Origin	China
Connection	Flange
Material	Carbon Steel
Technics	Forged
Type	Flange

BLIND FLANGES are used to blank off the ends of piping, valves and pressure vessel opening. From the standpoint of internal pressure and bolt loading, blind flanges, particularly in the larger sizes, are the most highly stressed of all flange types; however, since the maximum stresses in a blind flange are bending stresses at the center, they can safely be permitted to be higher than in other types of flanges.

Class 150
Class 300
Class 600
Class 900
Class 1500
Class 2500

Materials

Carbon Steel:ASTM A105, A350 LF1,LF2 CL1/CL2 LF3 CL1/CL2, ASTM A694 F42,F46,F48,F50,F52,F56,F60,F65,F70
Stainless Steel:ASTM A182 F304/304L, F316/316L, F316H,F316Ti,F321,F44(UNS S31254)
Alloy Steel:ASTM A182 F1,F5/a,F9,F11,F12,F22,F91
Duplex&Super Duplex Steel:ASTM A182 F51/UNS S31803,F53/UNS S32750 F55/UNS S3260
Special Alloy Steel:Monel400,Inconel 600, Inconel 625, Inconel 800, Inconel 825