The pressure release valve is fixed on one end of the bulb and is connected so that you can pump and operate the valve with the same hand. The valve should be closed when pumping air into the cuff. The release valve is a needle valve. It has a knob attached to it which is screwed onto the housing. There is a small air release hole (vent) in the valve housing that will be closed by the needle when the knob is turned fully clockwise.
indal Medical & Scientific Instruments Company (Pvt.) Ltd. is one of the leading Indian Medical Export Company established in the year 2001 and has since been engaged in the export of Medical equipments, Surgical Instruments, Hospital equipments, Laboratory equipments, Scientific & Educational products worldwide.