| 摘要 |
<p>The housing (2) has connections, especially pipe sockets (4,5) for connecting to a pipe. The housing is an outer housing with a conical cavity (8). The inner housing (10) contains the shut-off element (18), is detachably joined to the other housing and is positioned in the cavity. The inner housing has a seating (30) for the shut-off element, and or the mounting (26,27) for the shut-off element preferably in the form of a disc. The outer and inner housings have detachably connected flanges (12,14). The free ends (6,7) of the pipe sockets of the outer housing are detachably connectable to the pipe by welded joints.</p> |
