Hydro 2000

More documents

Recommendations

Info

SizingHydro 2000Type of booster setThe booster set type should be selected on the basis ofthe consumption pattern, i.e. the 24-hour and duty-timeprofiles.If the consumption is highly variable and optimumcomfort is required, pumps with continuously variablespeed control should be used.Examples of different consumption patterns and their24-hour and duty-time profiles:Water supply Industry IrrigationQQQ24-hour profilehTM00 9197 1303hTM00 9200 1303hTM00 9198 1303Flow: High degree of variation.Flow: High and sudden variation.Flow: Constant and known.Pressure: Constant.Pressure: Constant.Pressure: Constant.QQQDuty-time profileh%As appears, consumption is highly variable.Continuously variable speed control of thepumps is recommended.TM00 9201 1303It is expedient to use any of the systems withhalf-size pumps.h%As appears, consumption is highly variableand sudden.Continuously variable speed control of thepumps is recommended.TM00 9199 1303Systems using half-size pumps should not beused if the variation in consumption over avery short time is higher than the performanceof one full-size pump.TM00 9202 1303As appears, variations in consumption are regularyet known.Simple control is recommended.h%Any system with half-size pumps may be used.Recommended system types:MF, MFH, ME, MEH, MES.Recommended system types:MF, ME, MES.Recommended system types:MS, MSH, (MF, ME, MES).14
SizingHydro 2000System sizePump sizeAs mentioned before, the system should be capable ofmeeting the highest possible demand. But as thehighest demand will often occur for a comparativelyshort part of the duty period only, it is important toselect a type of pump which can meet the varyingdemand throughout the duty period.It is not recommended to select a pump type whoseperformance is lower than the lowest possible consumption.Nor is it recommended to select a pump typewhose performance is higher than the highest possibleconsumption.EfficiencyIn order to achieve the optimum operating economy,attempts should be made to select the pumps on thebasis of optimum efficiency, i.e. the pumps should, asfar as possible, operate within their nominal operatingranges.As the system is always sized on the basis of thehighest possible consumption, meaning that it willalways be regulated down, it is important always tohave the duty point of the pumps to the right on the efficiencycurve (see the pump performance curve), inorder to keep efficiency high when consumption drops.EtaFig. 13 Pump efficiency curveQ [ m3 /h ]The optimum efficiency is ensured by selecting a dutypoint within the hatched area.TM00 9190 1303NPSHIn order to avoid cavitation, never select a pump whoseduty point lies too far to the right on the NPSH curve.Always check the NPSH values of the pumps at thehighest possible consumption (see the pump performancecurve).NPSHFig. 15 NPSH curveStandby pumpTo most customers reliable supplies are a major factor.Often it is not acceptable if the system does not maintainits maximum flow even during pump repairs orbreakdown. In order to prevent any disruption of thesupply in such a situation, the system may be sized witha standby pump.HFig. 16 System with standby pumpIf it is acceptable that the system does not produce therequired pressure but an unchanged flow during pumprepair and breakdown, a standby pump may, in certaincircumstances, not be required.HQmax.Q [ m3 /h ]QTM00 9191 0303TM00 9193 1303H•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• •QTM00 9192 1303Qmax.Fig. 17 System without standby pumpQTM00 9194 1303Fig. 14 Area of optimum efficiency15
Page 1 and 2: GRUNDFOS DATA BOOKLETHydro 2000Grun
Page 3 and 4: Product dataHydro 2000Performance r
Page 5 and 6: Product dataHydro 2000Application a
Page 7 and 8: Product dataHydro 2000System config
Page 9 and 10: Hydraulic functionsHydro 2000Grundf
Page 11 and 12: Product range Hydro 2000PFU 2000PFU
Page 13: SizingHydro 2000System selectionWhe
Page 18 and 19: SizingHydro 2000Understanding the c
Page 20 and 21: Performance curvesHydro 2000 SCR 3p
Page 22 and 23: Performance curvesHydro 2000 SCR 5p
Page 24 and 25: Performance curvesHydro 2000 SCR 10
Page 38 and 39: Technical dataHydro 2000 SCR 3 / CR
Page 40 and 41: Technical dataHydro 2000 SCR 10150H
Page 42 and 43: Technical dataHydro 2000 SCR 15H160
Page 44 and 45: Technical dataHydro 2000 SCR 15Elec
Page 46 and 47: Technical dataHydro 2000 SCR 20160H
Page 56 and 57: Performance curvesHydro 2000 F-ECR
Page 64 and 65:
Performance curvesHydro 2000 F-ECR
Page 66 and 67:
Page 68 and 69:
Page 70 and 71:
Page 72 and 73:
Page 74 and 75:
Technical dataHydro 2000 F-ECR 3Tec
Page 76 and 77:
Technical dataHydro 2000 F-ECR 5H12
Page 78 and 79:
Technical dataHydro 2000 F-ECR 5Ele
Page 80 and 81:
Technical dataHydro 2000 F-ECR 10El
Page 82 and 83:
Page 84 and 85:
Page 86 and 87:
Page 88 and 89:
Page 90 and 91:
Page 92 and 93:
Page 94 and 95:
Page 96 and 97:
Page 98 and 99:
Technical dataHydro 2000Dimensions
Page 100 and 101:
Further product documentationWebCAP
Page 102 and 103:
102
Page 104:
Being responsible is our foundation
show all

Hydro 2000

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?