Through port 1 compressed air is admitted into internal chamber d. From here it passes through a number of radial orifices into chamber b. From this chamber, the air, at reduced pressure, passes through port 2 to the system. A part of the air passes through tube 3 into chamber a. The pressure of the air bends membrane 4 upward, shifting valve member 5 and thereby changing the amount of air admitted. The stabilizer is regulated to the required pressure with screw 6 which compresses spring 7, varying the resistance of the spring to the bending of membrane 4.
$4272$CHP,Rg$