EN 12735-2:2016
(Main)Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment
Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment
This European Standard specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, smooth or inner finned, used for heat exchangers and their internal connecting pipes in the manufacturing of refrigeration and air conditioning equipment.
It is applicable to tubes with an outside diameter from 3,97 mm up to and including 219 mm.
NOTE The tubes are supplied in straight length in the material conditions hard, half-hard or skin hard or as coils in the material conditions light annealed or soft annealed.
Kupfer und Kupferlegierungen - Nahtlose Rundrohre für die Kälte- und Klimatechnik - Teil 2: Rohre für Apparate
Diese Europäische Norm legt die Anforderungen, Probenentnahme, Prüfverfahren und die Lieferbedingungen für nahtlose Rundrohre aus Kupfer mit glatter oder berippter Innenoberfläche fest, die für Wärmeaustauscher und ihre inneren Verbindungsrohre bei der Herstellung von Apparaten der Kälte- und Klimatechnik verwendet werden.
Sie gilt für Rohre mit einem Außendurchmesser von 3,97 mm bis 219 mm.
ANMERKUNG Die Rohre werden in geraden Längen, im Zustand hart oder halbhart oder durch Richten gehärtet, oder als Spulen, im Zustand leicht geglüht oder weich geglüht, geliefert.
Cuivre et alliages de cuivre - Tubes ronds sans soudure pour l'air conditionné et la réfrigération - Partie 2: Tubes pour le matériel
La présente Norme européenne spécifie les exigences, le mode d'échantillonnage, les méthodes d'essai et les conditions de livraison applicables aux tubes ronds sans soudure en cuivre à intérieur lisse ou rainuré, utilisés pour les échangeurs thermiques et leurs raccordements intérieurs dans la fabrication des matériels de réfrigération et de conditionnement d'air.
Elle s’applique aux tubes ayant un diamètre extérieur de 3,97 mm à 219 mm inclus.
NOTE Ces tubes sont livrés en longueurs droites à l'état dur, demi-dur ou écroui en surface ou bien en couronnes à l'état recuit (1/4 dur ou recuit).
Baker in bakrove zlitine - Nevarjene okrogle bakrene cevi za hladilno in klimatsko tehniko - 2. del: Cevi za naprave in aparate
Ta evropski standard določa zahteve, postopek vzorčenja, preskusne metode in pogoje za dobavo nevarjenih okroglih bakrenih cevi, gladkih ali notranje orebrenih, ki se uporabljajo za toplotne prenosnike, ter njihove notranje priključene cevi v proizvodnji hladilne in klimatske opreme.
Uporablja se tudi za cevi z zunanjim premerom od 3,97 mm do vključno 219 mm.
Cevi so dobavljene v ravnih presekih v trdem, poltrdem ali površinsko ojačanem stanju ali v navojih v svetlo žarjenem ali mehko žarjenem stanju.
General Information
- Status
- Withdrawn
- Publication Date
- 14-Jun-2016
- Withdrawal Date
- 13-Apr-2025
- Technical Committee
- CEN/TC 133 - Copper and copper alloys
- Drafting Committee
- CEN/TC 133/WG 3 - Copper tubes (installation and industrial)
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 06-Nov-2024
- Completion Date
- 14-Apr-2025
Relations
- Effective Date
- 22-Jun-2016
- Effective Date
- 21-Aug-2019
Frequently Asked Questions
EN 12735-2:2016 is a standard published by the European Committee for Standardization (CEN). Its full title is "Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment". This standard covers: This European Standard specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, smooth or inner finned, used for heat exchangers and their internal connecting pipes in the manufacturing of refrigeration and air conditioning equipment. It is applicable to tubes with an outside diameter from 3,97 mm up to and including 219 mm. NOTE The tubes are supplied in straight length in the material conditions hard, half-hard or skin hard or as coils in the material conditions light annealed or soft annealed.
This European Standard specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, smooth or inner finned, used for heat exchangers and their internal connecting pipes in the manufacturing of refrigeration and air conditioning equipment. It is applicable to tubes with an outside diameter from 3,97 mm up to and including 219 mm. NOTE The tubes are supplied in straight length in the material conditions hard, half-hard or skin hard or as coils in the material conditions light annealed or soft annealed.
EN 12735-2:2016 is classified under the following ICS (International Classification for Standards) categories: 23.040.15 - Non-ferrous metal pipes. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 12735-2:2016 has the following relationships with other standards: It is inter standard links to EN 12735-2:2010, EN 12735-2:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 12735-2:2016 is associated with the following European legislation: EU Directives/Regulations: 2014/68/EU, 97/23/EC; Standardization Mandates: M/071. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN 12735-2:2016 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.Baker in bakrove zlitine - Nevarjene okrogle bakrene cevi za hladilno in klimatsko tehniko - 2. del: Cevi za naprave in aparateKupfer und Kupferlegierungen - Nahtlose Rundrohre für die Kälte- und Klimatechnik - Teil 2: Rohre für ApparateCuivre et alliages de cuivre - Tubes ronds sans soudure pour l'air conditionné et la réfrigération - Partie 2: Tubes pour le matérielCopper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment77.150.30Bakreni izdelkiCopper products23.040.15Cevi iz neželeznih kovinNon-ferrous metal pipesICS:Ta slovenski standard je istoveten z:EN 12735-2:2016SIST EN 12735-2:2016en,fr,de01-september-2016SIST EN 12735-2:2016SLOVENSKI
STANDARDSIST EN 12735-2:20101DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12735-2
June
t r s x ICS
t uä r v rä s w Supersedes EN
s t y u wæ tã t r s rEnglish Version
Copper and copper alloys æ Seamlessá round tubes for air conditioning and refrigeration æ Part
tã Tubes for equipment Cuivre et alliages de cuivre æ Tubes ronds sans soudure pour l 5air conditionné et la réfrigération æ Partie
tã Tubes pour le matériel
Kupfer und Kupferlegierungen æ Nahtlose Rundrohre für die Kälteæ und Klimatechnik æ Teil
tã Rohre für Apparate This European Standard was approved by CEN on
t z February
t r s xä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s x CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s t y u wæ tã t r s x ESIST EN 12735-2:2016
Freedom from defects test . 23 A.1 Eddy current test . 23 A.1.1 General . 23 A.1.2 Detection for non-local defects on coiled tubes . 23 A.2 Hydrostatic test . 24 SIST EN 12735-2:2016
Relationship between this European Standard and the Essential Requirements of Directive 2014/68/EU aimed to be covered . 25 Bibliography . 26
Tables Table 1 — Mechanical properties and grain size . 11 Table 2 — Nominal outside diameters and wall thicknesses for smooth tubes . 13 Table 3 — Tolerances on outside diameter for smooth tubes in straight length . 14 Table 4 — Tolerances on mean outside diameter for smooth tubes in coils . 14 Table 5 — Tolerances on wall thickness for smooth tubes . 15 Table 6 — Tolerances on wall thickness . 15 Table 7 — Tolerances on length for tubes supplied in straight lengths . 16 Table 8 — Maximum deviation from circular form expressed as percentage of the nominal outside diameter . 16 Table 9 — Recommended nominal outside diameters for inner finned tubes . 17 Table 10 — Testing of drift expanding . 18 Table 11 — Permissible number of defects for coils . 19 Table 12 — Coil and reel dimensions . 22 Table A.1 — Maximum drill diameters for reference standard tube . 23 Table A.2 — Hydrostatic pressure test . 24 Table ZA.1 — Correspondence between this European Standard and Annex I of Directive 2014/68/EU . 25
material condition designation (see Table 1); — nominal cross-sectional dimensions in millimetres: outside diameter x wall thickness (see Table 2 and Table 9); — inner surface type (the following designations shall be used as appropriate: S for smooth, F for finned). The derivation of a product designation is shown in the following example. EXAMPLE Copper tube conforming to this European Standard, in material condition Y040 (light annealed), nominal outside diameter 16 mm, nominal wall thickness 0,5 mm, smooth inner surface (S), will be designated as follows: Copper tube EN 12735-2 — Y040 — 16 × 0,5 — S Denomination Number of this European Standard Material condition designation Nominal cross-sectional dimensions in millimetres Inner surface type SIST EN 12735-2:2016
300 m Copper tube EN 12735-2 — Y040 × 0,5 — S
— 3 m straight lengths EXAMPLE 2 Ordering details for 17 tonnes copper tube conforming to EN 12735-2, in material condition Y040 (light annealed), nominal outside diameter 9 mm, nominal wall thickness 0,28 mm, inner finned (F), 130 kg coil, level wound (LWC):
17 tonnes Copper tube EN 12735-2 — Y040 × 0,28 — F
— 130 kg LWC SIST EN 12735-2:2016
¶ P
¶
rá r v r %. This copper grade is designated either Cu-DHP or
...
Die Norm EN 12735-2:2016 ist von erheblicher Bedeutung für die Industrie der Kältetechnik und Klimaanlagen, da sie spezifizierte Anforderungen an nahtlose, runde Kupferrohre definiert. Diese Norm gilt für Rohre, die mit einem Außendurchmesser von 3,97 mm bis einschließlich 219 mm produziert werden, und umfasst sowohl glatte als auch innen gerippte Rohre, die in Wärmetauschern und deren internen Verbindungsschläuchen verwendet werden. Eine der wichtigsten Stärken der EN 12735-2:2016 liegt in der klaren Festlegung der Prüfmethoden und Lieferbedingungen. Dies trägt dazu bei, dass die Qualität der Rohre, die für die Herstellung von Kälte- und Klimaanlagen verwendet werden, konstant hoch bleibt. Durch die detaillierten Vorschriften zur Probenentnahme wird sichergestellt, dass jede Charge von Rohren die festgelegten Standards erfüllt, was letztendlich zur Zuverlässigkeit und Effizienz der Endprodukte beiträgt. Die Norm ist besonders relevant, da sie die Notwendigkeit für belastbare Materialien in einem anspruchsvollen Umfeld abdeckt. Die Spezifikation der Materialzustände - ob hart, halbhart, sichelhart oder als Coils in weichglühen oder leicht geglüht - ermöglicht Herstellern eine Anpassung an spezifische Anwendungen und Betriebsbedingungen. Diese Flexibilität ist entscheidend für die erfolgreiche Implementierung von Kupferrohren in einer Vielzahl von Kälte- und Klimaanlagen. Insgesamt stellt die EN 12735-2:2016 einen essenziellen standardisierten Rahmen für Hersteller und Anwender von Kälte- und Klimaanlagen dar, da sie sowohl die Qualität als auch die Sicherheit der verwendeten Materialien gewährleistet.
The EN 12735-2:2016 standard is a comprehensive document that provides essential guidelines for seamless, round copper tubes specifically designed for air conditioning and refrigeration applications. Its scope encompasses a wide range of tube dimensions, with an outside diameter ranging from 3.97 mm to 219 mm, ensuring broad applicability in various industrial scenarios. One of the key strengths of this standard lies in its rigorous specification of requirements, sampling methods, and test protocols. This emphasis on quality assurance allows manufacturers of refrigeration and air conditioning equipment to rely on consistent material properties, which is crucial for the performance and efficiency of heat exchangers and internal connecting pipes. The inclusion of both smooth and inner finned tubes further enhances versatility, enabling users to select the most suited options for their specific system designs. The document also addresses conditions of delivery, which is vital for manufacturers and suppliers involved in the logistics of these materials. By clarifying that tubes can be supplied in straight lengths in hard, half-hard, or skin-hard conditions, as well as in coils in light annealed or soft annealed forms, EN 12735-2:2016 ensures that stakeholders can customize their orders to meet precise application requirements. The relevance of this standard is underscored by the increasing demand for efficient and reliable refrigerant systems globally. As the HVAC (heating, ventilation, and air conditioning) industry continues to evolve, adherence to this standard ensures that products comply with safety and performance benchmarks. EN 12735-2:2016 serves as a pivotal reference point for industry professionals tasked with the design, manufacturing, and installation of air conditioning and refrigeration systems, fostering innovation while maintaining high-quality standards.
La norme EN 12735-2:2016 est une référence incontournable dans le secteur de la climatisation et de la réfrigération, en spécifiant les exigences, les méthodes d'échantillonnage, les méthodes d'essai ainsi que les conditions de livraison pour les tubes en cuivre ronds sans soudure. Cette norme s'applique à une gamme de tubes ayant un diamètre extérieur variant de 3,97 mm à 219 mm, ce qui en fait un document fondamental pour les fabricants et les fournisseurs d'équipements de réfrigération. L'un des principaux points forts de cette norme est sa clarté quant aux conditions de fabrication et de livraison des tubes. La distinction entre les conditions matérielles telles que dur, demi-dur, et dur en surface, ainsi que la mention des bobines en état recuit léger ou recuit doux, permettent aux utilisateurs de choisir le produit le mieux adapté à leurs besoins spécifiques. Par ailleurs, l'inclusion de tubes lisses et à ailettes internes renforce l'adaptabilité de la norme aux différentes applications de l'équipement de réfrigération et de climatisation. La pertinence de la norme EN 12735-2:2016 se manifeste également dans son approche axée sur la performance et l'efficacité énergétique des systèmes de réfrigération. En spécifiant des exigences techniques rigoureuses, la norme contribue à garantir la durabilité et la fiabilité des tubes, ce qui est essentiel pour les installations de climatisation modernes. Les méthodes d'essai décrites dans le document assurent également que les tubes respectent les normes de qualité requises, renforçant ainsi la confiance des utilisateurs finaux dans les produits en cuivre. En résumé, la norme SIST EN 12735-2:2016 est un document crucial qui fournit des directives précises pour la production de tubes en cuivre utilisés dans les équipements de réfrigération et de climatisation. Sa portée, ses forces et sa pertinence en font une norme indispensable pour toute entreprise souhaitant assurer la qualité et l'efficacité de ses installations de climatisation.
표준 EN 12735-2:2016은 냉각과 공조 장비에 사용되는 매끄러운 또는 내부 핀 있는 seamless 원형 구리관에 대한 요구사항을 제시합니다. 이 표준의 범위는 구리 및 구리 합금으로 제작된 튜브가 포함되며, 외경이 3.97 mm에서 219 mm까지 적용됩니다. 이러한 규정은 열교환기 및 내부 연결관의 제조에 핵심적인 역할을 합니다. 이 표준의 주요 강점은 품질 및 성능 보증을 위한 명확한 테스트 방법과 샘플링 절차를 포함하고 있다는 점입니다. 이는 제조업체와 소비자 모두에게 신뢰성을 제공하며, 공조 및 냉각 장비의 효율성을 극대화하는 데 기여합니다. 더불어, 다양한 재질 상태로 제공되는 튜브는 요구되는 사용 조건에 맞춰 유연성을 보장합니다. EN 12735-2:2016은 최신 기술과 산업 기준을 반영하여 제조업체들이 경쟁력을 유지하는 데 필수적인 지침을 제공하며, 이는 산업 전반에 걸쳐 구리관 사용의 일관성과 안전성을 확보하는 데 기여합니다. 이러한 표준의 중요성은 공조 및 냉각 장비의 성능을 최적화하고, 사용자 요구에 부합하는 제품을 공급하는 데 매우 관련성이 높습니다.
標準EN 12735-2:2016は、空調および冷却機器用の銅および銅合金についての重要な規格であり、特にシームレスで丸い銅管に関する要件を明確に定義しています。この標準の範囲は、熱交換器およびその内部接続管の製造に使用される銅管に関連するすべての条件を含んでおり、適用される外径は3.97 mmから219 mmまでです。 この標準は以下のような強みを持っています。まず、銅管のサンプリングおよび試験方法を具体的に規定しているため、業界全体で統一的な品質の確保が可能です。また、納入条件に関しても詳細に説明されており、業者が顧客に対して適切な情報を提供することを容易にします。このように、製造者にとっても購入者にとっても利便性が高いのが特徴です。 さらに、硬い、半硬い、または皮膚硬いといった材料条件で直尺で供給される銅管に加え、軽いアニーリングまたは軟アニーリングの材料条件でコイルとしても提供される点は、さまざまな使用目的に応じた柔軟性を持っています。この柔軟性は空調や冷却装置の設計における素材選択の幅を広げ、効率的な製造プロセスを支援します。 EN 12735-2:2016は、空調および冷却機器市場における銅の使用に関して、非常に関連性が高く、今後の技術進歩に応じた適応性を持つ基盤を提供する標準です。これにより、産業界における安全性、信頼性、効率性の向上が期待されます。
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