Belt drives. Grooved pulleys for narrow V-belts. Groove sections 9N/J, 15N/J and 25N/J (effective system)1 Scope This International Standard specifies the principal characteristics of grooved pulleys (for groove sections 9N J, 15N J and 25N J) intended to take both single and joined narrow V belts for industrial power transmission drives. Some background information on the series of effective diameters is given in annex A. NOTE The effective width of a groove is regarded as the basic dimension of standardization in the effective system for grooves and

Requirements for training programmes on enriched air nitrox (EAN) diving

This European Standard provides for the evaluation of conformity of the product to this European Standard

and application and marking of the equipment

This document specifies the requirements for fusion welding of unalloyed and low-alloy cast iron castings

IEC 60874-19-1 and IEC/PAS 61076-3-104

including both buildings and infrastructure

EN 60728-10

Compliance with the standard will allow you to put in place effective risk management and audit controls

Annex B have been revised

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BS 5070-4 on logic diagrams in engineering diagram drawing  is relevant to:

3 Dealing with consumer vulnerability