BS EN 12259-14:2020+A2:2024 - Page 2

Fixed firefighting systems. Components for sprinkler and water spray systems. Sprinklers for residential applications | Status: Current

1 Scope This document specifies requirements for the construction and performance of residential sprinklers as well as test methods for their type approval, which are operated by a change of state of an element or bursting of a glass bulb under the influence of heat and incorporating the following types of water seals:

• — conical metal spring with a PTFE gasket or coating;
• — metal cap or disc with PTFE gasket or coating;
• — copper gasket, with or without a PTFE coating.

Sprinklers in accordance with this document are only used in automatic sprinkler systems for domestic and residential applications as defined in EN 16925.