A self-sealing pressure test joint
A self-sealing and pressure testing technology, applied in the direction of pipe/pipe joint/fitting, sleeve/socket connection, using liquid/vacuum degree for liquid tightness measurement, etc., it can solve the problem of pressure test joint or pipe damage, pipe bending and sealing parts damage etc.
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[0027] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] Such as figure 1 As shown, a self-sealing pressure test joint includes a sleeve 3, the bottom of the sleeve 3 is provided with a through hole 8, the sealing gasket 2 is arranged on the inner side of the bottom of the sleeve 3, and the inner side of the sleeve 3 A sleeve internal thread 5 is provided, and a terminal external thread 11 is provided on the outside of the terminal 1, and the sleeve 3 and the terminal 1 are connected through the sleeve internal thread 5 and the terminal external thread 11, so One end of the end head 1 is connected to the sealing gasket 2, the diameter of the through pipe hole 8 is larger than the opening of the sealing gasket 2, and it also includes a clamping centering device 4, and the outer side of the bottom of the sleeve 3 passes through the external thread 9 of the sleeve. Connect with clamping centering device 4.
[0029] T...
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