Isolation valve branches with respect to a main artery. (Machine-translation by Google Translate, not legally binding)

摘要

Branching isolation valve with respect to a main artery, characterized in that it comprises an outer tubular casing with a square section, inside which a closing gate operates which, in a passive position, juxtaposes to the wall of said casing leaving the passage completely free from valvule. (Machine-translation by Google Translate, not legally binding)