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Pigging of Pipelines

Pigging of Pipelines

Pigging of Pipelines

(OP)
Dears;

Could you please explain the use of these different pigs:
a)Brush pig:
b) Gauging pig
c) Cup Pig
d) Foam Pig

Many thanks
 

RE: Pigging of Pipelines

Some of your terms arn't found in the list, so
a) Brush pig:  see cleaning pig
b) Gauging pig see listing
c) Cup Pig     often used for separating two fluids, as in batching pig
d) Foam Pig    used for semi-drying soaking up liquids, such as after a hydrotest  
 

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