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Title: Fundamentals Of Pressure Regulators
Author: Rick F. Mooney
Source: 1999 American School of Gas Measurement Technology
Year Published: 1999
Abstract: A Pressure Regulator is a device that controls the flow of gas from a higher pressure system to a lower pressure system while attempting to maintain a constant system pressure. Pressure regulators are used throughout the gas industry to control the many different pressures used to move gas from production wells to the point of use in home and industry. The two main types of regulators used in the gas industry are pressure reducing regulators which control the flow of gas to maintain downstream pressure, and back pressure (relief) regulators which control upstream pressure. Both types of regulators are also used as over pressure protection devices as monitor regulators and relief valves to prevent the system at the lower pressure from being over-pressured. These types of regulator are available in two designs: Self Operated and Pilot Operated. A good understanding of each type and design is necessary to oversee the operation, maintain, or trouble-shoot these devices.




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