Insert component acting as return flow blocker has housing in at least two sections with feed channels running into chamber, and with seal between facing sides of adjacent housing sections and connected in one piece to annular membrane

摘要

The insert component (1) acting as a return flow blocker has a housing (2) inside which is movably installed a shut-off component which in the closed position seals of one or more throughflow openings (14) of feed channels (13). The housing is in at least two sections (3,4) with the feed channels running into a chamber, and a seal (5) is provided between the facing sides of the two adjacent housing sections. The seal is connected in one piece to at least one annular membrane (11) movable inside the chamber by feed medium.