1. ASME B16.5: PIpe flanges and flanged fittings - NPS1/2 through NPS 24 metric/inch standard;The American Society of Mechanical Engineers,2017
2. EN 1092-1 - flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated steel flanges;DIN,2018
3. Modern Flange Design, Bulletin 502, Edition VII;Forge,1978
4. ASME Section VIII: Rules for construction of pressure vessels - division 1;The American Society of Mechanical Engineers,1992
5. EN 13555 - Flanges and their joints - gasket parameters and test procedures relevant to the design rules for gasketed circular flange connections;DIN,2014