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@ dcasto: "dividing the max working pressure by 4". From where was this constant "4" derived from? Thanks for the info.

Hello guys, the junction I was referring to is the first riser (downstream of the launcher) with other pipeline that ties into it. We were finally able to retrieve the pig by equalizing both pressures upstream and downstream of the pig. Then, we injected methanol in both sides of the pig...

Hello guys, I don't know for sure whether it was sent with the pig orientation in reverse. I'm just speculating right now since we can't push the pig past the first junction downstream of the launcher. I was trying to attach the picture of the pig we sent but I can't upload it on this site. The...

Hello, what would happen if a pig was put in the pig launcher backwards e.g. instead of the cone or bullet shape end inserted first it was the flat shaft that was put in first? It's a 4" rubber pig with 3 cups (or cylindrical rings in series around the shaft and about 10" long. Would it stay...

Thanks for the info. Have a great day.

Hello, would anyone be able to explain what are the variables that causes a "rod load tension/compression" to rise on a recip (process) compressor and what can you do to lower it? Thanks in advance.