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I ENP and 3 ENP different

I ENP and 3 ENP different

I ENP and 3 ENP different

(OP)
Hi,
Who is the expert aware with what's the different between 1Enp and 3ENP on trim, the pipeline operational TEAM and pressure rate will be 149C and ANSI 600.
Thanks

RE: I ENP and 3 ENP different


I guess:
1 ENP - 1 mil thick Electroless Nickel Plating
3 ENP - 3 mil thick Electroless Nickel Plating
Regards

RE: I ENP and 3 ENP different

(OP)
Thanks. blinv,
I means where I can find definition of the code which specific that should apply with 1ENP or 3ENP for higher operating temperature, typically my understanding is 3ENP gives trims pretection more than 1ENP.
Thanks.

RE: I ENP and 3 ENP different

Check ASTM B 733-97

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