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Pressure Relieving Pipe Plug

Pressure Relieving Pipe Plug

Pressure Relieving Pipe Plug

(OP)
Some years ago, I saw a line of NPT pipe plugs and caps that had the ability to indicate stored pressure (via a small leak or hiss), before the plug or cap was fully disengaged. Sort of like the cap on a carbonated beverage bottle. As I remember, the plug had a groove machined on the face (small end). If pressure is detected, the mechanic simply retightens the plug.

I have a potential application for such a plug, but have misplaced the mfrs literature.

Any help in tracking down the source or manufacturer would be greatly appreciated.

donf

RE: Pressure Relieving Pipe Plug

I know that BP used these at their Carson City refinery. Give McJunkin Redman a call, they may have supplied these to ARCO & BP.

RE: Pressure Relieving Pipe Plug

(OP)
CRG,

Thanks for the lead - a star for your effort.

I did find a handful of these plugs at a McJunkin Redman warehouse in Houston. Unfortunately, have yet to track them back to the original source. So, I'm still looking.....

Thanks again,

donf

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