POSITIONING DEVICE FOR PRESSURE REGULATOR

摘要

A control assembly for regulating the flow of a fluid through a fluid flow-path of a regulator, the positioning device assembly comprising a control member; a central rod adapted to be disposed through a casing of the regulator; a first spring seat defining an opening receiving the central rod, the first spring seat fixed relative to the central rod; a second spring seat defining an opening receiving the central rod, the second spring seat fixed relative to one of the regulator casing and the control member; and a spring disposed between the first and second spring seats, the spring biasing the control member into a predetermined position relative to the regulator casing.