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Workplace exposure

June 22, 2021 admin BS standards Leave a comment

BS EN 482:2021 pdf free.Workplace exposure一Procedures for the determination of the concentration of chemical agents一Basic performance requirements. 4 Classification 4.1 General In this document, measurements are classified according to their purposes. These classifications are based upon the measurement strategy in EN 689. 4.2 Screening measurements of time-weighted average concentration Screening measurements of time-weighted average concentration are performed to obtain semiquantitative […]

Test gases

June 22, 2021 admin BS standards Leave a comment

BS EN 437:2021 pdf free.Test gases一Test pressures一Appliance categories. The values of the test pressures, i.e. the static pressure to be applied at the gas inlet connection to the appliance whilst in operation, are given in Tables 5 and 6. NOTE The test conditions are specified in the individual appliance standards. However: — for the combustion test in still air with […]

Plumbing fittings

June 22, 2021 admin BS standards Leave a comment

BS EN 1254-6:2021 pdf free.Copper and copper alloys一Plumbing fittings Part 6: Push-fit fttings for use with metallic tubes, plastics and multilayer pipes. When tested according to the method in 5.16 the change in pressure shall not be greater than 0,05 bar at the conclusion of the test. 4.2.8 Leak tightness under temperature cycling When tested according to the method in […]

Copper and copper alloys

June 22, 2021 admin BS standards Leave a comment

BS EN 1254-4:2021 pdf free.Copper and copper alloys一Plumbing fittings Part 4: Threaded fittings. 5 Testing, assessment and sampling methods 5.1 General 5.1.1 Preparation of fttings for testing Combinations of fitting size within a test rig are possible. The minimum distance between the fitting under test and each end of the assembly shall be 100 mm. Adaptor fittings used to connect […]

Petroleum products

June 21, 2021 admin BS standards Leave a comment

BS ISO 23572:2020 pdf free.Petroleum products一Lubricating greases一Sampling of greases. The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3170:2004, Petroleum liquids […]

Liquid cargo handling equipment

June 21, 2021 admin BS standards Leave a comment

BS ISO 24042:2020 pdf free.Liquid cargo handling equipment—Crude oil offloading system—Tandem mooring winches. For the purposes of this document, the terms and definitions given in ISO 3828 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https://www.iso.org/obp — IEC Electropedia: available at http://www.electropedia.org/ 3.1 […]

Guide for procurement of power station equipment

June 21, 2021 admin BS standards Leave a comment

BS EN 45510-2-2:1999 pdf free.Guide for procurement of power station equipment一 Part 2: Electrical equipment – Section 2: Uninterruptible power supplies. This standard gives guidamce on writing the techmical specification for the procurement of static a.c.uninterruptible power supplies (UPSs) for use in electricity generating stations (power stations). This guide for procurement is not applicable to equipment for use in the […]

Castors and wheels Hospital bed castors

June 21, 2021 admin BS standards Leave a comment

BS EN 12531:1999 pdf free.Castors and wheels Hospital bed castors. BS EN 12531 specifies the technical requirements, the appropriate dimensions and the requirements for testing. This European Standard applies to swivel castors for hospital beds with a wheel diameter of 100 mm or more, which have a central locking device. Swivel castors may be used with the main principal dimensions. […]

Aircraft control wire rope assemb lies

June 21, 2021 admin BS standards Leave a comment

BS W 14:1999 pdf free.Aircraft control wire rope assemb lies — Technical specification. BS W 14 specifies the characteristics, inspections and test methods as well as the quality assurance requirements for aircraft control wire rope assemblies equipped with swaged end fittings. This International Standard is applicable to control wire rope assemblies as defined in ISO 9762. 2 Normative references The […]

Agricultural and forestry machinery

June 21, 2021 admin BS standards Leave a comment

BS EN 909:1999 pdf free.Agricultural and forestry machinery—Centre pivot and moving lateral types irrigation machines—Safety. 3 Definitions For the purpose of this standard, the definitions given in EN 292-1:1991 and EN 292-2: 1991 apply together with the following. irngation machine constiluted of a long length pipe supported by towers equipped with wheels iluiven by motors, including a fixed point where […]

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