> Manufacturing Standards: • General Design API 600, API 594, API 602 • Pressure Rating ASME/ ANSI B16.14 • Face to Face ASME / ANSI B16.10 • Flange Dimantion ASME/ ANSI B16.5 • Butt-Weld End ASME/ ANSI B16.25 > Pressure Class: • ANSI 150# Working Pressure 285Psi, size 2” - 24” • ANSI 300# Working Pressure 740Psi, size 2” - 20” • ANSI 600# Working Pressure 1480Psi, size 2” - 16” • ANSI 900# Working Pressure 2220Psi, size 2” - 10” • JIS 10K, 20K • PN 10, PN 16