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alfredngai Associate Join Date: Mar 2009 Location: Singapore Posts: 38	API Gauge 05/31/2012 12:46 AM
	Hi All can anyone help to let me know is all API thread gauge is mean for after coating or before coating .right now i machine a I.d 3" BPV before coating the gauge check is O.K but after coating the gauge cannot engage.is the coating too thick or the gauges is not mean for after coating.
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Tornado Guru Join Date: May 2009 Location: Richland, WA, USA Posts: 21017 Good Answers: 795	#1 Re: API Gauge 05/31/2012 1:10 AM
	Either the coating is too thick, or the threads were not cut sufficiently undersize to allow for the coating. The threads need to fit the gauges after coating. __________________ In vino veritas; in cervisia carmen; in aqua E. coli.
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