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BetrSichV 3

Eugen Seitz AG

Eugen Seitz AG

Spitalstrasse 204
8623 Wetzikon / SCHWEIZ

Products / Applications Certificates

Our Swiss Origin
Eugen Seitz AG is an independent, family-owned company with more than 50 years of history. Since 1958, we have been developing, producing and distributing premium valve technology all over the world for the technically demanding solenoid valve market from our head office in Wetzikon, Switzerland.

The focus of our activities is concentrating on solutions for gaseous medias in the middle- and high pressure application – 16 to 1050 bar.

Alternative Fuel Systems
Eugen Seitz AG is active in many different market segments, for CNG- and H2 applications since more than 20 years. With vast experience from the pioneering days of alternative fuels, we have extensive expertise. As a strong partner, we work in collaboration with you to develop future-oriented solutions for modern fuelling and other alternative energy applications up to 1,000 bar.

In addition to the series ProValve for compressed natural gas (CNG) and HyValve for hydrogen, we also develop individual solutions.

Our expertise is particularly evident in our specialist field of custom- made solutions. All valves are supplied with instructions for operation and maintenance as well as declarations of conformity (PED and ATEX).

The 700 bar technology has reached SEITZ as well. New valve generations for H2 applications with max. pressure of 1050 bar are under development.


Telephone: +41 44 93180-80

Products / Applications

Our solenoid valves are compliant with the Pressure Equipment Directive (PED 97/23/EC) and the explosion protection directive (ATEX 94/9/EC)

Our solenoid valves are compliant with the Pressure Equipment Directive (PED 97/23/EC) and the explosion protection directive (ATEX 94/9/EC)

Our technology:

  • Optimal flow rate
  • Operates in all mounting positions
  • Sturdy construction
  • Longer maintenance intervals
  • Optimal cost-effectiveness
  • Reliable valve technology
Your benefits:

  • Faster fuelling
  • Flexibility in mounting positions
  • Longer lifespan
  • Higher economic efficiency
  • Lower operating and installation costs
  • Maximum safety



Quality Managementsystem ISO 9001:2008

Environmental Managementsystem ISO 14001:2004

Pressure Equipment DirectivePED 97/23/EC – Modul H

Explosion Protection Directive 94-9-EG Annex IV

Maschinenrichtlinie 2006/42/EG

AD 2000 Regelwerk

NEPSI certificate CHINA

REACH-Verordnung (EG-Nr. 1907/2006)

Chemikaliengesetz (813.1)

Technische Verordnung über Abfälle (814.600)

Gewässerschutzgesetz (814.20)

Umweltschutzgesetz (814.01)

Schweizerische RL EKAS 6508

Arbeitsgesetz (822.11) Schweiz

Zulassung Russland

Zulassung Ukraine