ANSI Class Pressure-Temperate Ratings for materials of A105, WCC, LCB, WC6, WC9, C5, F304, F316 in pressure of Class 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb.
Flange Standards of ASME B16.5, ASME B16.7 Series A / Series B, MSS SP 44, API 605 RF
BS EN 558-2008 Industrial valves face-to-face and center-to-face dimensions of metal valve for use in flanged pipe systems-PN and Class designated valves.
BS EN 1092-1-2007 Flange Standard for pressure of PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, pn250, PN320, PN400.
ASME B16.25 Butt-welding Ends Standard for gate valve, globe valve, check valve, ball valve, butterfly valve, plug valve