
Manufacturer of safety devices, coupling systems and central gas supply systems for oxy-fuel and industrial gas technology
eszet AUTOGENTECHNIK GmbH
Haan/Rhld.New on Amplifa
About eszet AUTOGENTECHNIK
Since 1957, eszet AUTOGENTECHNIK GmbH has been developing and manufacturing safety devices, quick-action couplings, ball valves, pressure regulators, central gas supply systems, gas distributors and hose lines for oxy-fuel and industrial gas technology. The products are manufactured to standards such as DIN EN ISO 5175 and EN 561 and are made predominantly of brass; every product undergoes intermediate inspections during production as well as a final end inspection. In addition to manufacturing, the company offers legally mandated inspection services, including gas system inspections, leak-tightness and strength testing of pipelines, leak detection and natural gas testing in accordance with DVGW G 614. The service portfolio also includes the planning and installation of gas supply systems in accordance with DGRL 2014/68/EU, hazard assessments with explosion protection documentation, maintenance work, as well as training and welder and brazer qualifications with TÜV Rheinland certification. The company serves more than 2,000 customers from industries such as automotive, mechanical engineering, steel processing, chemicals, aerospace, and shipyards, and supplies the world market. Headquarters and manufacturing are located in Haan/Rhineland.
- Site
- Haan/Rhld.
- Processes
- Manufacture of safety devices ( flashback arrestors/flame arrestors to DIN EN ISO 5175), Manufacture of quick-action couplings to EN 561, Gas system inspection (inspection of central gas supply, pipelines, take-off points), Leak-tightness/strength testing of pipelines (pressure recorders, gas detectors up to 10 m height), Natural gas testing in accordance with DVGW G614 (leak testing with gas detectors, leak rate, Leak detection on pipelines (gas detector, ultrasonic camera), Hazard assessment and preparation of explosion protection documents (Ex documents pursuant to §6, Planning and installation of gas supply systems in accordance with DGRL 2014/68/EU including
- Materials
- Brass (with lead >0.1% as an alloying element), Brass
- Founded
- 1957
- Industries
- Automotive industry, Steel producers, Steel processors, Mechanical engineering, Aerospace technology, Shipyards
- 01
Engineering and product development
- 02
Manufacturing from brass
- 03
Intermediate inspections during production
- 04
Final inspection
- 05
Assembly and marking
- 06
Sales and worldwide delivery
- 07
Gas system inspection and maintenance at the customer's site
Materials and Processes
Brass
Main material for safety devices, couplings and gas connections; contains lead as an alloying element in proportions above 0.1%.
Locations

Haan/Rhld.
DEHeadquarters, manufacturing and administration
- Materials
- Brass
Products and Components


Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of safety devices ( flashback arrestors/flame arrestors to DIN EN ISO 5175)Engineering | – | – | – | – | Brass |
| Manufacture of quick-action couplings to EN 561Engineering | – | – | – | – | Brass |
| Gas system inspection (inspection of central gas supply, pipelines, take-off points)Testing | – | – | – | – | – |
| Leak-tightness/strength testing of pipelines (pressure recorders, gas detectors up to 10 m height)Testing | – | – | – | – | – |
| Natural gas testing in accordance with DVGW G614 (leak testing with gas detectors, leak rateTesting | – | – | – | – | – |
| Leak detection on pipelines (gas detector, ultrasonic camera)Testing | – | – | – | – | – |
| Hazard assessment and preparation of explosion protection documents (Ex documents pursuant to §6Engineering | – | – | – | – | – |
| Planning and installation of gas supply systems in accordance with DGRL 2014/68/EU includingEngineering | – | – | – | – | – |
| Maintenance and repair work as well as pipeline construction work on gas systemsAssembly | – | – | – | – | – |
| Welder and brazer training/testing with TÜV Rheinland certification (qualification to DIN ENTesting | – | – | – | – | – |
| In-house training and instruction on the handling of technical gasesEngineering | – | – | – | – | – |
Additional services
Company History
- 1957
Founded by Ludwig Schmitz with a focus on safety devices, coupling systems and central gas supply systems for oxy-fuel technology
- 1979
Expansion of the service portfolio to include legally mandated inspection services
- 1998
Acquired by the Brückmann family; renamed eszet AUTOGENTECHNIK GmbH