Pig trapslauncherreceiver pipeline inspection gauges or pigs are tools used in the pipeline industry to perform pipeline internal cleaning, inspection, coating or separating batches of different fluids. Pdf joiner allows you to merge multiple pdf documents and images into a single pdf file, free of charge. A welding end hub, for joining to the major barrel of a pig trap. Install the pig with the nose firmly in contact with the reducer between the barrel and the nominal bore section of the launcher. Typical configurations of pig launchers and receivers for gas service are depicted in figs. Receiver and pig launcherreceiver for petrobras offshore facilities. The pig launchers and receivers are used for cleaning piping systems. The designing of the intelligentpig launcher and receiver will start right after the. Figure 6 shows this occurring when the pig launching sequencing is incorrect.
They are generally funnel, yshaped sections of the pipe which can be pressurized or depressurized and then safely opened to insert or remove pigs. Multidiameter pigging this paper will consider the process involved in pigging tool. These pig launchers were manufactured from carbon steel. Pig launcher and receiver specification rev 3 pipe fluid. Pig launcher and pig receiver shall be equipped with an interlock system to. Pig launcher and receiver specification rev 3 free download as pdf file. Syschem controls products offers a range of standard and custom designed engineered products for all fluid handling industries. In simplest terms the pig launchers and pig receivers are the sections of the pipeline which allow the pig to enter and exit the pipeline. The joining of lines within a field to a main transmission line to a central. In natural gas systems, open the vent and vent the launcher to atmospheric pressure. Pig launchers and receivers are critical to midstream. Printed circuit heat exchangers can be used for gas and condensate cooling and. In addition, the pig launchers and receivers were designed for pressures of 512 psig at 100f.
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