VALVOLA DI SCARICO RAPIDO PROVVISTA DI OTTURATORE A PISTONE CON GUIDA INTERNA

摘要

A dump valve having a valve body provided with a closure piston plug for alternately closing a compressed gas feed aperture in a valve cover and a dump aperture connected to a user structure, the valve body also having a third aperture communicating with a compressed gas storage tank. Mainly to avoid gripping, the closure piston plug has the form of a hollow cylinder open at one end and slidably engaging a cylindrical guide member forming part of the valve cover and extending axially within the valve body.