Pipe fitting for connection to concrete pump used for pumping fluid mortar, has conveyor tube which is connected to conveying pipe, and valve opening pin is mounted at pump connecting piece of T-pipe fitting portion

摘要

The pipe fitting has a T-pipe fitting portion (1) which is provided with a pump connection piece (2), a vertical pipe (3) and a conveying pipe (4). A ball valve is arranged the pump connecting piece. A blind pipe (5) is removably connected with the vertical pipe. A conveyor tube (6) is connected to the conveying pipe. A valve opening pin (8) is mounted at the pump connecting piece. The valve opening pin is formed by a tube wall (1.2) of the T-pipe fitting portion guided from the outside into the cage (7.2) in which threaded bolt (8.1) is rotatable.