Valves for waterworks purposes - Predominantly key-operated cast iron gate valves. Code of practice Ingestion-build-44616 when used for power transmission

when used for power transmission

materials and electrical equipment for wipers required to meet the needs of ISO 8468 where such wipers are specified

enabling the prevention of hazards

BS EN 4127 specifies the characteristics of bolts

Valves for waterworks purposes - Predominantly key-operated cast iron gate valves. Code of practice Ingestion-build-44616 when used for power transmission1 Scope This part of Bs 5163 gives guidance on selection, including reference to preferred features and operation, of cast iron gate valves, complying with Bs EN 10741 and Bs EN 10742, with flanged ends, that are ring key and bar operated. These valves are primarily for underground use for waterworks purposes and primarily for use with water intended for human consumption in the United Kingdom.