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