PNEUMATIC GAUGING INSTRUMENT MECHANISM WITH A FLOW GAUGE IN PARALLEL

Compressed air is delivered through tube 1 into membrane-type pressure stabilizer 2 after which the air stream is divided into two parts: one passing through internally tapered glass indicator column 3 and the other through conical valve 4 to measuring head 5 to which air passes from column 3 as well. Depending upon clearance a between the end face of measuring head 5 and the surface of the work b…