ADAMS Schweiz AG has evolved from the former AMSAG company and has been manufacturing butterfly valves for the most diverse applications since 1979.Located in the beautiful village of Serneus, the company has set a specified focus in development and production of closures for hydropower next to the production of industriel valves.The company is both looking back and forward to many years of success. Quality in conjunction with optimal service and support has always been the key to our success.


Spherical Valves

Spherical valves are installed as special shut-off valves for high pressures at the end of the penstock in front of the turbine. Their main purpose is to shut-off the penstock during normal shutdown or in the case of turbine trips.

Cone Jet Valves

Cone jet valves are used in dam bottom outlets for energy dissipation. The valves feature cavitation-free operation over a wide control range and allow energy dissipation of large flows and heads with simultaneous oxygen enrichment of the water. Cone jet valves are mainly steel-welded and are actuated either hydraulically or electromechanically.

Company details

Business Type:

Industry Type:
Water and Wastewater

Market Focus:
Internationally (various countries)

Year Founded:

Office Locations:


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