1、BRITISH STANDARD BS EN 13635:2001 Irrigation techniques Localised irrigation systems Terminology and data to be supplied by the manufacturer The European Standard EN 13635:2001 has the status of a British Standard ICS 01.040.65; 65.060.35 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPY
2、RIGHT LAWBS EN 13635:2001 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 21 September 2001 BSI 21 September 2001 ISBN 0 580 38171 4 National f
3、oreword This British Standard is the official English language version of EN 13635:2001. The UK participation in its preparation was entrusted to Technical Committee AGE/30, Irrigation and drainage equipment, which has the responsibility to: A list of organizations represented on this committee can
4、be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “
5、Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from le
6、gal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pag
7、es This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 16, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANS
8、TANDARD NORMEEUROPENNE EUROPISCHENORM EN13635 August2001 ICS01.040.65;65.060.35 Englishversion IrrigationtechniquesLocalisedirrigationsystemsTerminology anddatatobesuppliedbythemanufacturer TechniquesdirrigationInstallationsavecirrigation localiseTerminologieetinformationsfournirparle fabricant Bews
9、serungsverfahrenLokaleBewsserungssysteme TerminologieundAngabendesHerstellers ThisEuropeanStandardwasapprovedbyCENon29June2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Up
10、todatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownl
11、anguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEA
12、NCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13635:2001EEN13635:2001(E) 2 Contents Foreword3 Introduction .4 1
13、 Scope 5 2 Termsanddefinitions. .5 3 Localisedirrigationinstallationcomponentsandminimumdatatobesuppliedbythe manufacturer 9 3.1 Emittingdevices .9 3.1.1 Emitter.9 3.1.2 Emittingpipes 10 3.1.3 Poroustubesandporoustapes. 10 3.1.4 Microsprinklersandsprayers .11 3.2 Filtrationsystems 11 3.2.1 Hydrocycl
14、ones .11 3.2.2 Sandfilters 11 3.2.3 Screenanddiscfilters. 12 3.3 Chemigationequipment. .12 3.3.1 Fertilisationtanks . .12 3.3.2 Venturiinjectors. 12 3.3.3 Hydraulicinjectors. 13 3.3.4 Electricinjectors 13 3.4 Flowandpressureregulators .13 3.4.1 Directaction . 13 3.4.2 Indirectaction. 13 3.5 Pipes13
15、3.6 Valves14 3.7 Automaticcontrolsystems. 14 3.7.1 Irrigationcontrollers 14 3.7.2 Irrigationnetmanagers . 15 Bibliography 16EN13635:2001(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC334“Irrigationtechniques“,the secretariatofwhichisheldbyAFNOR. WithinitsprogrammeofworkC
16、EN/TC334chargedCEN/TC334/WG5“Localisedirrigation“topreparethe followingstandard: EN13635,IrrigationtechniquesLocalisedirrigationsystemsTerminologyanddatatobesuppliedbythe manufacturer. Thisstandardisrelatedtoothersthatwillbedrawnupforeachsystemcomponent(technicalcharacteristicsand testmethods). This
17、EuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyFebruary2002,andconflictingnationalstandardsshallbewithdrawnatthelatest byFebruary2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollow
18、ing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.EN13635:2001(E) 4 Introduction Thegrowinguseoflocalisedirrigationsystems
19、infarmingandgardeninghasdrawnattentiontotheneedfora modelonwhichtobasethecharacteristicsofthesesystems. Thisdocumentisintendedtoenhanceunderstandingbetweenlocalisedirrigationusersandfacilityassemblers.EN13635:2001(E) 5 1Scope ThisEuropeanStandardspecifiesthetechnicalandfunctionalcharacteristicsthats
20、hallbeindicatedby manufacturersoflocalisedirrigationsystemsforuserinformationtoaidthemintheirchoiceoffacilitiesand materials. Thisstandardisrelatedtoothersthatwillbedrawnupforeachsystemcomponent(technicalcharacteristicsand testmethods). ThisEuropeanstandarddefineslocalisedirrigationsystems,character
21、isingthevariouscomponentswhich comprisethem. 2 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply: 2.1 localizedirrigation methodofirrigationwherebyplantsarewateredbysmallamountsofwateratlowpressureappliedtothesoil, beloworatthegroundsurface,withoutwettingt
22、heentiresoilsurface.Itembracesseveralmethodssuchasdrip andmicrosprinklerirrigation 2.1.1 dripirrigation theapplicationofwaterasdripsortinystreamsthroughoutlets 2.1.2 microsprinklerirrigation methodofirrigationwherebywaterisappliedintheformofaspray,mistorstream 2.2 chemigation applicationofchemicalst
23、ogetherwithirrigationwaterthroughaninducingsystemusuallylocatedinthehead control 2.3 localisedirrigationsystem unitgenerallycomprisedofcomponentsrequiredformicroirrigation,including: a) irrigationcontrolheadformedby: mainfilters; devicesforinducingchemicals; measuringequipment; controller. b) distri
24、butionandapplicationnetworks; c) sectorvalvesandfilters,pressureandflowregulators; d) emittingdevices.EN13635:2001(E) 6 2.4 controlhead seriesofdevices,usuallylocatedupstreamoftheinstallation,whichperformoneorseveralofthefollowing operations:controlandmeasurethewaterapplied,addchemicalstotheirrigati
25、onwater,filterirrigationwater, regulatepressureandvolume,implementtheestablishedirrigationprogramme 2.5 lateral pipelinetowhichemittersareconnectedorintegrated(whenexudingsystemsareused,emittersareconnectedto theporoustubeorthetapeitself). 2.6 submain pipelinethatsupplieswatertothelaterals 2.7 irrig
26、ationsubunitorirrigationblock unitcomposedofasubmainanditslaterals,whichoperatesimultaneouslyandhaveindependentflowcontrol 2.8 distributionnetwork thewaterdeliverypipelinesthatsupplywaterfromtheheadcontroltothesubunits 2.9 irrigationsector agroupofsubunitsthatalwaysoperatesimultaneously 2.10 irrigat
27、ionarea thetotalsurfacewhichiswateredbyasinglecontrolhead 2.11 emittingdevice devicewhichemitswaterinalocalizedareaonorbelowthesoilsurface Dependingonthesensitivityoftheirflowtopressurevariation,emittingdevicesareclassifiedas: 2.11.1 regulatedemittingdevice emittingdeviceofrelativelyconstantemission
28、rateatvaryingwaterpressuresatthedeviceinlet,withinthelimits specifiedbythemanufacturer 2.11.2 unregulatedemittingdevice emittingdevicewhoseemissionratevariesaccordingtothevariationinwaterpressureattheinletofthedevice Dependingonthetypeofemittingdeviceandthetypeofconnection,emittersmaybeclassedas: 2.
29、11.3 inlineemitter emitterisinsertedforinstallationbetweentwolengthsofpipe(irrigationlateral) 2.11.4 onlineemitter emitterisfixeddirectlyorindirectly(e.g.,bymeansoftubing)inthewalloftheirrigationlateral 2.11.5 integratedemitter emitterwhichisinsertedintothepipeduringthemanufacturingprocessEN13635:20
30、01(E) 7 2.11.6 emittingpipe continuouspipe,hoseortubingwithperforationsorotherhydraulicdevicesformedorintegratedintothepipe duringproductionandintendedtoemitwaterintheformofdropsorcontinuousflow 2.11.7 driptape collapsibleemittingpipe 2.11.8 poroustubeandporoustape flexibleandporouslateralwhichemits
31、acontinuousflowofwaterallalongitslength 2.11.9 microsprinkler emitterwhichapplieswaterintheformofajetandhasrotatingarms 2.11.10 sprayerorjet emitterwhichapplieswaterintheformofspray,mistorstreamandhasnorotationalmovement Dependingonthenumberofoutlets,emittingdevicesmaybeclassedas: 2.11.11 singleemit
32、ter emitterwhichhasoneormoreoutlets,butonlyoneflowregulatingdevice,andwhichthereforehasonlyone nominalemissionrateforallofitsoutlets 2.11.12 multipleemitter emitterinwhichtheoutputflowisdividedanddirectedtoseveraldistinctlydifferentlocationseachonewithitsown flowregulatingdeviceandthereforeitsownnom
33、inalemissionrate Dependingontheirselfcleaningcapability,emittingdevicesmaybedistinguishedas: 2.11.13 selfcleaningemitter emitterwhichisabletocleanunfilteredparticlesfromitsbodywithoutcloggingit 2.12 nominalemissionrate, q n ,unregulatedemittingdevices emissionrate,inlitresperhour,oftheemitteratnomin
34、alpressureandatawatertemperatureof23C,as specifiedbythemanufacturer 2.13 nominalemissionrate, q n ,regulatedemittingdevices emissionrate,inlitresperhour,oftheemitteroperatingintherangeofregulationandatawatertemperatureof 23C,asspecifiedbythemanufacturer 2.14 nominalemissionrate, q n ,multipleemitter
35、 emissionrateofeachoutlet 2.15 nominalemissionrate, q n ,poroustubeandporoustape emissionrate,inlitresperhourandpermetre,oftheemittingdeviceatnominalpressureandatawater temperatureof23C,asspecifiedbythemanufacturerEN13635:2001(E) 8 2.16 emissionratevariation calculatedusingthefollowingexpression: n
36、n q q q (1) where n q isthenominalemissionrate(specifiedbythemanufacturer); q isthemeanemissionrateatnominalpressure. 2.17 pressures 2.17.1 nominaltestpressure, p n referenceoperatingpressureattheinletofanemittingdevice,givenbythemanufacturer 2.17.2 rangeofworkingpressures rangeofwaterpressuresatthe
37、inletoftheemittingdevice,betweenandincludingtheminimumworkingpressure, p min . ,andthemaximumworkingpressure, p max . recommendedbythemanufacturertoensureproperoperation 2.17.3 rangeofregulation rangeofwaterpressuresattheinletoftheregulatedemittingdevice,inwhicheachemittingunitdischargeswater within
38、therangeofemissionratesspecifiedbythemanufacturer 2.18 manufacturerscoefficientofvariation coefficientcalculatedusingthefollowingformula: 100 x (%) q s v c (2) where s isthestandarddeviationofthedischargeoftheemittersinthesample,atthenominaltestpressure; q isthemeandischargeofemittersinthesample,ats
39、amepressureandtemperature. NOTE Incaseofmultipleoutletemitters,eachoutletisconsideredasanindependentemitter. 2.19 filtrationsystem deviceusedtoeliminatematerialssuspendedintheirrigationwater,topreventcloggingordamagetothe automationandcontroldevices 2.19.1 hydrocyclone deviceinwhichsuspendedparticle
40、sofdensityhigherthanwater,areseparatedfromthewaterbyacentrifugal forceresultingfromtheflowofwaterforcedintoarotationalmovementbyanyofseveralmeansEN13635:2001(E) 9 2.19.2 sandfilter mediumdepthfilterinwhichthefilteringmediumconsistsofsand 2.19.3 screenfilter filtrationdeviceinwhichthefilteringmediumi
41、samesh. 2.19.4 discfilter filtrationdeviceinwhichthefilteringmediumiscomposedofdiscswithroughgroovedortexturedfacesarranged oneontopoftheothertoformastack 3 Localisedirrigationinstallationcomponentsandminimumdatatobesuppliedbythe manufacturer 3.1Emittingdevices 3.1.1Emitter a) Modelandmanufacturer;
42、b) material; c) nominalemissionrate(l/h); d) nominalemissionratevariation; e) manufacturerscoefficientofvariation; f) nominalpressure(kPaorbar) 1) ; g) rangeofworkingpressures; h) rangeofregulation; i) characteristicequation: x = Kp q (3) where q istheemissionrate(l/h); K istheemitterdischargecoeffi
43、cient; p istheinletpressureintheemitter(kPa); x istheemitterexponent; j) minimumrecommendedfiltration; k) dimensionoftheconnectiontothelateral. 1) 1kPa:0,01barEN13635:2001(E) 10 3.1.2 Emittingpipes a) Modelandmanufacturer; b) material; c) indicationsforcorrectpositionasappropriate; d) nominalemissio
44、nrate(I/h); e) nominalemissionratevariation; f) manufacturerscoefficientofvariation; g) nominalpressure(kPaorbar) 1) ; h) rangeofworkingpressures; i) rangeofregulation; j) characteristicequation: x = p K q (4) where q istheemissionrate(l/h); K istheemitterdischargecoefficient; p istheinletpressureintheemitter(kPa); x istheemitterexponent. k) minimumrecommendedfiltration
