<<Typical Pig Launching Procedures
The operational sequence described below is for general information only. It is not intended, nor should it be used, to train pigging system operators. Operating procedures will vary from one pipeline company to another. The following pig launching procedures can be used as a guideline for developing operating procedures.
Since company policies vary regarding whether the pig launcher is left on stream or isolated from the pipeline after the pig is launched, the operator should verify that the trap is isolated from the pipeline and depressurized before commencing any part of the launch procedure.>>
<a href="http://www.girardind.com/valves-launching.htm">http://www.girardind.com/valves-launching.htm</a> Received on Thu Oct 11 22:19:00 2007
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