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BS EN 50702:2021 pdf download

BS EN 50702:2021 pdf download.Railway applications — Rolling stock — Conductor rail current collectors (shoegear): Characteristics and tests. 5 Technical requirements 5.1 General All general characteristics are given in the customer specifications. Unless otherwise specified, environmental conditions are defined in EN 50125-1:2014. The category of environment shall be specified by the customer. 5.2 Gauge The current collector in all positions...

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BS 9251:2021 pdf download

BS 9251:2021 pdf download.Fire sprinkler systems for domestic and residential occupancies — Code of practice. 4.2.2 Sprinkler speci ication The sprinkler system designer should consult with stakeholders to develop and produce the speci ication (see 4.2.1). The speci ication for the design should include the following information: a) occupancy types for sprinkler protected areas; b) available water supplies; c) how...

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BS EN 437:2021 pdf download

BS EN 437:2021 pdf download.Test gases — Test pressures — Appliance categories. 4.2 Test gases The composition and principal characteristics of the different test gases corresponding to the gas families or groups are given in Tables 2 and 3. In particular cases specified in the individual appliance standards, gas G 24, whose characteristics are given in Table 3, may be...

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BS EN 197-5:2021 pdf download

BS EN 197-5:2021 pdf download.Cement Part 5: Portland-composite cement CEM II/C-M and Composite cement CEM VI. 6 Standard designation Cements covered by this document shall be designated by at least the notation of the cement type as specified in Table 1 and the Figures 32,5, 42,5 or 52,5 indicating the strength class. In order to indicate the early strength class...

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BS ISO 50009:2021 pdf download

BS ISO 50009:2021 pdf download.Energy management systems — Guidance for implementing a common energy management system in multiple organizations. 4 Context of the energy management group 4.1 Understanding the energy management group and its context Members of the EnMG (referred to in this document as the “constituent organizations”) have agreed to manage their energy use collaboratively to improve energy performance...

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BS ISO 6727:2021 pdf download

BS ISO 6727:2021 pdf download.Road vehicles — Motorcycles and mopeds — Symbols for controls, indicators and tell-tales. 4.10 Letters and numerals may be used as symbols, but are not registered by ISO/TC 145, Graphical symbols, or published in ISO 7000. For example, the letters R, N, D, listed as symbols <MG.01 to MG.03>, have the meaning indicated when used in...

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BS EN ISO 20743:2021 pdf download

BS EN ISO 20743:2021 pdf download.Textiles — Determination of antibacterial activity of textile products. 7.2.3 Glycerol suspension method Inoculate a 15 ml culture tube containing 5 ml of appropriate medium with a freshly grown isolated colony. Incubate, usually, for 5 h to overnight at 37 °C until the bacteria culture seems to reach the late logarithm or stationary phase in...

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BS ISO 16287:2021 pdf download

BS ISO 16287:2021 pdf download.Plain bearings — Thermoplastic bushes — Dimensions and tolerances. 8 Testing 8.1 General The dimensions of the bush shall be tested in the conditioned state (see also the Note in Clause 6). 8.2 Outside diameter, D o a) Check the outside bush diameter with two ring gauges. The GO ring corresponds to the maximum D o...

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BS EN ISO 8849:2021 pdf download

BS EN ISO 8849:2021 pdf download.Small craft — Electrically operated bilge pumps. 5 Electrical requirements 5.1 Submersible pumps shall have watertight electrical connections, IP 67, in accordance with IEC 60529:2013. The use of a length of watertight electrical cable sealed at the pump connection is recommended, so that connections to the power supply can be made above the critical bilge-water...

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BS ISO 22341:2021 pdf download

BS ISO 22341:2021 pdf download.Security and resilience — Protective security — Guidelines for crime prevention through environmental design. 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 22300 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available...

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