Maximum Safety in Fractions of a Second – Certified According to EN 161
Maximum Safety in Fractions of a Second – Certified According to EN 161
When handling combustible process gases, every second counts in the event of an emergency – especially during safety-related shut-off procedures. Our Safety Shut-Off Valves comply with the requirements of EN 161 and close in less than one second (Class A). This ensures that the gas supply is reliably interrupted in the event of a fault, effectively protecting both personnel and industrial plants.
What does EN 161 mean?
The European standard EN 161 specifies stringent requirements for automatic shut-off valves regarding safety, functionality, and design. For demanding industrial applications, this includes:
- Designed to meet the highest safety classification, Class A, with a closing time of less than one second
- Type-tested complete assembly consisting of the valve and pneumatic actuator
- High operational reliability and dependable shut-off performance, even under demanding operating conditions
Which media is this particularly important for?
When handling combustible process gases, fast and reliable shut-off is essential to minimize risks and protect personnel, equipment, and production processes. Our Safety Shut-Off Valves are suitable for a wide range of media, including:
- Natural gas
- Coke oven gas
- Blast furnace gas
- Converter gas
- Biogas
- And other combustible process gases
Our solutions also provide reliable shut-off performance in oxygen applications, where the highest standards for materials, tightness, and operational safety are required.
Your Benefits at a Glance
- Extremely fast response times in safety-critical situations
- Reliable protection for personnel, equipment, and production processes
- Compliance with relevant industrial and safety standards
- Increased plant availability through minimized downtime risks
- Suitable for a wide range of industrial gas applications
With EN 161-certified Safety Shut-Off Valves, you establish the foundation for a reliable safety concept in industrial gas systems – delivering high performance, full compliance with industry standards, and maximum operational safety.
Safety-Butterfly valve PWA-23S
Safety-Butterfly valve, one piece body, centric disc/WAFER-type, resilient seated (soft seated), for gas burners and gas applications acc. to EN 161:2024-02 suitable for Coke Gas (COG), Converter gas, Blast Furnace Gas (BFG), natural gas and mixed gases

Safety-Butterfly valve PLA-24S
Safety-Butterfly valve, one piece body, centric disc/LUG-type, resilient seated (soft seated), for gas burners and gas applications acc. to EN 161:2024-02 suitable for Coke Gas (COG), Converter gas, Blast Furnace Gas (BFG), natural gas and mixed gases
