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Title: Pressure Regulation And Flow Control With Expansible Tube-Type Valves
Author: Don Allen
Source: 1975 International School of Hydrocarbon Measurement
Year Published: 1975
Abstract: The Grove Flexflo is a valve of unique design. The operating member is an expansible tube. This tube is slipped over a cylindrical metal core having a series of longitudinal slots at each end, with a separating barrier between. Action of the expansible tube is determined by control of the differential pressure across it. In its operation, the Flexflo valve resembles a diaphragm motor valve with the expansible tube acting as both diaphragm and inner valve. The tube is made from a Grove formulated synthetic elastomer especially compounded to assurea high degree of tear and abrasion resistance, flexibility, and strength.

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