DIN EN 12845:2026-09

What is DIN EN 12845 about?

DIN EN 12845 specifies requirements for the design, installation, testing and maintenance of automatic sprinkler systems. It provides a key basis for fixed fire protection systems and supports reliable fire suppression in buildings, industrial facilities and storage areas.

What content does the standard cover?

DIN EN 12845 describes the requirements for the design, operation and monitoring of sprinkler systems and takes into account different fire risks and areas of application.

Topics covered at a glance:

• Planning and design of automatic sprinkler systems
• Fire hazard classes and risk classification
• Water supplies, pump sets and pipework systems
• Sprinkler heads, alarm valve stations and monitoring devices
• Testing, commissioning and documentation
• Servicing, maintenance and operator obligations
• Requirements for storage, industrial and special areas

Why is the standard relevant in practice?

DIN EN 12845 supports fire protection planners, installers and operators in the standards-compliant design and safe operation of sprinkler systems. The specifications for risk classification, water supply and system reliability are particularly relevant. As a result, the standard helps protect people, property and business operations.

What changes have been made compared with the previous edition?

Compared with DIN EN 12845:2020-11, the standard has been revised in numerous technical and editorial aspects. The most important changes include:

• Revision of requirements for water supplies and pump sets
• Adaptation of various specifications for the planning, design and operation of sprinkler systems
• Revision of requirements for pump controls and electrical equipment
• Update of provisions for monitoring, alarm signalling and system functions Adaptation of several annexes and technical tables
• Harmonization of terms and designations, particularly in connection with pump sets
• Editorial revision of the document

Target group

• Specialist planners for fire protection and building services engineering
• Installers of sprinkler systems
• Fire protection engineers
• Operators of industrial, logistics and commercial facilities
• Testing bodies and experts
• Authorities, insurers and safety officers

Conclusion

DIN EN 12845 is the key standard for automatic sprinkler systems. It defines requirements for planning, installation, testing and maintenance, thereby providing an important basis for reliable fire protection in buildings, industrial facilities and storage areas.

This document replaces DIN EN 12845:2020-11 .