651/652 Series Regulator A high flow regulator from ASCO’s 651/652 series or air preparation equipment. Threaded ports allow this pneumatic regulator to be mounted individually or with other equipment from the 651/652 series. The 651/652 series are a modular air preparation system that is easy to install and can be easily configured to suit various compressed air applications. Features and Benefits • High flow with a wide range of adjustable output pressure ranges • Available with relieving, non-relieving and internal flow check options • Low profile gauge bar/PSI • Optional extended temperature range of -40 °C to +80 °C • Threaded ports allow for individual or modular mounting