- Extraction systems
- Extraction systems-Filter systems
- Workplace extraction
- Mobile suction units
- Suction arms
- Injector cleaning system
- Oil and emulsion mist separator
- Extraction system service
- Carefree with a service contract
- Dust analysis
- Complete plant construction
- Hall extraction (push-pull)
- Sustainability
- Energy efficiency
- Air pollution control
- Spare parts and accessories
- Filter elements
- Screw conveyors
- Pendulum flaps
- Sensors and monitoring
- Fans
- Rotary valve
- Fire protection and explosion protection
- Fire alarm system
- Spark extinguishing system
- ATEX
- Precoating system
- Pre-separator
- Spark pre-separator
- Cyclone pre-separator
- References extraction systems
- Industry solutions
- Aesthetics + Cosmetics
- Electronics
- Colors
- Plastic
- Food
- Mechanical and plant engineering
- Medical technology
- Metal industry
- Pharma + Chemistry
- Stones + Earth
- Watch industry
- Industrial steel construction
- Plant platforms-machine staircases-industrial equipment
- Container construction
- CE conformity and load tests
- Chassis and vehicle frames
- Lifting equipment and heavy-duty transport racks
- Impeller and fan welding
- Machine frames and housings
- Metal filter by L+M AG
- Modular construction + industrial ventilation
- Special machinery and equipment
- Steel components
- Industry solutions
- Energy + Environment
- Mechanical and plant engineering
- Stones + earth
- Services
- Competencies/Service
- Engineering + Construction
- Project management
- Contract manufacturing
- Contract welding
- Production + Manufacturing
- Component assembly
- Mechanical and plant engineering
- Logistics
- Inspection + service
- Quality management
- Residual dust measurements
- Training courses
- References
- The company
Industrial steel constructionImpeller and fan welding
L+M AG is your expert for high-quality welding solutions, especially for impeller and fan welding. In our modern world, impellers and fans are indispensable components in a wide range of industrial applications. They play a crucial role in energy transfer, ventilation and many other processes.
Certified welding for the highest standards
Our welding experts are tested and certified, which means that we meet the highest quality standards. Regardless of whether mild steel, stainless steel or exotic materials are involved, we guarantee precise execution and the highest quality.

Optimum design and construction for maximum performance
The layout, design and construction of impellers and fans are decisive for their efficiency and service life. Impeller and fan welding needs to be learned!
Our design engineers understand the complexity of these systems and develop customized solutions that are tailored to your specific requirements. We maximize the performance and reliability of your systems through innovative designs.
Comprehensive testing for absolute safety
Safety is our top priority. Before our welding products leave your factory, they undergo strict quality controls and tests. We ensure that every welded joint meets the highest standards and can withstand the extreme conditions to which they may be exposed.

Excellent quality you can rely on
At L+M AG, we pride ourselves on offering high-quality welding services based on quality, precision and reliability. Our experts are not only specialists in their field, but also passionate about delivering first-class results.

Successful implementations
Your contact persons
Do you need advice or do you have a project?
Gregor Staubli
Sales | Management
Sales Manager | Member of the management
Marcel Zehnder
Sales | Management
Special projects | CEO
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