the ideal pump for the job at hand. Cross reference charts quick cross reference for competitive 3speed pumps grundfos provides no guarantee as to the accuracy of competitor information listed herein. How to do pump sizing and selection by pump design guide. The flowserve lnn is an axially split, double suction pump design featuring 145 impeller and volute combinations resulting in quiet operation, low npsh requirements, and high efficiency operation in all water applications. Pump parts which are typically vulnerable to difficult liquids or particularly demanding operating conditions can be optimized for their purpose and designed for specific requirements. The performance curve is used together with the system characteristics when dimensioning and selecting pumps. For an actual pump curve you would use the one of the top curves in the pump curve and enter that as either a general curve or as as type 2 head vs. Inventory optimizations give you the shortest lead time in the industry. The pump curve describes the relation between flowrate and head for the actual pump.
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