A vacuum-protected flange connection
A technology for vacuum protection and connectors, which is applied in the direction of flange connections, pipes/pipe joints/fittings, passing components, etc. It can solve problems such as production environment damage, corrosion of flange joints, and enterprise shutdown and production shutdown, so as to slow down the electrochemical process. Corrosion, the effect of high connection fastness
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[0020] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0021] Such as figure 1 and figure 2 As shown, a vacuum-protected flange connection in this embodiment includes an upper flange 1 , a lower flange 2 , a sealing ring 3 , a connecting block 4 and a protective device 5 .
[0022] The upper flange 1 is provided with annular No. 1 upper flange 11 and No. 2 upper flange 12; the No. 1 upper flange 11 is provided with six bolt through holes, and the No. 1 upper flange 11 is provided with a No. 1 external thread 13; the No. 2 upper flange 12 is located above the No. 1 upper flange 11;
[0023] The lower flange 2 is provided with annular No. 1 lower flange 21 and No. 2 lower flange 22; the No. 1 lower flange 21 is provided with six bolt through holes, and the No. 1 lower flange 21 is provided with a No...
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