EN 1736:2008
(Main)Refrigerating systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes - Requirements, design and installation
Refrigerating systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes - Requirements, design and installation
This document describes requirements, design and installation of flexible pipe elements (e. g. metallic flexible pipe, metallic flexible tube, vibration isolator, expansion joint) and non-metallic tube used in the refrigerant circuits of refrigerating systems and heat pumps.
It also describes the requirements to qualify the tightness of non-metallic tubes (e.g. plastic) used in evaporating and/or condensing sides of refrigerating systems and heat pumps.
It does not apply to flexible pipes that are only occasionally stressed beyond the elastic limit, e. g. during repair work, or to joints which are free to rotate or hinge.
Kälteanlagen und Wärmepumpen - Flexible Rohrleitungsteile, Schwingungsabsorber, Kompensatoren und Nichtmetall-Schläuche - Anforderungen, Konstruktion und Einbau
Dieses Dokument gilt für flexible Rohrleitungsteile (z. B. biegsames Metall-Rohr, Metall-Schlauch,
Schwingungsabsorber, Kompensator) und für Nichtmetall-Schläuche in Kältemittelkreisläufen von Kälteanlagen
und Wärmepumpen.
Es legt auch Anforderungen zur Bestimmung der Dichtigkeit von Nichtmetall-Schläuchen (z. B. Kunststoff)
fest, die in Verdunstungs- und/oder kondensierenden Seiten von Kälteanlagen und Wärmepumpen angewendet
werden.
Es gilt nicht für biegsame Rohre, die nur gelegentlich über ihre Elastizitätsgrenze hinaus beansprucht werden,
z. B. bei Reparaturen, oder für drehbar gelagerte Verbindungen oder Rohrgelenke.
Systèmes de réfrigération et pompes à chaleur - Eléments flexibles de tuyauterie, isolateurs de vibration, joints de dilatation et tubes non métalliques - Exigences, conception et installation
Le présent document décrit les exigences, la conception et l’installation des éléments flexibles de tuyauterie,
(par exemple, tuyauterie flexible métallique, tuyaux flexibles métalliques, isolateurs de vibration, joints de
dilatation) ainsi que les tubes non métalliques utilisés dans les circuits de fluides frigorigènes des systèmes de
réfrigération et pompes à chaleur.
Elle décrit également les exigences pour qualifier l’étanchéité des tubes non métalliques (par exemple en
plastique) utilisés côté condenseurs et/ou évaporateurs des systèmes de réfrigération et pompes à chaleur.
Elle ne s’applique pas aux tuyauteries flexibles qui ne subissent qu’occasionnellement des contraintes au-delà
de la limite d’élasticité, comme par exemple lors de travaux de réparation, ou aux joints qui tournent ou
pivotent librement.
Hladilni sistemi in toplotne črpalke - Gibki cevni elementi, blažilniki vibracij, raztezni spoji in nekovinske cevi - Zahteve, načrtovanje in vgradnja
General Information
Relations
Frequently Asked Questions
EN 1736:2008 is a standard published by the European Committee for Standardization (CEN). Its full title is "Refrigerating systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes - Requirements, design and installation". This standard covers: This document describes requirements, design and installation of flexible pipe elements (e. g. metallic flexible pipe, metallic flexible tube, vibration isolator, expansion joint) and non-metallic tube used in the refrigerant circuits of refrigerating systems and heat pumps. It also describes the requirements to qualify the tightness of non-metallic tubes (e.g. plastic) used in evaporating and/or condensing sides of refrigerating systems and heat pumps. It does not apply to flexible pipes that are only occasionally stressed beyond the elastic limit, e. g. during repair work, or to joints which are free to rotate or hinge.
This document describes requirements, design and installation of flexible pipe elements (e. g. metallic flexible pipe, metallic flexible tube, vibration isolator, expansion joint) and non-metallic tube used in the refrigerant circuits of refrigerating systems and heat pumps. It also describes the requirements to qualify the tightness of non-metallic tubes (e.g. plastic) used in evaporating and/or condensing sides of refrigerating systems and heat pumps. It does not apply to flexible pipes that are only occasionally stressed beyond the elastic limit, e. g. during repair work, or to joints which are free to rotate or hinge.
EN 1736:2008 is classified under the following ICS (International Classification for Standards) categories: 27.080 - Heat pumps; 27.200 - Refrigerating technology. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 1736:2008 has the following relationships with other standards: It is inter standard links to EN 1736:2000, EN ISO 13971:2025. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN 1736:2008 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.QMDKälteanlagen und Wärmepumpen - Flexible Rohrleitungsteile, Schwingungsabsorber, Kompensatoren und Nichtmetall-Schläuche - Anforderungen, Konstruktion und EinbauSystèmes de réfrigération et pompes à chaleur - Eléments flexibles de tuyauterie, isolateurs de vibration, joints de dilatation et tubes non métalliques - Exigences, conception et installationRefrigerating systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes - Requirements, design and installation27.200Hladilna tehnologijaRefrigerating technology27.080Heat pumpsICS:Ta slovenski standard je istoveten z:EN 1736:2008SIST EN 1736:2009en,fr,de01-januar-2009SIST EN 1736:2009SLOVENSKI
STANDARDSIST EN 1736:20001DGRPHãþD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1736November 2008ICS 27.080; 27.200Supersedes EN 1736:2000
English VersionRefrigerating systems and heat pumps - Flexible pipe elements,vibration isolators, expansion joints and non-metallic tubes -Requirements, design and installationSystèmes de réfrigération et pompes à chaleur - Elémentsflexibles de tuyauterie, isolateurs de vibration, joints dedilatation et tubes non métalliques - Exigences, conceptionet installationKälteanlagen und Wärmepumpen - FlexibleRohrleitungsteile, Schwingungsabsorber, Kompensatorenund Nichtmetall-Schläuche - Anforderungen, Konstruktionund EinbauThis European Standard was approved by CEN on 5 October 2008.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 CEN 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 CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2008 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1736:2008: ESIST EN 1736:2009
readily flexible, small bore pipe, e. g. capillary tube which is capable of movement within its elastic limit during operation of the refrigerating system (see Figure 1) NOTE This type of pipe is flexible by virtue of the shape into which the tube is bent, e. g. coiled capillary tube. 3.3 metallic flexible tube tubular flexible element designed to bend within defined limits and containing a corrugated metal bellows, the corrugations of which may be annular or spiral (see Figure 1) SIST EN 1736:2009
Flexible Pipe Elements
metallic flexibe pipe (3.2) metallic flexible tube (3.3) non-metallic flexible tube (3.4)
flexibility is configuration dependent (e. g. coils) flexibility is construction dependent (e. g. bellows) flexibility is material dependent (e. g. elastomer) Figure 1 — Types of flexible pipe elements 3.5 expansion joint tubular pipe element shaped in such a way that it provides limited movement to accommodate thermal expansion without reaching its elastic limit 3.6 vibration isolator short flexible tube usually of metallic construction which is intended to reduce the effects of vibration from the compressor to other parts of the refrigerating system or vice versa 3.7 maximum allowable pressure PS maximum pressure for which the equipment is designed, as specified by the manufacturer 3.8 maximum/minimum allowable temperature TS maximum/minimum temperature for which the equipment is designed, as specified by the manufacturer 4 Applications 4.1 General 4.1.1 The refrigerating system shall be so designed and constructed that the components being connected by the flexible pipe elements and non-metallic tubes cannot move in such a way as to stress the pipe element beyond its elastic limit. 4.1.2 Flexible pipe elements and non-metallic tubes shall be installed in accordance with the manufacturer's instructions. 4.1.3 Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes shall be used only if necessary. SIST EN 1736:2009
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La norme EN 1736:2008 joue un rôle essentiel dans le domaine des systèmes de réfrigération et des pompes à chaleur en fournissant des exigences claires pour la conception et l'installation d’éléments de tuyauterie flexibles, d'isolateurs de vibrations, de joints d'expansion et de tubes non métalliques. Son champ d'application est précis, englobant les circuits réfrigérants de ces systèmes, ce qui en fait un document incontournable pour les professionnels du secteur. Les forces de cette norme résident dans sa capacité à établir des critères rigoureux pour qualifier l'étanchéité des tubes non métalliques, tels que les tubes plastiques, utilisés dans les phases d'évaporation et de condensation. Cela garantit non seulement la performance des systèmes, mais contribue également à la sécurité et à l'efficacité énergétique des installations. La norme s'assure également que les éléments flexibles, y compris les tuyaux et tubes métalliques, respectent des standards de qualité qui minimisent le risque de défaillance dans des conditions opérationnelles normales. De plus, EN 1736:2008 apporte une clarté dans les pratiques d'installation, ce qui est essentiel pour éviter des erreurs qui pourraient conduire à des fuites ou à des défauts de fonctionnement. Bien que cette norme n'inclut pas les tuyaux flexibles soumis à des contraintes occasionnelles, son approche ciblée garantit que les applications critiques sont couvertes, renforçant ainsi la fiabilité des systèmes dans lesquels ces éléments sont intégrés. En conclusion, la norme EN 1736:2008 est pertinente et actuelle, offrant un cadre de référence qui répond aux exigences modernes des systèmes de réfrigération et des pompes à chaleur. Son adoption par les professionnels du secteur peut significativement améliorer la durabilité et la performance des installations, tout en respectant les réglementations en vigueur.
Die Norm EN 1736:2008 behandelt die Anforderungen, das Design und die Installation von flexiblen Rohrelementen, Vibrationsdämpfer, Erweiterungsfugen und nicht-metallischen Rohren in Kältesystemen und Wärmepumpen. Der Geltungsbereich dieser Norm ist klar definiert und konzentriert sich auf die spezifischen Komponenten, die in den Kältemittelkreisläufen dieser Systeme verwendet werden. Hierbei werden sowohl metallische als auch nicht-metallische Komponenten berücksichtigt. Ein wesentlicher Stärke der Norm liegt in den detaillierten Vorgaben zur Bewertung der Dichtheit von nicht-metallischen Rohren, wie beispielsweise Kunststoffrohren, die in den Verdampfungs- und Kondensationsbereichen eingesetzt werden. Diese Anforderungen sind entscheidend, um die Effizienz und Sicherheit der Kühlsysteme zu gewährleisten. Des Weiteren spezifziert die Norm, dass sie nicht für flexible Rohre gilt, die nur gelegentlich über die elastische Grenze belastet werden, wie beispielsweise bei Reparaturarbeiten, oder für Verbindungen, die sich frei drehen oder schwenken können. Diese Einschränkung trägt dazu bei, dass die Norm in ihrem Geltungsbereich präzise bleibt und somit die Anwendbarkeit in der Praxis sichert. Die Relevanz der EN 1736:2008 ist hoch, da sie Fachleuten in der Kälte- und Klimatechnik eine wertvolle Richtlinie bietet, um sicherzustellen, dass die installierten Systeme den erforderlichen Standards entsprechen und effizient arbeiten. Die Norm fördert zudem die Sicherheit, indem sie klare Anforderungen an die Planung und Installation stellt, was unverzichtbar für die Langlebigkeit und den zuverlässigen Betrieb der Kälteanlagen und Wärmepumpen ist. Zusammenfassend liefert die EN 1736:2008 ein umfassendes Regelwerk, das sowohl das Design als auch die Installation von flexiblen Rohrelementen und nicht-metallischen Rohren in Kühlsystemen präzise regelt, und damit einen bedeutenden Beitrag zur Qualifikation und Standardisierung in diesem technischen Bereich leistet.
SIST EN 1736:2009 표준은 냉각 시스템 및 히트 펌프에서의 유연한 파이프 요소, 진동 절연기, 팽창 이음새 및 비금속 튜브에 대한 요구 사항, 설계 및 설치를 세부적으로 설명하고 있습니다. 이 문서는 금속 유연한 파이프, 금속 유연한 튜브와 비금속 튜브의 역할을 정의하며, 냉매 회로 내에서의 안전성과 기능성을 보장하기 위한 필수 요구 사항을 설정합니다. 주요 강점 중 하나는 비금속 튜브의 밀폐성을 평가하기 위한 기준을 포함하고 있다는 점입니다. 이는 냉각 시스템과 히트 펌프의 증발기 및 응축기 측에서 비금속 튜브의 성능을 보장하기 위한 필수 요소입니다. 또한, 문서는 유연한 파이프 요소의 설계와 설치 방법에 대한 명확한 지침을 제공하여 설치자의 안전성을 높입니다. 이 표준은 특정 상황에서만 하중이 가해지는 유연한 파이프에는 적용되지 않으며, 회전 또는 경첩이 자유로운 조인트에는 적용되지 않는 점도 노트해야 할 부분입니다. 이러한 명확한 범위 설정은 표준이 적용될 수 있는 상황과 그렇지 않은 상황을 분명히 하여 기술적 오류를 방지하는 데 기여합니다. 결론적으로, SIST EN 1736:2009 표준은 냉각 시스템 및 히트 펌프 분야에서 필수적인 유연한 파이프 요소와 관련한 설계 및 설치 기준을 제시하며, 이로 인해 제조업체와 설치자가 제품의 품질과 신뢰성을 보장할 수 있도록 돕습니다.
The EN 1736:2008 standard delineates essential requirements, design principles, and installation guidelines for flexible pipe elements, vibration isolators, expansion joints, and non-metallic tubes specifically within refrigerating systems and heat pumps. Its comprehensive scope ensures that all components critical to the efficient and safe operation of refrigerant circuits are adequately addressed, enhancing the reliability of such systems. One of the key strengths of EN 1736:2008 is its detailed specification of the design and installation requirements, which are crucial for maintaining the integrity of refrigerant flow and minimizing potential leaks or failures. The inclusion of criteria for both metallic and non-metallic elements allows for a versatile application, catering to various system types while emphasizing the safety and durability of components used. Additionally, the standard’s focus on the tightness qualifications for non-metallic tubes, including plastics used in evaporating and condensing sides, underscores its relevance in an era where energy efficiency and environmental concerns are paramount. As refrigerating systems and heat pumps rely heavily on the proper functioning of these elements, adherence to EN 1736:2008 assists manufacturers and installers in meeting operational effectiveness while mitigating risks associated with system failures. It is important to note, however, that the standard explicitly excludes flexible pipes subjected only to occasional stress beyond their elastic limit, as well as joints allowed to rotate or hinge. This clarification helps delineate the scope and application of the standard, ensuring users are aware of its limitations and can apply the guidelines appropriately in their specific contexts. Overall, EN 1736:2008 serves as a critical reference document that not only sets forth vital requirements for the design and installation of components in refrigerating systems and heat pumps but also reinforces best practices that lead to enhanced performance and reliability in these essential technologies.
標準 EN 1736:2008 は、冷凍システムやヒートポンプにおける柔軟な全管要素、振動アイソレーター、膨張継手及び非金属チューブに関する要求事項、設計及び施工を詳細に規定しています。この文書は、冷媒回路に使用される金属製または非金属製の柔軟な管要素について明確なガイドラインを提供しており、特に金属製の柔軟な管やチューブの設計と実践的な使用方法に焦点を当てています。 この標準の強みは、さまざまな要素に対する具体的な要件を設定している点です。例えば、非金属チューブの気密性を評価する基準が明確にされ、冷凍システムとヒートポンプの蒸発側および凝縮側での使用において不可欠な信頼性を確保しています。さらに、標準が金属製と非金属製の柔軟な管要素の両方に対して包括的な枠組みを提供することにより、設計者や施工業者が製品選定を行う際の利便性を高めています。 また、EN 1736:2008は、修理作業中に弾性限界を超えて適用されることはない柔軟管については対象外とする旨を明記しており、特定の使用条件下における適応性を考慮しています。このような明確な区分けは、業界における標準化の重要性を強調し、適切な設計と施工が行われることを促進します。 総じて、EN 1736:2008は冷凍システム及びヒートポンプ分野において、柔軟な全管要素に関する信頼できる基準となり、品質及び性能の向上に寄与するものです。この標準の採用により、設計者や施工者は技術的な要件を満たしつつ、安全で持続可能な冷凍技術の実現へ向けての道筋を確保することができます。
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