Sealed first fixed slot of water conservancy pressure test machine

The utility model discloses a sealed first fixed slot of water conservancy pressure test machine relates to the sealed first fixed technical field of downhole tool water conservancy pressure test machine. Including the draw -in groove body, this internal cavity (1) that holds sealed head (four to six -tenehs) that is equipped with of draw -in groove, the one end of draw -in groove body is opened has air vent hole (3), inlet opening (4) and the pressurization hole (5) of running through the draw -in groove wall, and air vent hole (3), inlet opening (4) and the pressurization exit position of hole (5) on the draw -in groove wall with seal up corresponding hole site on first (four to six -tenehs) and put and align. The utility model discloses it is fixed on pressure test machine to be applicable to the sealed head of various specifications, and the commonality is strong, and sealed effectual.