EN 13997:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.QDPDNDOQHPBewässerungsverfahren - Verbindungs- und Steuerzubehör für den Einsatz in Bewässerungssystemen - Technische Eigenschaften und PrüfungTechniques d'irrigation - Accessoires de raccord et de commande pour usage dans les systemes d'irrigation - Caractéristiques techniques et essaisIrrigation techniques - Connection and control accessories for use in irrigation systems - Technical characteristics and testing65.060.35Namakalna in drenažna opremaIrrigation and drainage equipmentICS:Ta slovenski standard je istoveten z:EN 13997:2003SIST EN 13997:2004en01-junij-2004SIST EN 13997:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13997November 2003ICS 65.060.35English versionIrrigation techniques - Connection and control accessories foruse in irrigation systems - Technical characteristics and testingTechniques d'irrigation - Accessoires de raccord et decommande pour usage dans les systèmes d'irrigation -Caractéristiques techniques et essaisBewässerungsverfahren - Verbindungs- und Steuerzubehörfür den Einsatz in Bewässerungssystemen - TechnischeEigenschaften und PrüfungThis European Standard was approved by CEN on 19 September 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13997:2003 ESIST EN 13997:2004

Polyvinylchloride (PVC).64.3Dimensions.64.3.1General.64.3.2Length.64.3.3Width.74.3.4Height.74.3.5Diameter.74.4Smoothness of surface.74.5Coupling.74.6Replacement of parts with spherical couplings in a plant.84.7Allowable operating pressure (nominal pressure).84.8Pressure loss.85Marking.86Testing.96.1Construction and operating tests.96.1.1Sampling and test forms.96.1.2Test procedure.96.1.3Test equipment.106.1.4Test conditions.106.2Carrying out of test.106.2.1General.106.2.2Dimensions.116.2.3Wall thickness (without corrosion protection).116.2.4Total length of part.116.2.5Nominal length of part.116.2.6Bending angle.116.2.7Replacement.116.2.8Pressure loss.116.2.9Behaviour under nominal pressure.116.2.10Installation of line to be tested.136.2.11Supporting of empty part.136.2.12Bending test.146.2.13Bulging test.146.2.14Effects of bulging test.14Annex A (informative)
Application for test of connection and control accessories according to EN13997 – Form 1.15Annex B (informative)
Results of test of connection and control accessories carried out according toEN 13997 – Form 2.17Bibliography.20SIST EN 13997:2004

c) diameter reduction
d) riserFigure 1 — Examples for connection accessories (symbols)3.4control accessoryparts which influence the water pressure and the direction of flow or give data for influence in an irrigation plantsuch as flowmeters, pressure gauges, filters, valves (i. e. inline gate valves), online hydrants, pressure reductionvalves, shot valves, control units, non return valves, air escape valves, emptying valves. See Figure 2.a) Control unit b) filter c) flow meter d) pressure gauge e) pressure reduction valve f) non return valve g) shot valveFigure 2 — Examples for control accessories (symbols)4 Technical characteristics and requirements4.1 Material and method of production of the partsThe methods of production depending on the materials are listed in Table 1.Table 1 — Materials and methods of productionMaterialMethod of productionSteelWelded or mouldedBrassWelded or mouldedAluminium alloyWelded or mouldedPolypropylene (PP)ExtrudedPolyethylene (PE)ExtrudedPolyvinylchloride (PVC)Extruded4.2 Corrosion resistance and protection against corrosion4.2.1 GeneralConnection and control accessories shall be corrosion resistant against the application.SIST EN 13997:2004
...