Fixed firefighting systems - Components for sprinkler and water spray systems - Part 14: Sprinklers for residential applications

NEN-EN 12259-14:2020+A1:2022 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.