Fundamentals Of Pressure Regulators

In the gas industry, there are two basic types of regulators used for both pressure reducing and back pressure (relief) control. The two types are:

1.) Self Operated Type
2.) Pilot Operated Type

The primary purpose of this paper is to discuss the basic principle of Self Operated and Pilot Operated Regulators including components of the system, principles of operation, advantages and disadvantages, and some maintenance and inspection procedures.