
Certified. Hygienic. Pressure-Resistant.

Weiss Apparatebau is your experienced partner for the design and manufacturing of stainless steel pressure vessels for the food, pharmaceutical, and chemical industries. Whether dealing with overpressure, vacuum, or temperature stress – we deliver custom-engineered solutions with verified quality, documented manufacturing, and full traceability.
What Sets Our Pressure Vessels Apart

Our stainless steel pressure vessels stand for precise planning, hygienic processing, and certified safety. Custom-built, fully documented, and built to last – ideal for demanding processes in the food, pharmaceutical, and chemical industries.
Applications of Our Stainless Steel Pressure Vessels

Certified Safety for Critical Processes
Rely on Proven Quality
Our pressure vessels meet all requirements for documented safety and regulatory compliance – from initial planning to final delivery.
Our Certifications at a Glance:


Stainless Steel Pressure Vessels for Demanding Industries
Reliable Pressure Solutions for Your Processes
Our stainless steel pressure vessels are precisely tailored to your requirements – for safe, hygienic, and certified operations. Whether for storage, mixing, or pressurized reactions: we deliver custom tank solutions with certified quality, seamlessly integrated into your production – durable, traceable, and ready for any challenge.
Frequently Asked Questions About Stainless Steel Pressure Vessels
Practical answers – directly from our experts.
After individual project planning, manufacturing is carried out using certified welding procedures, CE documentation, and final inspection.
Every step is fully documented and traceable for audits.
A pressure vessel is a closed container designed to operate under pressure and withstand both pressure and temperature stress.
Stainless steel offers optimal hygienic and corrosion-resistant properties, making it ideal for demanding industrial applications.
Typical industries include food production, pharmaceuticals, biotechnology, chemicals, as well as research and development – anywhere hygienic and pressure-resistant solutions are required.
Certifications such as AD 2000 HP0 or PED ensure that your vessel meets all legal requirements – for maximum safety, traceability, and quality assurance.