Technical News 10/11/2025617 overflow valve receives FM certification – systematic safety in fire protection
With the new FM certification, our 617 overflow valve meets the most stringent safety and reliability requirements – especially for use in sprinkler and fire protection systems.

We are pleased to announce that our 617 series now carries the prestigious FM (Factory Mutual Global) certification. This certification confirms that our overflow valve and control valve meet the highest international safety and quality standards – a crucial step for use in sensitive applications such as sprinkler and fire protection systems.
The valve in the 617 series is available in an angle-type or straightway form and has threaded connections that allow for easy integration into existing systems. Its robust construction from high-quality gunmetal ensures corrosion resistance and durability, even under demanding operating conditions.
Why FM certification is so important
Every component counts in fire protection systems. FM certification confirms that the product has been tested under real conditions and assessed as reliable, safe and system-compatible. In sprinkler systems in particular, overflow valves must react quickly to safely reduce pressure peaks and thus ensure the functionality of the entire system.
Our FM-certified 617 series fully meets these requirements. It ensures that the system operates stably in an emergency – a crucial factor for the protection of people, buildings and property.
Greater safety and confidence – for operators and planners
For operators and planners of fire protection systems, choosing an FM-certified overflow valve is a guarantee of quality and compliance. Certification by FM Global strengthens confidence in the operational safety of the plant and facilitates international approval of projects.
✅Conclusion:
With FM certification for the 617 series, we are sending a strong signal about quality and safety. Our overflow valve offers maximum reliability in fire protection – a real plus for planners, installers and operators of sprinkler systems worldwide.