The Simplex Engineering Company manufactured a manual hydraulic filter press closer. This closer consists of a two cylinder hydraulic tandem pump direct connected to a hydraulic cylinder and ram.
Starkey Machinery Inc., a closely held corporation specializing in machinery and equipment for the ceramic industry, purchased the Simplex Engineering Company of Zanesville, Ohio.
Starkey Machinery Inc. continues to fully support the SECO line of filter press closers by manufacturing repair parts for all existing systems.