NPT pipe threads
NPT pipe threads
(OP)
I am looking for a torque spec for sealing 1\2" Npt threads.
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RE: NPT pipe threads
One major caution that they mention is that a joint that is made-up too quickly will generate a lot of heat due to friction. A joint that is pressure tight immediately after assembly may leak once it has cooled...
Hope that helps.
RE: NPT pipe threads
2" and below 3 turns past hand tight
2-1/2" and above 2 turns past hand tight.