SIST EN 13997:2004

Irrigation techniques - Connection and control accessories for use in irrigation systems - Technical characteristics and testing

This standard describes the technical characteristics and requirements of hydraulic connection and control accessories to ensure a sufficient mechanical resistance for practical use, and specifies the relevant testing methods. It applies to accessories made of steel, brass, aluminium, Polypropylene, Polyethylene or PVC for use in irrigation systems up to a diameter of 250 mm.

Bewässerungsverfahren - Verbindungs- und Steuerzubehör für den Einsatz in Bewässerungssystemen - Technische Eigenschaften und Prüfung

Diese Norm führt auf und legt fest die Eigenschaften von Verbindungs- und Steuerzubehör, um eine zufriedenstellende mechanische Widerstandsfähigkeit im praktischen Einsatz sicherzustellen, und spezifiziert ihre Prüfung. Sie ist anwendbar für Zubehör z. B. aus  Stahl, Buntmetall, Aluminium, Polypropylen, Polyethylen oder PVC-hart für die Benutzung in Bewässerungs-Systemen bis zu einem Durchmesser von 250 mm.

Techniques d'irrigation - Accessoires de raccord et de commande pour usage dans les systemes d'irrigation - Caractéristiques techniques et essais

La présente Norme européenne spécifie une méthode permettant de déterminer la résistance à l'usure due au roulement d'une roue lourdement chargée, sur des éprouvettes de mortier moulées, confectionnées avec des matériaux pour chapes à base ciment ou de résine synthétique utilisés en couche d'usure. Cette méthode peut s'appliquer, le cas échéant, à d'autres matériaux de chape utilisés en couche d'usure.

Namakalna tehnika – Priključitev in nadzor uporabe pripomočkov v namakalnem sistemu – Tehnične značilnosti in preskušanje

General Information

• Status: Published
• Publication Date: 31-May-2004
• ICS: 65.060.35 - Irrigation and drainage equipment
• Technical Committee: IMKG - Machinery for agriculture and forestry
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jun-2004
• Due Date: 01-Jun-2004
• Completion Date: 01-Jun-2004
• Directive: Not Harmonized98/37/EC - Machinery
• Ref Project: EN 13997:2003 - Irrigation techniques - Connection and control accessories for use in irrigation systems - Technical characteristics and testing

Relations

• Refers: SIST EN 673:1999 - Glass in building - Determination of thermal transmittance (U value) - Calculation method
• Effective Date: 28-Jan-2026
• Refers: SIST EN 10240:1998 - Internal and/or external protective coatings for steel tubes - Specification for hot dip galvanized coatings applied in automatic plants
• Effective Date: 28-Jan-2026
• Refers: SIST EN 674:1999 - Glass in building - Determination of thermal transmittance (U value) - Guarded hot plate method
• Effective Date: 28-Jan-2026
• Refers: SIST EN 924:1998 - Adhesives - Solvent-borne and solvent-free adhesives - Determination of flashpoint
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 18109:2025 - Plastics - Agricultural plastic products - Installation, use, removal, sorting, collection, preparation for recycling and design for recycling guidelines
• Effective Date: 28-Jan-2026

Overview

SIST EN 13997:2004 establishes the technical characteristics and testing requirements for hydraulic connection and control accessories used in irrigation systems. This European standard, adopted in Slovenia by SIST, is designed to ensure sufficient mechanical resistance and durability of components made from steel, brass, aluminium, polypropylene (PP), polyethylene (PE), or polyvinyl chloride (PVC) with sizes up to 250 mm in diameter. The standard details relevant testing procedures and performance criteria to maintain system integrity, safety, and efficiency in irrigation and drainage applications.

Key Topics

• Materials and Production Methods: Specifies acceptable materials (steel, brass, aluminium alloys, PP, PE, PVC) and manufacturing processes essential for durability and compatibility in irrigation environments.

• Corrosion Resistance: Addresses the need for corrosion protection according to material type, such as galvanizing steel components or referencing applicable standards for aluminium parts.

• Dimensional Requirements: Outlines measurement methods for length, width, height, and diameter to ensure compatibility and interchangeability of irrigation fittings and accessories.

• Surface Quality: Describes required smoothness of internal surfaces, allowable protrusions, and overall finish to prevent leakage and ensure long-term reliability.

• Coupling Types: Covers spherical couplings with O-ring seals and other common sealing methods to guarantee water-tight and user-friendly connections.

• Pressure and Performance Requirements: Sets out operating pressure limitations, pressure loss declarations, and mechanical resistance to withstand real-world operation and environmental conditions.

• Marking and Identification: Recommends standard marking practices to ensure traceability of components for installation and maintenance.

• Testing Procedures: Provides a comprehensive approach to testing, including sample collection, pressure testing, dimensional verification, bending and bulging resistance, and documentation.

Applications

SIST EN 13997:2004 is applicable to a wide range of irrigation system components and is crucial for manufacturers, installers, and operators of:

• Agricultural irrigation networks (field crops, orchards, vineyards)
• Horticultural and landscape irrigation
• Greenhouse and nursery irrigation systems
• Drainage installations that require robust hydraulic accessories

The standard plays a vital role in:

• Product development: Assisting manufacturers in designing reliable, standardized components.
• Procurement: Enabling system designers and contractors to specify compatible, high-quality accessories.
• Quality assurance: Guiding factories, labs, and certification bodies in conducting uniform type and routine tests.
• Operational safety: Ensuring installations remain leak-proof and resistant to pressure shocks or mechanical loads.

Related Standards

Compliance with SIST EN 13997:2004 often involves referencing or integrating additional international and European standards, such as:

• EN 10240: Specification for hot dip galvanized coatings for steel tubes, relevant for corrosion protection.
• ISO 209-1 & ISO 209-2: Chemical composition and product forms for wrought aluminium and aluminium alloys.
• ISO 3522: Cast aluminium alloys - Chemical composition and mechanical properties.
• ISO 11678: Agricultural irrigation equipment - Aluminium irrigation tubes.
• ISO/DIS 15081: Graphic symbols for pressurized irrigation systems.

By adhering to these interconnected standards, irrigation system stakeholders can maintain compatibility, promote safety, and support international trade of hydraulic accessories.

---

Implementing SIST EN 13997:2004 ensures that connection and control accessories for irrigation systems are robust, reliable, and fit for purpose, minimizing operational risks and supporting sustainable water management in agriculture and landscaping.

Standards Content (Sample)

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

Closed mechanically;¾ Coupling with lip type seal.Closed mechanically;¾ Coupling with lip type seal.Closed by water pressure. For special application lip type couplings may be required to be loose at pressures below 50 kPa by agreement.SIST EN 13997:2004
...