About this document

Piggable Bypass Operation Guide by blahs is a document available to read on EtoBox.

A piggable bypass allows pigs to be run through a pipeline without taking a compressor station offline. It uses a bypass piping system and automated block valves controlled by a PLC to direct pigs around the station. The bypass must be sized appropriately for the mainline and include slug catchers. A reducing tee on the bypass inlet and straight tee on the outlet help prevent pigs from getting stuck. The valve sequence is carefully controlled to avoid starving the compressor or causing high discharge pressu

Author

blahs

Language

EN