Valves for waterworks purposes - Predominantly key-operated cast iron gate valves. Code of practice1 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.

ISO 7000 is an essential international standard if you place these symbols as labelling on products

These standard measuring conditions specified in BS IEC 62629‑12‑2 is useful for measuring motion artifacts in different climatic conditions

aggressive or dangerous behaviours (such as climbing on equipment or throwing objects)

handles or bore diameters (of unmounted instruments)

carbon-manganese and low-alloy steel

which helps in the storage of raw material without any kind of wastage due to temperature variation

domestic premises include any permanently sited leisure accommodation vehicles

and materials needed to perform the test

Mating durability test for a plug-adaptor-plug configuration

This indentation test is not suitable for products which contain a strong plasticizer

ISO 21130 is only applicable to emergency towing arrangements

It is not applicable for: