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Title: The Proper Installation Of Synthetic Diaphragms In Meters And Regulators
Author: E. C. Hemes
Source: 1964 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1964
Abstract: Synthetic diaphragms for gas meters have been commercially available since 1938 when the first Vulcan diaphragms were initially presented to the gas industry. Eight years of field trials followed, involving numerous changes in compounds and base fabrics, in 1946, Vulcan settled on a Thikol/ Neoprene combination and, thereafter, the acceptance of the synthetic diaphragm made rapid progress until they came into practically universal use several years ago. Synthetics for regulator diaphragms were introduced at about the same time but made more rapid progress because they involve less stringent requirements such as proof holding characteristics.

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