prSSH EN 17450-3:2025

Fixed firefighting systems - Components for water mist systems - Part 3: Requirements and test methods for check valves

General information

Current stage: 40.20 Effective date: Feb 9, 2026

Next stage: 40.60 Next stage date: May 11, 2026

Originator: DPS

Owner: DPS/KT 114

Type: European Norm

ICS: 13.220.20

Scope

This document specifies the requirements and describes the test methods for check valves for water mist firefighting systems.
Check valves allow the passage in the direction of flow and they prevent flow in the reverse direction.
This document is applicable to check valves installed in the pipework of water mist firefighting systems.

Life cycle

NOW

IN_DEVELOPMENT
prSSH EN 17450-3:2025
40.20 DIS ballot initiated: 12 weeks
Feb 9, 2026

Related project

Adopted from EN 17450-3:2025 IDENTICAL

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