FESTO DFSP-40-20-F-PA is a pneumatic stopper cylinder designed to provide a controlled end-of-travel stop in automation systems. It uses compressed air to extend a stopper that engages a moving part, delivering a repeatable stop and consistent positioning without relying on mechanical springs. The unit is identified by model DFSP-40-20-F-PA and internal reference #336351, and it sits within FESTO's DFSP stopper cylinder family for compact, line-mounted applications.
