Pressure relief valve for anesthetic administration

摘要: A "pop-off" valve which is inserted in the patient anesthesia circle controllably relieves pressure build up into a vacuum exhaust system. vertically disposed housing has lower chamber accessing circle, and an interconnected upper connected to exhaust. In nylon ball frustoconical cavity provides predetermined back whether opened or seated. characterized plug screw engagement with mates formed opening between two cavities, facility close occlude flow by amount.