When safety counts!
Gas detection & warning systems
Bieler+Lang is your competent partner
for safety technology and work safety.
In many areas, the occurrence of harmful or explosive gases and vapors is to be expected.
We help you to protect people, the environment, technical equipment and property from serious damage. For over 50 years, our products have been providing timely and reliable warning of gas accidents and explosions.
Therefore, trust in Bieler+Lang!
Products
Gas detection & warning systems
Explosive & flammable gases
Toxic gases, CO² 
Refrigerant
Mobility & Parking
Biogas
Building servicesServices
Everything from one source
Project planning
Everything from one source
We take care of everything for you, from project planning to installation of your new gas detection system. Sales and service are there to provide you with expert support.
Engineering
Individual gas detection systems
From small enclosures to floor-standing cabinets, we custom-manufacture your individual gas detection system.
Maintenance & Repair
Provision for your investment
Conclude a specific maintenance contract with us.
This way, you can be sure that your gas detection system will have the desired high availability.
Service
Safety must be maintained
Service
Maintenance &
Maintenance contracts
NEWSLETTER
Stay up to date.
Bieler+Lang is at gat | wat 2023 – The leading event for the energy and water industry
Security of supply, climate protection and resilience are the dominant topics in the energy and water industry.
We will be there for you at gat | wat from 6-7 September 2023 in Cologne. Please feel free to visit us in hall 7 booth E45.
We look forward to welcoming you in person at the trade fair.