According the ASME B31.4 Clause437.4.1:Hydrostatic Testing of Internal Pressure Piping:
Portion of piping system to be operated at a hoop stress of more than 20% of the specified minimum yield strength of the pipe shall be subjected at any point to a hydrostatic proof test equivalent to not...
Dear Everyone;
ASME B31.4 434.17.2 State:
Scraper traps on mainline terminations and tied into connection piping or manifoldding shall be anchored below ground with adquate concrete anchor when required and suitable supported above ground to prevent transmission of line stress due to expansion...
Recently, I am involved with a sewage pump station, which are centrigugal pump and is applied for transporting the sewage from one pond to other area.
With regard to centrifugal pump, it is well know that,the inlet pipe of centrifugal pump must be primed, in ordet to avoid the air bind and...