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

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prEN 17166

Fans - Procedures and methods to determine the energy efficiency for the electrical input power range of 125 W up to 500 kW

Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Characteristics for check valves and non-return valves; German and English version prEN 12094-13:2022

Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Characteristics for check valves and non-return valves

Explosion isolation flap valves

Measuring relays and protection equipment - Part 132: Functional requirements for directional power protection

Explosion isolation flap valves

Optical fibre cables - Part 1-124: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Installation test for microduct cabling, Method E24 (IEC 86A/2434/CDV:2024); German and English version prEN IEC 60794-1-124:2024

Technical product documentation - Digital product definition data practices (ISO 16792:2021); Text in German and English

Safety of packaging machines - Part 6: Pallet wrapping machines

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