Collar for attachment of branch pipe onto a water main has support strap for fitting of secondary pipe which can accommodate wide range of diameters

摘要

The attachment collar for the connection of a secondary pipe to a main pipe carrying a fluid under pressure, consists of a branch (1) and support strap (2). These two elements surround, in a mounted state, the main pipe. The support consists of an indented (23) strap (21) to cooperate with a ratchet (11) integral with the branch piece (1).