When safety counts

Your partner for safety and protection

Bieler+Lang is your partner for industrial safety systems.

There are many areas where there is a risk of dangerous or explosive gases and vapors. We help you protect people, the environment, equipment and property against serious and costly damage. Our products have been providing reliable early warning of gas accidents and explosions for over 40 years.

Bieler+Lang is the name you can trust.


The first choice for planning, construction and service

Project planning

The complete service

We offer a complete service from planning to installation. Expert advice is available from our sales and service teams.


System assembly

Individual gas warning systems

From small housings to free-standing cabinets, we will build an individual, made-to-measure gas warning system to match your requirements.


Service & repairs

Caring for your system

We offer made-to-measure maintenance contracts so you can be sure your system will always offer the high availability you need.