Introduction of national standards
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BS EN 13497:2018 pdf free.Thermal insulation products for building applications一Determination of the resistance to impact of external thermal insulation composite systems (ETICS). For the test a steel ball is dropped from a specified height onto the surface of the test specimen (see Table 1). A second impact (rebound) by the ball shall be avoided. 5.2 Steel ball requirements Balls made […]
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BS EN IEC 60958-5:2021 pdf free.Digital audio interface Part 5: Consumer application enhancement. For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: ●IEC Electropedia: available at ht://www.electropedia.org/ ●ISO Online browsing platform: available at http://www.iso.org/obp one-bit audio one-bit length audio data stream Note 1 […]
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BS EN 17371-1:2021 pdf free.Provision of services Part 1: Service procurement – Guidance for the assessment of the capacity of service providers and evaluation of service proposals. It may specif’ required minimum performance levels for each requirement. A pre-requisite is that the buyer understands what services are currently being delivered and at what cost. The buyer then needs to have […]
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BS EN 17104:2021 pdf.Thermoplastics rigid protective wallcovering panels for internal use in buildings一 Performance characteristics. 6 Assessment and verification of constancy of performance – AVCP 6.1 General The technical details necessary for the implementation of the system of assessment and verification of constancy of performance comprise provisions with regards to: — the assessment of the performance of the construction product, […]
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BS EN 14275:2003 pdf free.Methods of test for petroleum and its products BS 2000-509: Automotive fuels一 Assessment of petrol and diesel fuel quality一Sampling from retail site pumps and commercial site fuel dispensers. This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications […]
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BS EN 13445-1:2021 pdf free.Unfired pressure vessels General. main pressure bearing parts parts which constitute the envelope under pressure, essential for the integrity of the equipment. manufacturer individual or organization responsible for the design, fabrication, testing, installation where relevant, and compliance with the requirements of the relevant product standard, whether executed by him or a subcontractor. Note 1 to entry: […]
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BS EN 1264-3:2021 pdf free.Water based surface embedded heating and cooling systems Part 3: Dimensioning. For ceiling heating systems, the specifications and Formula (1) given in 4.1.1.1 apply. 4.2.1.2 Characteristic curve For ceiling heating systems, Formula (2) and the respective specifications given In 41.12, apply. The gradient KH is determined according to EN 1264-2 and EN 1264-5. For detailed information […]
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BS EN 3475-512:2021 pdf free.Aerospace series一Cables, electrical, aircraft use – Test methods Part 512: Flexure endurance. This document specifies a method of testing ulexure endurance of the cable when it is subjected to alternating flexing. It is used together with EN 3475-100. 2 Normative references The following documents are referred to in the text in such a way that some […]
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BS EN 1366-5:2021 pdf free.Fire resistance tests for service installations Part 5: Service ducts and shafts. The exposure condition (fire inside or fire outside) shall be as specified by the sponsor. Ducts shall be arranged as shown in Figures 1 or 2 and shafts shall be arranged as shown in Figures 3 or 4. Service ducts or shafts with fire […]
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BS EN 1264-2:2021 pdf free.Water based surface embedded heating and cooling systems Floor heating: Methods for the determination of the thermal output using calculations and experimental tests. 9 Test procedure for the determination of the thermal output of systems that cannot be calculated in accordance with Clause 6 For constructions which do not correspond to the basic construction of the […]
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