Frost-proof drain fitting

摘要

The fitting has a valve housing (10) provided with a valve seat (26), an outlet housing (30) and an intermediate spindle (50). The intermediate spindle is formed in an intermediate tube (80) so as to connect outlet housing with the valve housing. The intermediate spindle and/or the intermediate tube are formed of plastic. The wall thickness of the intermediate spindle is small in relation to the wall thickness of the intermediate tube.