First of all, according to the site progress in the appropriate time to enter the installation. Fix the bracket well in advance, draw a sketch according to the actual size, make the prefabricated pipe, reduce the pipe fittings on the pipe as far as possible, and weld the die. The pipe should be straightened in advance and the opening should be closed when the installation is interrupted. The design requires that the casing be added in the installation process.
The thread connection of the pipe
The processing of the pipe thread is set by the wire machine. The connection should be strong, the root is not exposed to oil and anesthesia, the root exserted thread should not be more than 2 - 3 buckles, and the thread exposure is good for anticorrosion.
Two, the flange connection of the pipe
The connection between the pipe and the valve is required to be connected with the flange. The flange can be divided into flange, flange, flange selection finished. The flange and pipe center line are vertical, and the pipe mouth is not allowed to protruding the flange seal face. The bolts of the fastening flange should be brushed before use, and the bolts should be intersected symmetrically.
Three, the internal dirt should be cleaned up before the installation of the pipe, and the waste materials such as welding slag should be strictly prevented from falling into the pipe, and the sealed pipes must be sealed for the installed pipes.
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