Cable/hose leadthrough with membrane valve has air channel connecting internal, external spaces passed through leadthrough while maintaining relationship between cable diameter that can be passed size of mounting bore for hose leadthrough

摘要

The cable/hose leadthrough has an air channel connecting an internal space and an external space that is passed through the cable/hose leadthrough while maintaining the conventional relationship between the cable diameter that can be passed through and the dimension of the mounting bore for the cable/hose leadthrough.