SIST EN 448:2016
(Main)District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
This European Standard specifies requirements and test methods for fittings of prefabricated thermally insulated pipe-in-pipe assemblies comprising a steel service fitting from DN 20 to DN 1200, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with preinsulated pipe assemblies in accordance with EN 253.
This European Standard covers the following fittings: bend, tee, reducer, single use compensator and anchor.
This European Standard applies only to factory made prefabricated fitting assemblies and single use compensators for continuous operation with hot water at various temperatures in accordance with EN 253.
This European Standard applies to fitting assemblies with a minimum design pressure of 16 bar (overpressure) complying with EN 13941.
This European Standard does not include calculation rules for loads and stresses. The design and installation rules, for the system, are given in EN 13941.
Fernwärmerohre - Werkmäßig gedämmte Verbundmantelrohrsysteme für direkt erdverlegte Fernwärmenetze - Verbundformstücke, bestehend aus Stahl-Mediumrohr, Polyurethan-Wärmedämmung und Außenmantel aus Polyethylen
Diese Europäische Norm legt Anforderungen an und Prüfverfahren für Formstücke von werkmäßig wärme-gedämmten Verbundmantelrohren für erdverlegte Fernwärmenetze fest, die aus einem Stahl Mediumrohr von DN 20 bis DN 1 200 mit Wärmedämmung aus Polyurethan-Hartschaumstoff und einer Ummantelung aus Polyethylen für direkt erdverlegte Fernwärmenetze aus werkmäßig gedämmten Verbund Rohrsystemen nach EN 253 bestehen.
Diese Europäische Norm behandelt folgende Formstücke: Bogenstück, T-Stück, Reduzierstück, Einmalkompensator und Festpunktelement.
Diese Europäische Norm gilt ausschließlich für werkmäßig gedämmte Verbundformstücke und Einmalkompensatoren für den Dauerbetrieb mit Warmwasser bei unterschiedlichen Betriebstemperaturen nach EN 253.
Diese Europäische Norm gilt für Verbundformstücke, die für einen Druck von mindestens 16 bar (Überdruck) nach EN 13941 ausgelegt sind.
Diese Europäische Norm enthält keine Regeln für die Berechnung von Last- und Spannungswerten. Die Regeln für Aus¬legung und Installation des Systems sind EN 13941 zu entnehmen.
Tuyaux de chauffage urbain - Systèmes bloqués de tuyaux préisolés pour les réseaux enterrés d'eau chaude - Raccords préisolés, tubes de service en acier, isolation thermique en polyuréthanne et tube de protection en polyéthylène
La présente Norme européenne définit les exigences et les méthodes d’essai applicables aux raccords des systèmes préfabriqués de tubes isolés thermiquement pour les réseaux d'eau chaude enterrés directement, conformes à l’EN 253, comprenant des raccords de service en acier de DN 20 à DN 1200, une isolation en mousse rigide de polyuréthane et un tube de protection en polyéthylène.
La présente Norme européenne couvre les raccords suivants : coude, té, réducteur, compensateur à usage unique et pièce d’ancrage.
La présente Norme européenne s’applique uniquement aux assemblages de raccords préfabriqués en usine et aux compensateurs à usage unique utilisés en service continu avec de l’eau chaude à diverses températures conformément à l’EN 253.
La présente Norme européenne s’applique aux raccords de pression minimale de calcul de 16 bar (surpression) conformément à l’EN 13941.
La présente Norme européenne ne comprend pas de règles de calcul pour les charges et les contraintes. Les règles de conception et d'installation du système sont données dans l'EN 13941.
Cevi za daljinsko ogrevanje - Izolirani vezani cevni sistemi za podzemeljska toplovodna omrežja - Sestav fitingov jeklenih cevi, poliuretanske toplotne izolacije in zunanjega polietilenskega plašča
Ta evropski standard določa zahteve in preskusne metode za fitinge predizdelanih, toplotno izoliranih cevnih sestavov, sestavljenih iz jeklenih fitingov od DN 20 do DN 1200, trde poliuretanske izolacijske pene in zunanjega polietilenskega plašča za uporabo v podzemeljskih toplovodnih omrežjih z izoliranimi vezanimi sistemi v skladu s standardom EN 253. Ta evropski standard zajema naslednje fitinge: kolena, priključke T, reducirne priključke, kompenzatorje za enkratno uporabo in sidra. Ta evropski standard se uporablja samo za izolirane sestave fitingov in kompenzatorje za enkratno uporabo za neprekinjeno delovanje z vročo vodo pri različnih temperaturah v skladu s točko 1 standarda EN 253:2009. Ta evropski standard se uporablja za sestave fitingov z minimalnim predvidenim tlakom 16 barov (nadtlak) v skladu s standardom EN 13941. Smernice za preverjanje kakovosti so navedene v dodatku A tega evropskega standarda. Postopki za varjenje polietilena so navedeni v dodatku B tega evropskega standarda. OPOMBA: Ta evropski standard ne zajema pravil za izračun obremenitev in napetosti.
General Information
- Status
- Withdrawn
- Public Enquiry End Date
- 29-Apr-2014
- Publication Date
- 08-Dec-2015
- Withdrawal Date
- 27-Oct-2019
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 9900 - Withdrawal (Adopted Project)
- Start Date
- 28-Oct-2019
- Due Date
- 20-Nov-2019
- Completion Date
- 28-Oct-2019
Relations
- Effective Date
- 01-Jan-2016
- Effective Date
- 23-Oct-2019
- Effective Date
- 14-Jun-2017
Frequently Asked Questions
SIST EN 448:2016 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene". This standard covers: This European Standard specifies requirements and test methods for fittings of prefabricated thermally insulated pipe-in-pipe assemblies comprising a steel service fitting from DN 20 to DN 1200, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with preinsulated pipe assemblies in accordance with EN 253. This European Standard covers the following fittings: bend, tee, reducer, single use compensator and anchor. This European Standard applies only to factory made prefabricated fitting assemblies and single use compensators for continuous operation with hot water at various temperatures in accordance with EN 253. This European Standard applies to fitting assemblies with a minimum design pressure of 16 bar (overpressure) complying with EN 13941. This European Standard does not include calculation rules for loads and stresses. The design and installation rules, for the system, are given in EN 13941.
This European Standard specifies requirements and test methods for fittings of prefabricated thermally insulated pipe-in-pipe assemblies comprising a steel service fitting from DN 20 to DN 1200, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with preinsulated pipe assemblies in accordance with EN 253. This European Standard covers the following fittings: bend, tee, reducer, single use compensator and anchor. This European Standard applies only to factory made prefabricated fitting assemblies and single use compensators for continuous operation with hot water at various temperatures in accordance with EN 253. This European Standard applies to fitting assemblies with a minimum design pressure of 16 bar (overpressure) complying with EN 13941. This European Standard does not include calculation rules for loads and stresses. The design and installation rules, for the system, are given in EN 13941.
SIST EN 448:2016 is classified under the following ICS (International Classification for Standards) categories: 23.040.07 - Pipeline and its parts for district heat; 23.040.40 - Metal fittings; 91.140.65 - Water heating equipment. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 448:2016 has the following relationships with other standards: It is inter standard links to SIST EN 448:2009, SIST EN 448:2020, SIST EN 448:2020. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase SIST EN 448:2016 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 SIST standards.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.RG]HPHOMVNDFernwärmerohre - Werkmäßig gedämmte Verbundmantelrohrsysteme für direkt erdverlegte Fernwärmenetze - Verbundformstücke, bestehend aus Stahl-Mediumrohr, Polyurethan-Wärmedämmung und Außenmantel aus PolyethylenTuyaux de chauffage urbain - Systèmes bloqués de tuyaux préisolés pour les réseaux enterrés d'eau chaude - Raccords préisolés, tubes de service en acier, isolation thermique en polyuréthanne et tube de protection en polyéthylèneDistrict heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene91.140.65Oprema za ogrevanje vodeWater heating equipment23.040.40Kovinski fitingiMetal fittings23.040.07Cevovodi za daljinsko ogrevanje in njihovi deliPipeline and its parts for district heatICS:Ta slovenski standard je istoveten z:EN 448:2015SIST EN 448:2016en,fr,de01-januar-2016SIST EN 448:2016SLOVENSKI
STANDARDSIST EN 448:20091DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 448
November 2015 ICS 23.040.40 Supersedes EN 448:2009English Version
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
Tuyaux de chauffage urbain - Systèmes bloqués de tuyaux préisolés pour des réseaux d'eau chaude enterrés directement - Raccords préisolés pour tubes de service en acier, isolation thermique en polyuréthane et tube de protection en polyéthylène
Fernwärmerohre - Werkmäßig gedämmte Verbundmantelrohrsysteme für direkt erdverlegte Fernwärmenetze - Verbundformstücke, bestehend aus Stahl-Mediumrohr, Polyurethan-Wärmedämmung und Außenmantel aus Polyethylen This European Standard was approved by CEN on 5 September 2015.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 448:2015 ESIST EN 448:2016
Guidelines for inspection and testing . 23 A.1 General . 23 A.2 Manufacturer’s type test . 23 A.3 Manufacturer’s quality control . 23 A.4 External inspection . 23 A.5 Extent of inspection . 23 A.6 Manufacturer’s responsibility . 23 Annex B (informative)
Procedures for polyethylene welding . 26 B.1 General . 26 B.2 Recommendations for site, machine and equipment . 26 B.3 Items . 26 B.4 Butt fusion welding . 26 B.5 Extrusion welding . 28 Bibliography . 30
deviation in direction of the steel pipe centre lines 3.3 butt welded bend bend manufactured either by hot bending of steel pipe or by hot forming of steel plates which are subsequently welded together 3.4 cold formed bend bend manufactured by cold bending of steel pipe 3.5 cap not pre-insulated butt welded fitting to be welded on the end of a pipe or fitting 3.6 fitting reducer, tee, factory-made elbow and bend, cap, welding stub, mechanical joint 3.7 forged T-piece T-piece manufactured by hot forming of either steel pipes or steel plates which are subsequently welded together 3.8 hot formed bend bend manufactured by heating pipe during bending 3.9 induction bend bend manufactured by induction bending 3.10 induction bending continuous bending process which utilizes induction heating to create a narrow, circumferential, heated band around the material being bent 3.11 nominal size, DN alphanumeric designation of size, common to components in piping systems which are used for reference purposes [SOURCE: EN ISO 6708:1995, 2.1, modified] SIST EN 448:2016
Key a cold or hot formed bends e tee with welding saddle b butt welding bend or elbows f tee with drawn collar c
g directly welded tee d forged tee
Figure 1 — Examples SIST EN 448:2016
For Sweden, a deviating situation is applicable for EN 253:2009+A2:2015, Table 1 (see the A-deviation in EN 253:2009+A2:2015, Annex G). 4.1.3 Wall thickness and diameter According to the scope of this European Standard, all components shall be designed for a minimum of 16 bar. NOTE If the fitting assemblies have to be used in situations with pressures higher than 16 bar, extra calculations will be necessary. The minimum nominal wall thickness of all components shall prior to processing be at least the same as for the straight pipes. The nominal diameter, the outside diameter and the minimum nominal wall thickness shall be the same as for the straight pipes in accordance with EN 253:2009+A2:2015, Table 2. The tolerances on the outside diameter of the pipe ends shall be in accordance with EN 253:2009+A2:2015, Table 3. Subject to design considerations other wall thicknesses than those given in EN 253:2009+A2:2015, Table 2 may be used, but in no case shall these be less than the minima indicated in EN 253:2009+A2:2015, Table 2. All components shall be designed in accordance with EN 13941, for the actions and stresses that normally occur during a system's entire service life. 4.1.4 Bends 4.1.4.1 Butt welding bends The dimensions shall be in accordance with EN 10253-2 with the exception that the bend radius shall be
· 1,5 times the outer diameter. 4.1.4.2 Cold formed bends Cold formed bends shall be produced from seamless pipe or longitudinal welded pipes. At cold formed bends made of longitudinal welded pipes the weld bead shall be welded to factor V = 1 (calculation stress = 100 %). After bending, the minimum wall thickness of the bent pipe shall be not less than 85 % of the nominal wall thickness of the straight pipe (see EN 253:2009+A2:2015, Table 2). The maximum ovality in the bent area shall not exceed 6 %. The formula for the calculation of the ovality is: ()sDDD−=×os maxs min 100 (1) where SIST EN 448:2016
¶ DN 200 ±2,0° > DN 200 ±1,0° 4.1.5 T-pieces 4.1.5.1 Forged T-pieces The wall thickness T and T1, see EN 10253-2, shall be at least the same as those for the straight pipes, see EN 253:2009+A2:2015, Table 2. All other dimensions shall be in accordance with EN 10253-2. 4.1.5.2 Welding saddles Welding saddles shall be of the type which shall be welded into the wall of the main pipe. The wall thickness of the welding saddles shall be at least the same as the wall thicknesses of the main pipes and the branch pipes which shall be welded to the saddles. 4.1.5.3 Welded T-pieces Welded T-pieces shall be manufactured either by using welding saddles or by drawing a collar on which the branch pipe is welded or by welding the branch pipe directly to the main pipe. The wall thickness of the collar shall be at least the same as that for the branch pipe, see EN 253:2009+A2:2015, Table 2. The collar shall be drawn opposite the welding seam in the main pipe. When using branch pipe directly welded to the main pipe, compensating (reinforcement) plates can be used according to EN 13941 requirements. SIST EN 448:2016
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Die SIST EN 448:2016 ist ein bedeutendes Regelwerk, das spezielle Anforderungen und Prüfmethoden für Fittings von vorgefertigten, thermisch isolierten Rohr-in-Rohr-Systemen festlegt. Diese Norm richtet sich insbesondere an Stahlservicefittings mit einem Durchmesser von DN 20 bis DN 1200 und verwendet starre Polyurethanschaum-Isolation sowie ein äußeres Polyethylen-Gehäuse. Die Relevanz dieser Norm wird durch ihren spezifischen Fokus auf direkt vergrabene Heizungsnetze, die mit vorisolierten Rohrsystemen gemäß EN 253 arbeiten, unterstrichen. Ein hervorstechendes Merkmal der SIST EN 448:2016 ist die klare Definition der verschiedenen Fittingtypen, die umfasst werden: Bogen, T-Stück, Reduzierer, Einmalkompensatoren und Anker. Diese Zertifizierung gewährleistet, dass die Systeme für den Einsatz in kontinuierlichen heißwasserführenden Anwendungen optimiert sind, wobei sie auch die Betriebssicherheit bei unterschiedlichen Temperaturen berücksichtigt. Ein weiterer wichtiger Aspekt dieser Norm ist die Anforderung, dass die Fittingassemblies eine Mindestkonstruktion von 16 bar Überdruck einhalten müssen, was in Übereinstimmung mit EN 13941 steht. Dies stellt sicher, dass bei der Nutzung einer solchen Infrastruktur die erforderlichen Sicherheitsstandards geachtet werden, um ein sicheres Betreiben der Heizungsnetze zu garantieren. Es ist jedoch zu beachten, dass die SIST EN 448:2016 keine Berechnungsregeln für Lasten und Spannungen enthält; diese sind in der EN 13941 festgelegt. Dies ermöglicht es Fachleuten, die Norm in Zusammenhang mit den ausführlichen Design- und Installationsregeln zu betrachten, wodurch die Anwendung der Norm in der Praxis nochmals unterstrichen wird. Insgesamt bietet die SIST EN 448:2016 eine solide Grundlage für die gemeinsamen Standards in der Planung und Ausführung von Heizungs- und Versorgungssystemen, die nicht nur die Qualität und Zuverlässigkeit der Fittings sicherstellt, sondern auch einen wesentlichen Beitrag zur Effizienz von direkt vergrabenen Heizungsnetzen leistet.
The SIST EN 448:2016 standard plays a crucial role in the development and maintenance of district heating systems by establishing comprehensive requirements for preinsulated bonded pipe systems used in directly buried hot water networks. This standard covers a wide scope, specifically focusing on factory-made prefabricated fittings that include essential components such as bends, tees, reducers, single-use compensators, and anchors. One of the notable strengths of this standard is its specification of rigorous test methods and requirements to ensure product reliability and performance, particularly regarding the integrity of the steel service pipes, rigid polyurethane insulation, and polyethylene outer casing. By defining these parameters, SIST EN 448:2016 enhances safety and operational efficiency, facilitating better performance in hot water applications within pressure limits of 16 bar. Furthermore, the standard's alignment with EN 253 and EN 13941 provides a coherent framework that contextualizes the fitting assemblies in relation to broader piping system standards. This enhances the relevance of SIST EN 448:2016, ensuring that stakeholders in the district heating sector can rely on a unified set of specifications for the design and installation of piping assemblies. However, it is important to note that while the standard delineates requirements for the fitting assemblies used in hot water transmission, it intentionally omits design and calculation rules for loads and stresses, focusing solely on the fittings themselves. This clarity allows manufacturers and engineers to concentrate on compliance with specific assembly criteria while referring to EN 13941 for overarching design and operational guidance. In summary, SIST EN 448:2016 stands out as a vital standard within the district heating sector, providing specifications that ensure the integrity and reliability of preinsulated bonded pipe systems. Its comprehensive approach, alongside its adherence to established European standards, underscores its significance in promoting effective and safe hot water distribution networks.
La norme SIST EN 448:2016 spécifie les exigences et les méthodes d'essai pour les assemblages préfabriqués de tubes préisolés destinés aux réseaux d'eau chaude enterrés. Son domaine d'application est particulièrement pertinent, car elle couvre divers raccords indispensables, tels que les coudes, les tés, les réducteurs, les compensateurs à usage unique et les ancres, qui sont essentiels pour assurer la fiabilité et l'efficacité des systèmes de chauffage urbain. Un point fort de cette norme est qu'elle s'applique uniquement aux assemblages de raccords préfabriqués fabriqués en usine. Cela garantit une qualité homogène des produits et respecte les exigences spécifiques de fonctionnement continu avec de l'eau chaude à diverses températures, conformément à la norme EN 253. L'utilisation de mousse rigide en polyuréthane comme isolant thermique, associée à une gaine extérieure en polyéthylène, assure une performance thermique optimale, réduisant ainsi les pertes de chaleur dans les réseaux de chauffage urbain. La norme stipule également une pression de conception minimale de 16 bar, renforçant ainsi la sécurité et la durabilité des assemblages en service. Toutefois, il convient de noter que SIST EN 448:2016 ne traite pas des règles de calcul relatives aux charges et aux contraintes. Pour ces aspects, les utilisateurs doivent se référer à la norme EN 13941, qui établit les directives de conception et d'installation indispensables pour un fonctionnement sécurisé. Dans un contexte où l'efficacité énergétique et la durabilité sont de plus en plus prisées, la norme SIST EN 448:2016 est d'une grande pertinence. Elle offre un cadre détaillé pour le développement de systèmes de chauffage urbain fiables et performants, favorisant ainsi la transition énergétique vers des solutions plus durables. En intégrant des exigences claires et des méthodes d'essai rigoureuses, cette norme constitue un atout précieux pour les professionnels du secteur.
SIST EN 448:2016 표준은 직접 매립된 뜨거운 물 네트워크용의 프리콘스틸 충전 파이프 시스템에 대한 요구 사항과 시험 방법을 규정합니다. 이 표준의 범위는 DN 20에서 DN 1200까지의 강철 서비스 파이프를 사용한 프리패브 리케이션(void) 조립에 적용됩니다. 주요 구성 요소로는 경질 폴리우레탄 폼 단열재와 폴리에틸렌 외장 케이스가 포함됩니다. 이 표준의 강점은 다양한 형상의 피팅이 포함되어 있다는 점입니다. 여기에는 벤드, 티, 리듀서, 일회용 보상기 및 앵커가 포함되어 있어 시스템의 유연성과 적용 가능성을 높입니다. 또한, SIST EN 448:2016은 EN 253에 따른 프리인슐레이션 파이프 조립을 위한 요구 사항을 충족합니다. 또한 이 유럽 표준은 최소 설계 압력이 16바인 피팅 조립 및 일회용 보상기에 적용됩니다. 이는 EN 13941에 따른 안전성과 성능을 보장하는 데 기여하여 고온의 지속적인 운영이 가능한 점이 큰 장점입니다. 그러나 이 표준은 하중 및 응력에 대한 계산 규칙을 포함하지 않으며, 이와 관련된 설계 및 설치 규칙은 EN 13941에서 제공됩니다. SIST EN 448:2016 표준은 직접 매립형 뜨거운 물 네트워크의 효율성과 안정성을 높이는 데 기여할 수 있는 신뢰할 수 있는 지침을 제공하며, 이러한 특성은 현재와 미래의 여러 응용 분야에 있어 매우 중요합니다.
SIST EN 448:2016は、直接埋設された温水ネットワークのために設計されたプレインシュレーテッドボンドパイプシステムのフィッティングアセンブリに関する標準です。この標準は、DN 20からDN 1200までの鋼のサービスフィッティング、硬質ポリウレタンフォームの断熱材、およびポリエチレンの外装を含むプレファブリケートされた熱絶縁パイプアセンブリに対する要求事項と試験方法を明確に定義しています。 SIST EN 448:2016の大きな強みは、プレインシュレーテッド技術を使用した温水ネットワークに対する特定のフィッティングの要件を詳細に示している点です。特に、ベンド、ティー、リデューサー、シングルユースコンペンセーター、アンカーなどのフィッティングに関する細部にわたるガイドラインが提供されており、設計者やエンジニアが効率的かつ安全に施工を行えるようにサポートしています。 また、この標準は工場製造のプレファブリケートフィッティングアセンブリおよびシングルユースコンペンセーター専用としており、様々な温度での温水の連続運転に関する要件を満たすことを目的としています。この点は、現代のエネルギー効率を重視したシステム設計において非常に重要です。 さらに、SIST EN 448:2016は、EN 253に基づくプレインシュレーテッドパイプアセンブリを使用するための基準を提供し、最低設計圧力が16バール（過圧）に関する規定を含んでいます。これにより、耐久性と安全性が確保され、業界のベストプラクティスに沿った温水ネットワークの設計と構築が可能となります。 全体として、SIST EN 448:2016は、プレインシュレーテッドボンドパイプシステムにおけるフィッティングの設計および実装に対する明確かつ実用的なガイドラインを提供しており、現代の環境におけるその関連性は高いと言えます。各フィッティングの要求事項の明確化により、業界全体における標準化の推進と、安全で効率的な温水ネットワークの構築に寄与しています。
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