Cylindrical shaped hydraulic ball check valve, has cylindrical ribbed sleeve fitted in bore of body and including cannon from which channels separated by grooves are projected, and ball guided by channels and moved between channels

摘要

The valve has a body (1) pierced with an axial bore, and a seat arranged in a fluid inlet pipe for receiving a ball. A cylindrical ribbed sleeve is fitted in the bore, and has axial cannon from which longitudinal channels separated by grooves (10) are projected, where the sleeve is made of non-ferrous metal or plastic material. The ball is guided by the channels and moved between the channels. A spring is supported between the ball and a retaining washer inside the sleeve.