Satish Lele

Pump / Compressor Piping
  • Reciprocating Compressor Piping: Locate reciprocating compressors in such a position, so that suction and discharge lines that are subject to mechanical and acoustical vibration may be routed at grade and held down at points established by a stress and analog study of the system. Accessibility and maintenance for large lifts such as cylinder, motor rotor, and piston removal should be by mobile equipment if the installation is outdoors or by traveling overhead crane if the installation is indoors or covered. Horizontal, straight line, reciprocating compressors should have access to cylinder valves. Access should be from grade or platform if required. Depending on unit size and installation height, horizontal-opposed and gas engine driven reciprocating compressors may require full platform at the operating level.
  • Centrifugal Compressor Piping: Locate centrifugal compressor as close as possible to the suction source. Top suction and discharge lines should either be routed to provide clearance for overhead maintenance requirements, or should be made up with removable spool pieces. Support piping so as to minimize dead load on compressor nozzles. The load should be within the recommended allowance of the compressor manufacturer. Centrifugal compressors should have full platform at operating level. Heavy parts such as upper or inner casing and rotor should be accessible to mobile equipment. Review the equipment arrangement for access and operation. Locate lube and seal oil consoles adjacent to and as close as possible to the compressor. Oil return lines from the compressor and driver should have a minimum slope of half inch per foot to the inlet connection of seal traps, degassing tanks, and oil reservoir. Pipe the reservoir, compressor bearing, and seal oil vents to a safe location at least 6 feet above operator head level.

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