Pipe connection unit, has one pipe connection unit, aligned at end of pipe ventilation valve, with diameter, and other connection unit, extending in different axial directions opposite to one another, with different diameters

摘要

The connection unit (1) has a pipe connection unit (3), aligned at an end of a pipe ventilation valve, with a diameter (4). Another connection unit (10), extending in axial direction (5) of the unit (1), with a diameter (11), and third connection unit (12) with a diameter (13) are provided. The third connection unit extends in an axial direction (14) opposite to the axial direction (5).