Uses and production requirements of PPH pipes Specification for PPH Pipe Execute HG 20539-92. Use the glass fiber modified polypropylene material treated with coupling agent to produce, generally used for the transporta...
FRPP pipeline installation process FRPP pipeline measurement, marking and positioning: According to the actual situation of the site, draw the installation direction of the PP pipeline at the construction site according ...
Generally, there is a large fluctuation in the outlet pressure of the FRPP pipe extruder, which will affect the dimensional accuracy of the FRPP pipe. If we install a melt pump between the outlet of the extruder and the ...
Under normal circumstances, if it is not tightly closed, first confirm whether the valve is closed in place. If it has been closed in place, there is still leakage and cannot be sealed, then check the sealing surface. Th...
There are generally two types of valves that seem to take center stage in the industrial industry, those two valves are the butterfly valve and the ball valve. While they look completely different to each other, they bot...
For the valve in operation, various valve internals should be complete and intact. The bolts on the flange and the bracket are indispensable, the threads should be intact, and no loosening is allowed. If the tightening n...