Three screw pump precautions 1, three screw pump suction. Exhaust pipe diameter not less than the pump into. Export diameter. Inlet pipe for short and reduce unnecessary losses (such as elbows, the pump installation height should ensure that the pump work When not exceeding the allowable suction height of the vacuum) 2, the pipe should be pipe rack, the pump is not allowed to withstand the load of the pipeline 3, before installation on the suction pipe to be cleaned, especially the suction pipe suction Slag must be completely removed, so as not to enter the pump after the killing. 4, the pump into. Exit to connect the vacuum and pressure gauge in order to observe the working state of the pump 5, suction pipe should be installed filters, the filter is 40-80 Head, the effective filtration area should be greater than the pump inlet diameter 20-30 times .. 6, if more than two pumps in parallel in the same pipeline, the pump outlet must be installed check valve to ensure the normal operation of the pump. The unit is placed on the foundation of buried anchor bolts, after finding the correct tighten the anchor bolts. 8, the installation of the pump should be spacious and convenient for maintenance .9, connected to the pipeline and determine the motor steering coupling, Axis tolerance of coaxiality outside the cylinder 0.1mm, two coupling end gap tolerance 2mm , 3-4 hours after the unit is running for the final inspection, if there is no bad phenomenon, then that the installation is qualified. 11, Import and export pipeline connected with the pump, flange must be clean, non-impure.
Round Paint Brush is with blunt and soft tips. Usually the brush hair is filled in round-shaped ferrule. Sizes, measured by the diameter of the bristle head, range from around 20mm to 50mm. It is best used for chalk paint, wax and car wash. Wooden or plastic handle are available for you to choose. It is perfect for decorative painting.
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