Vacuum Chamber Positive Pressure Kit Holliston, MA. Abbess Instruments, a global provider of quality, vacuum systems with optional easy-to-use process control and data logging, offers a Positive Pressure Kit for use in a variety of applications. Positive Pressure Kit Converts a vacuum chamber to handle slight positive pressure. Although Abbess chambers are NOT designed as pressure vessels, with the addition (by Abbess) of a ...
Brad R. Dorval BELLINGHAM- Brad R. Dorval, 51, of Bellingham, MA passed away on Saturday, May 5, 2012 at Landmark Medical Center. Born on August 30, 1960, he was the son of Robert L. Dorval of Greenville, RI and the late Doris I. (Auclair) Dorval.