The selection process involves many considerations, including but not limited to, design and mechanical properties of fasteners, gaskets, and flanges at stated pressures and temperatures.  While we provide technical direction, all information is provided as a convenience and is only intended for general information and educational purposes.  You should not use any information contained herein it as a standalone document.  Rather, this information is provided to support engineering judgment, and not as a substitute for engineering judgment. The information provided by this selection guide is not intended in any way as engineering advice and should not be relied on as a substitute for such professional advice. Consult a licensed professional engineer regarding your flange, bolt, nut, and gasket selections.