How to assemble the high pressure flange of the pipe?

November 27, 2018

First check if the high pressure pipe end thread is completed. There are burrs and threaded barbs to be repaired with triangular plaques. Check the thread inside the flange for any debris and clean it up.
How to assemble the high pressure flange of the pipe?
1 First check if the high pressure pipe end thread is completed. There are burrs and threaded barbs to be repaired with triangular plaques. Check the thread inside the flange for any debris and clean it up.
2 Apply molybdenum disulfide or grease to the threads. After the flange is screwed on, the F-wrench made of round steel or rebar can be used to rotate the flange.
3 When the flange is placed on the pipe, sometimes the screw is tight, the hand does not move the flange, and the F wrench is also very difficult. This can be used to hit the flange plane and side with a sledgehammer. If the tapping still does not move, it must be unscrewed, and the internal and external threads are too tight to be processed.
4 When the threaded flange is screwed into the pipe end, the pipe end thread should be chamfered to expose the flange plane.

5 After the flange on the pipe is assembled, the pipe mouth should be sealed with plastic cloth or broken wood to prevent the sealing surface of the pipe from being damaged。 How to assemble the high pressure flange of the pipe?

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