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Title: Whats New At Sprague
Author: H. L. Dehart
Source: 1979 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1979
Abstract: The Reg-U-Liner control valve is of the flexible element type. However, it has unique construction and operational features not found in other valves of this category. The main valve consists of only two parts a one-piece stainless steel body and an elastomeric liner. The valve is designed to mount between standard (ANSI 150 & 300 lb.) pipe flanges as a wafer-type valve structurally equivalent to a thick gasket. The outer periphery of the valve body is fluted to provide clearance for the 150 lb. flange bolt pattern and centers within the 300 lb. flange bolt pattern.