1931
C. K. Walther founds the company and the Trowal brand, derived from TROmmel (German for drum) and WALther. He starts business producing round drums for coating and deburring.
1956
With the invention of the mass finishing vibrator, Walther Trowal revolutionises surface processing. The innovation makes deburring surfaces easier, faster and cheaper.
Approx. 1960
Walther Trowal develops geometrically shaped abrasive media made from plastic and ceramic.
Approx. 1964
Development of circular vibrators with integrated screening. This addition automatically separates workpieces from the abrasive media.
1973
Production of the first continuous vibrator.
Mid 1970s
Walther Trowal introduces Europe's first centrifugal disc finishing units.
1977
Foundation of Walther Trowal Ltd. following the acquisition of ceramic abrasive media manufacturer METAREF in Stoke-on-Trent, UK.
1984
Development of drag finishing for sensitive, high-quality workpieces.
1992
Foundation of Trowal Benelux.
1993
Introduction of modern and environmentally friendly water circulation processes, with 100% recycling.
1995
Development and introduction of the THM continuous belt blasting unit.
1998
Walther Trowal produces the first coating system for industrial uses, developed from film coaters in the pharmaceutical sector.
1999
Walther Trowal acquired by US Filter group.
2003
Walther Trowal spun off by USF group as an independent company.
2008
Introduction of cutlery cleaning units for large kitchens and caterers.
2010
Construction of a new production hall and expansion at the site in Haan.
2015
Foundation of sales company under Walther Trowal Ltd. in Birmingham, UK.
2016
Foundation of Walther Trowal LLC Grand Rapids in Michigan, USA.
2017
Construction of a new distribution centre for the UK market in Stoke-on-Trent.
2020
Foundation of Walther Trowal S.A. de C.V in Mexico.
Today
Walther Trowal provides products, services, testing and individual planning for your processes. Alongside our wide range of machinery with peripheral devices, we also produce our own abrasive and polishing media, compounds, flocculants and spare parts. With over 230 staff around the world, we are one of the leading providers of surface processing technology.