Sorry if this sounds silly, but how does a servo motor actually work? I've seen them used in hundreds of applications but I don't know how they actually work. Again, sorry if it is a dumb question.
Has anyone seen a pig used for pressurising a pipeline or regulating pressure in conjuction with a PD pump?
I am looking at an application in which I would use a pig to pressurize my product line as is supplies product to a liquid filling machine. This system would be used to replace a normal...
