Device for regulating the return speed of the beer flowing back from the rising pipe into the barrel

摘要

265,564. Boskothen - - Patent - Bierarmaturen Ges., (Asignees of Roskothen, K.). Feb. 8, 1926, [Convention date]. Direct air pressure apparatus.-In beer-raising apparatus, the by-pass pipe b for equalizing the pressures in the cask and the delivery pipe h so that the beer in the pipe h may return to the cask, is provided with an adjustable throttle c, which may comprise a screw-down valve e enclosed by a cap f and packing washer g.