Pneumatic slide valve has plastic housing in which slide is mounted in bushes with pressure chambers between them, bushes being made from plastic with same melting point as that of casing and bonded to it

摘要

Pneumatic slide valve has a plastic housing (1) in which a slide (6) is mounted in bushes (3a - 3d) with pressure chambers (4a -4c) between them, each of which contains an outlet (5a -5c). The bushes are made from a plastic with the same melting point as that of the casing and are bonded to it.