GLS Tanks
About GLS Tanks – European manufacturer of glass-lined steel tanks
GLS Tanks International GmbH is a European company headquartered in Heidenreichstein, Austria. The company is a world-leading producer of glass-lined steel tanks for use in:
- Biogas
- Wastewater treatment
- Drinking water storage
- Sludge handling
- Industrial processes
With over 30 years of experience, GLS Tanks offers complete solutions – from design and manufacturing to delivery and installation. Their tanks are known for high chemical resistance, fast installation and almost maintenance-free operation, making them ideal for demanding environments such as anaerobic digsters and biogas plants.
Technical expertise
GLS uses the powder-electrostatic enameling method (PUESTA) in tank production. This technique ensures an even and durable glass coating that protects steel from corrosion and chemical exposure.
Certified quality
The company is certified according to several international standards, including:
- ISO 9001:2008 – quality management
- EN ISO 28765 – specification for glass-lined tanks
- EN 1090 – requirements for steel structures
- EEA certification from the European Enamel Authority
GLS Tanks exports over 95% of its production worldwide and is a reliable partner for municipal, industrial and agricultural projects.
Customizable equipment for GLS Tanks
GLS Tanks offer flexibility in design and functionality, making them ideal for use in biogas plants, industrial facilities and waterworks. Tanks can be equipped with components that enhance both process control and energy efficiency.
Additional equipment options:
- Manholes and inspection glasses for easy access and visual monitoring
- Roof-mounted safety valves for pressure equalization
- Integrated heating systems for temperature control in digesters
With these options, GLS tanks can be tailored to meet specific requirements in both small-scale and industrial biogas plants.
