Company

1945

The production of the mechanical seals ROTEN started in 1945 in Milan with the company “LABORATORIO ELETTROMECCANICA DI PRECISIONE Carlo Fontanella”, founded by Mr. & Mrs Fontanella, then modified in ROTEN srl; The name ROTEN comes from the union of two abbreviated words RO = “rotate” and TEN = “sealing”. In 1945, the activity began with the production of TOMBAC metal bellows seals for refrigeration compressors.

1957

ROTEN patented its first seal, the ROTEN 2 with a self-driving spring, still produced today and sold worldwide in millions.

1970

ROTEN patented the ROTEN 3 with spring with three diameters sold worldwide in million pieces.

TODAY

Mr. Fontanella started with two employees … Today the Roten team is made up of more than 200 people. ROTEN production is carried out with CNC machines and robotized assembly systems. Our product renge shown on catalogue has more than 30 different models and with many special versions.

GROUP

ROTEN group is a group of five companies. ROTEN and AVES produce Mechanical Seals, EUROCARBO produces carbon and silicon carbide, MOLINOX manufactures stainless steel and superalloy springs, COEMI resells our products and deals with the reconditioning of Mechanical Seals of all types.