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. For two identical pumps, the maximum h will double. Even though bep is a bit too far to the right, this pump is still a pretty good fit as efficiency at minimum flow is still 70%. Learn to read a pump curve and understand the relationship between flow and head. 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 chamber stack and the outer sleeve are secured between the pump head and the base by means of staybolts. Heating systems for central and district heating systems, use pump type ups. Chapter 7 pumping transport of water from low sources to elevated tanks or from low sources to directly consumers is accomplished by the help of pumps. Export or print your pump performance curve and any of the calculations you find useful. Grundfos pumps ltd grovebury road leighton buzzard beds lu7 4tl registration no. Search in grundfos catalogs and technical brochures on directindustry and find the information you need in 1 click. The grundfos series 100 circulator pumps are specifically designed for heating systems. By reducing pump speed, less energy is imparted to the fluid.
Unlike positive displacement pumps such as piston pumps, centrifugal pumps deliver a var iable flow rate q increasing. Introduction to e pumps general introduction this data booklet deals with grundfos pumps fitted with grundfos mge motors, 0. Grundfos crin 1s, 1, 3, and 5 general data 7 pump the cr pump is a nonselfpriming, vertical multistage centrifugal pump. A proper name is now used when saving pdf files for products. In some cases, the pumps have a factoryfitted sensor. Apr, 2015 pump curves in hysys posted in chemical process simulation. The pump curve shown in the graph is curved, dropping off from left to right. Grundfos product center makes accessing and reading pump curves easier than ever, providing a simple display of system characteristics to help you understand your pump s efficiency and verify your pump choice. Are you looking for a way to quickly verify that the pump youve chosen can meet your duty points. 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. Unit a merrywell business park ballymount road lower dublin 12 d12 pw56. The grundfos plugin for autodesk revit integrates grundfos bim download center into revit. Cross reference charts quick cross reference for competitive 3speed pumps grundfos provides no guarantee as to the accuracy of competitor information listed herein. View and download grundfos cr 32 service instructions manual online.
They therefore apply to any fluid which is similar to water and has a viscosity of 1 cp and a specific gravity of 1. 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 s design, you can use the quick sizing tool in. This data booklet covers technical information about the high pressure pump. Thats why they call them factory performance curves. Pump performance charts with multiple pump curves are shown below. Let our pump audit tell you how to save on energy costs. These are often placed across the other curves but are sometimes shown separately. Bhp gpm x head 3960 x pump efficiency the equation states that bhp is directly proportional to both head and flow. In a heating system, a system curve emerges as a function of the system hydraulics. The grundfos cm and cme pumps are nonself priming, horizontal, multis tage, endsuction centrifugal pumps. For best performance, avoid installing an undersized or oversized pump. With its intelligent pump control, scala2 adjusts performance to any demand and with its watercooled motor, it. Grundfos gulf distribution jebel ali free zone north street 407 p.
Choose from over 6,000 sizes in goulds extensive offering. The manufacturers pump curves use pump operating data entered, checked, and supplied by the manufacturer of the pump. How to convert a pump curve industrial professionals. Peerless pump offers fire pumps, centrifugal pumps. Centrifugal pump characteristic curve components of. High pump efficiency often pump efficiency is given less consideration than.
Accessory equipment must be used to evacuate entrained air within the pump, such as an eductor, a hand primer, etc. Head, power consumption, efficiency and npsh are shown as a function of the flow. If the radiator valves close, the pump adjusts its performance to a3. Variable speed curves illustrate the flexibility of a pump without. From there you can adjust operating speeds, viewsave electronic curves and data sheet reports in a pdf. To help you decide on the proper speed, we have made available a speed calculation program called sqe speed calculation. Grundfos sp pumps represent stateoftheart hydraulic design. The total head produced by a pump is independent of the nature of the liquid. Grundfos pumps sdn bhd 7, jalan peguam u125, glenmarie industrial park, 40150 shah alam. Dear all, i want to generate pump curves based on design flow, design head, design efficiency of pump manufacturer has not given any curves for this pump. The grundfos pump audit is a comprehensive checkup of your pump system. 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. Consumption may vary greatly depending on housing standards and lifestyle.
The performance curve is used together with the system characteristics when dimensioning and selecting pumps. If you want to find a pump, and you know what kind of application you have, such as heating, pressure boosting, etc. The grundfos plugin supports autodesk revit versions 2015 to 2020. Centrifugal pump performance curves and technical information. Furthermore, the specific pump performance curve can. Multistage pumps for pressure boosting in a wide range of applications. If you have any questions, please email us or give us a call 8003830195. Hydromatic models hpgfhpgfh submersible sewage grinder pumps performance data 10 capacityg. This section contains all the latest documents of a given pump, such as.
Please email us or give us a call if you have any questions. The operating point of a centrifugal pump, also called its duty point, is given by the intersection of the pump characteristic curve with the system curve. The second pump is especially designed for high pressures. To change the operating point either the system curve or the pump curve must be changed. The base has suction and discharge ports on the same level inline. Reading and understanding centrifugal pump curves is key to proper pump selection, and to their reliable and efficient operation. 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. Grundfos sqflex 6 sqf2 submersible solar pump northern. Reading and understanding centrifugal pump curves is key to proper pump selection, and. 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. The crnsf pump is a nonselfpriming, vertical multistage centrifugal pump fitted with a grundfos specified tefcmotor.
A wide pump range grundfos offers energyefficient submersible pumps ranging from 1 to 280 m3h. You can also do quick calculations on efficiency, speed and p1. This principle is commonly used in multistage pumps. Gtk15 kit contents grundfos 1555 pump with timer and internal check valve 6 ft 2 m electrical cord 6 ft 2 m bx conduit prewired to pump includes inline 4 amp glass fuse.
Performance curves and technical information listed as a range only and subject to change without notice. Your pump can then be adapted to any specific requirement. Product data 3 introduction 3 performance range of cr, cri, crn 4 performance range of cre, crie, crne 4 applications 5 product range 6 pump 8 motor 8 terminal box positions 9 ambient temperature 9 viscosity 9 2. This tech brief examines how pump curves can provide data about a pumps abili. Power curves curves showing the power required to drive the pump are also included on the chart. A typical characteristic curve shows the total dynamic head, constant horsepower, efficiency, and net positive suction head all. The performance of a centrifugal pump is shown by a set of performance curves.
The inline design of the pumps enables installation in a horizontal onepipe system. I got the pump vendor performance curve head vs q flow graph which was made based on water as test fluid. Product data introduction this data booklet deals with grundfos cr, cri and crn as well as cre, crie and crne pumps. At grundfos product center, you can find and download pump drawings, including cad, quickly and easily. How to do pump sizing and selection by pump design guide. High pump efficiency often pump efficiency is a neglected factor compared to the price. Sizing and selection tools, quick dimensioning, pump replacement tools, cad drawings, pump curves and other relevant data. Pumps with similar performance the pumps to the left are in stock and can be used 3 contact your local grundfos office for your next delivery or you can simply identify your pump with the curves and the related tables. Pipeflo can select pumps directly from the supplied electronic pump catalog.
Cr pumps provide a complete range of pump solutions so that all applications, industrial and domestic, can benefit from the grundfos touch. Consult a grundfos product submittal data sheet for exact pump specifications. The guide also includes product numbers for adaptors that allow you to fit grundfos pumps to existing autocoupling systems. 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. The plugin is a direct link to our bim product catalog to search and download revit family files into you revit project. Peerless pump is one of the largest manufacturers of vertical pumps in the industry. If a particular pump will not allow 65% efficiency or more for your duty, check a different pump there is a very wide range to choose from. Pressure differential or head is given in kpa or mws meter water column. Pump curves pumps can generate high volume flow rates when pumping against low pressure or low volume flow rates when pumping against high pressure. For variablespeed pumps, the performance curve is given at minimum and maximum rpm. Cm pumps are fitted with mainsoperated motors whereas the motor for cme pumps has an integrated frequency converter. Normally, pump curves in data booklets only cover the pump part. Total head is a measure of a pump s ability to push fluid through a system. Information on changes in the latest version of the grundfos product center.
We stock most of the grundfos sqf series submersible pumps and we can order any model that we do not stock. 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. Grundfos sp submersible pumps are renowned for their high efficiency and reliability throughout the range. National pumps submersible turbine product line is the most comprehensive in the industry. Grundfos sqflex centrifugal solar water pump model 25 sqf7.
At grundfos we use cookies to remember your choices, and to improve your experience on the grundfos websites. Gallons per minute capacity in cubic metershr centrifugal series 1531 60z impellers are trimmed in incre ments to supply required capacity. Reading pump curves by james mcdonald, pe, cwt originally published. Components of centrifugal pump performance curve 1. Aug 20, 2004 i am having a difficulty with pump curves in swmm5. In the design of pumping stations standby units must be provided therefore, water supply is not affected in case of breakdown or during repair. The curves for power consumption and efficiency will normally only cover the pump part of the unit i. If a pump is offered with multiple impellers with different diam eters, manufacturers typically plot a separate pump curve for each size of impellor on the same pump performance chart. Reading centrifugal pump curves national environmental. This guide gives you an easy overview of which new grundfos pump to select when replacing a grundfos ap pump, an older, discontinued grundfos s pump, or a pump manufactured by flygt, ksb or abs. 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. Centrifugal pump characteristic curve for an operations engineer who is working in a chemical process industry or a process engineer who is involved in hydraulic calculations understanding the centrifugal pump performance curve is an important aspect. It features pump, motor, tank, sensor, drive and nonreturn valve in one compact unit that installs quickly and easily.
This video show how to pick a pump of an appropriate size on the grundfos website. Spk and crk pumps come in various pump sizes and have various numbers of stages to provide the flow, the pressure and the installation length required. Made entirely of corrosionresistant stainless steel, sp pumps are ideal for a wide variety of applications. The flow rate q and the developed head h are both determined by the intersection. This parameter with the flow is a more useful term than the pump discharge head since it is independent of a specific system. In general, pump curves are designed according to iso. When reading pump curves, simply type in your duty point or just click directly on the graph and compare it to the pump curve.
The possible combinations of total pressure and volume flow rate for a specific pump can be plotted to create a pump curve. The motor is a heavy duty grundfos specified motor. The q and h value now appears right next to the cursor when hovering over the graph. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Smaller impellors produce less pressure at lower flow rates. Pump size selection on grund fos website cory budischak. The cr pump motor is a grundfos motor designed to en standards. Grundfos sp submersible borehole pumps are well known for their high quality, reliability and efficiency and offer a range of valuable benefits to customers and installers. Hysys generates this curves using button generate curves option in pump dynamcis tab. Ideally you want the pump operating in the middle of the curve for best efficiency and pump life. Pump iso efficiency and other curves every pump manufacturer generates pump curves for every type of pump to define. Pump performance curve electrical diagram wiring table flow rate gpm gtk15 pump rinnai circlogic. Grundfos 96860195 mq345 pressure boosting pump 115v note.
Pump headflow curves are typically given for clear water. The pump unit consists of optimised hydraulics, various types of connections, a sleeve, a pump head and various other parts. Equipped with permanent magnet motors, these flexible and compact pumps offer excellent efficiency levels and will supply pump heads up to 656 ft 200 m. Product families if you want to find product and service portfolios, technical information, drawings, descriptions, performance curves, repair and maintenance, optimisation and consultancy, click. Apr 11, 2015 if everything in the field matches everything the pump was tested at in the factory, it should perform identically as above. The pump performance curve shows the correlation between media flow q and the pressure differential or head h that the pump creates. 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.
In pump lingo shutoff head is that condition at the top of the curve runout is the point at the other end. Grundfos product center makes it easy to search and size pumps, or find a replacement when you need it fast. The pumps are also suitable for circulation of domestic hot water and for circulation of liquid in cooling and airconditioning systems. Grundfos has developed the pump handbook, which in a simple manner deals with various. The development of mechanical pumps was intimately linked with the progress of vacuum science up to the middle of this century when the introduction of both the sputter ion pump and the sublimation pump provided an alternate method for the production of low pressure. Cstn septemberoctober 2004 t he performance of a centrifugal pump can be shown graphically on a characteristic curve. Improving pumping system performance department of energy. Complete pump performance data and product information. Grab the opportunity to stay uptodate on grundfos news and events. One of the key buying factors when selecting a submersible borehole pump is availability. Pump selection and pump sizing guide and tools grundfos. These motors are standard asynchronous motors with integrated frequency converter and controller. Pump suppliers publish pump curves for all the various models.
Every possible duty point of the pump is shown on the pump curve where the dependencies are as follows. But for a specific operation there exists a head vs discharge equation depending on the system characteristics. Ideal for agricultural, municipal, commercial and industrial applications, nationals submersible pumps are designed to provide efficient and troublefree operation over a long working life. Pump characteristic curves manufacturer of a pump supplies a curve that shows head obtained by the pump for different discharge values. This article explains some of the core concepts behind pump sizing. What follows is a brief presentation of the different pump performance curves. Jul 29, 2017 how to convert a pump curve posted in industrial professionals. For more detailed information, please read our full cookie policy. With over 70 years of progressive peerless designing, engineering and manufacturing, our pumps are proven with thousands of single and multiple vertical pump unit installations around the world.
Centrifugal pump curves formats engineered software. When the pump registers a lower pressure on the max. The manual pump curve displays the minimal information, showing only the pump head as a function of flow rate. I am trying to model a simple pumping station, where the first pump turns on at 1 m depth and, if the level continues to increase, at. The performance curves for a centrifugal pump are shown in figure 1. Grundfos sqflex 25 sqf7 centrifugal submersible solar pump. These curves are generated by pump manufacturers for each specific pump type. Head, the qh curve the qh curve shows the head the pump is. Pump selection download the pss user guide to learn how to view individual performance curves when only pump model and size are known. 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. Go to grundfos product center to find products for your performance curve. Positive displacement pumps are those in which energy is imparted to the liquid in a fixed displacement volume, such as a casing or a cylinder, by the rotary motion of gears.
Some chose to define a system curve, which lies over the top of the pump curve. Cr 45, cr 64, cr 90, crn 32, crn 45, crn 64, crn 90. If the sq pump is connected to the grundfos cu 301 control box, it enables the creation of a constant pressure water supply. It is for this reason that a flat curve is preferred for variable flow applications. This tech brief examines how pump curves can provide data about a pumps ability to produce flow against certain head, shows how to read a typical centrifugal pump curve, and provides. The curves show the pressure m head against flow m 3 h for water at 20 o c and for a pump operating at 2 pole speed 2900 rpm with a 50 hz supply. The variable speed control requires the cu300 control unit and the r100. View details and compare performance online once you have found your pump, visit the online grundfos product. Cme pumps communication with cme pumps 27 speed control of cme pumps 28 grundfos cue cm pumps connected to grundfos cue, external frequency converters 29 approvals and markings approvals 30 approval marks 30 certificates certificates 31 selection and sizing selection of pumps 35 selection of cme pumps 37 how to read the curve charts. 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. One of our plant pump runs on glycol solution and i need to check performance curve for a different work. Grundfos scala2 is a fully integrated water booster pump delivering perfect water pressure to all taps. 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. When designing an application, it can sometimes be difficult to get access to a 3d pump model.
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