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Can you use pressure fittings on three-quarter inch OD steel pipe for natural gas fittings for kitchen stove or do you always have to use threaded?

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September 03, 2008 1:57AM

Not sure what you mean by pressure fittings. Threaded fittings for steel pipe are pressure fittings. Steel pipe with a 3/4" O.D. is known as 1/2" I.P.S. (Iron Pipe Size) pipe.