Fittings & Components

Flanges – Ratings in Classes and Pressure Numbers (PN) Pressure numbers (PN) compared to flange class designations Related reading Standards 17: Carbon Steel Flanges – Pressure and Temperature Ratings Flange Tools – Downloads – Dimensional Data Series: Piping Standards Series | Previous: Standards 26: Flanges – API vs. ASME/ANSI | Next: Standards 28: ISO –…

JIS – Flanges, Bolts, Nuts, and Gaskets Standards Japanese Industrial flanges, bolts, nuts, and gaskets standards and specifications from the Japanese Standards Association – JAS: ordered by divisions:   B. Mechanical Engineering JIS B 1189:1999 Hexagon flange bolt JIS B 1190:1999 Hexagon nuts with flange JIS B 1451:1991 Rigid flanged shaft couplings JIS B 1452:1991…