Ernst Industrietechnik GmbHSealing technology from engineering to installation

Specialists for sophisticated sealing technology


Our team develops solutions for static and quasi-static sealing systems – from flanges and valves to heat exchangers and steam boilers.


As a problem-solver and partner for small-batch production, we stand for precision over mass production. This is how we contribute every day to making industrial plants safer and more efficient.


Together for quality and reliability


Our work thrives on long-term partnerships with manufacturers, suppliers, and service providers. Together, we develop solutions that reliably meet technical requirements – from design through production to installation.




A heartfelt thank you goes to all partners who make this broad range of services possible.

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Service overview

Engineering services From analysis to strength and leak proofs to technical documentation – engineering from a single source.

Static sealing systems Complete sealing systems for demanding applications – reliable, temperature- and pressure-resistant.

Mechanical seals Sealing solutions for rotating shafts and demanding media – individually manufactured.

Leakage emergency sealing Fast sealing during operation or shutdown with reusable systems up to 750 °C.

Industrial service maintenance, repair and technical support by experienced service teams directly on site.

  • Complete conversion of sealing connections
  • Problem solving, engineering
  • Preliminary inspection documents for TÜV or similar
  • Material delivery
  • Sealing surface evaluation and processing
  • Installation, presence during pressure test
  • Complete documentation
  • Optimization of problematic sealed joints
  • Tube bundle and plate heat exchangers
  • High-pressure steam boilers
  • Air coolers
  • RTJ joints
  • Standard flange joints
  • Spindle bushings
  • Special seals for valves, steam boilers and heat exchangers
  • Flange seals
  • Gland packings
  • Manhole seals
  • Engineering and calculation services
  • Strength and leak proofs
  • Damage analyses
  • Preparation of preliminary inspection documents
  • Complete documentation
  • Development of pipe classes
  • Industrial services
  • Opening and closing flange connections
  • Sealing surface evaluations
  • Spindle seals in tank farms on site
  • Pump conversions in tank farms on site
  • Spare parts program
  • Packings and seals
  • Repair and new production of wear parts
  • Fasteners
  • Spring systems
  • Technical Publications Here we publish brief descriptions of technical publications on seals, sealing solutions, industrial applications, and more. Each associated document can be downloaded directly or requested via a contact form.

    Our complete service overview is available here as a PDF download.

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