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Title: Fundamental Principles Of Pressure Regulation
Author: Lyle E. Eige
Source: 1939 Appalachian Gas Measurement Short Course
Year Published: 1939
Abstract: Automatic controllers or regulators, to those possibly not closely in touch with the subject, occasionally present the thought that a pressure regulator is a rather complicated piece of mechanism. On the contrary, all pressure regulators are a common adaption of simple mechanics, wherein we utilize the force developed by the pressure acting on a flexible diaphragm, to operate various types of regulators and valve structures, and thus control the pressure. A pressure regulator can well be likened to a balance scale or the common seesaw in its fundamental principle of operation. In the seesaw we have balance forces on either side of the fulcrum in a pressure regulator we also find that we merely balance opposing forces.

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