GOST 12836 Blind Flange is also called the blind plate or flange cover, which is a flange without the holes in the middle for sealing the plug of the pipe. There are many types of sealing faces, cluding flat face, raised face, ring type joint. It is used to insulate or cut off the medium of the pipe, the function is the same the head cap and the role, because of the good sealing performance, the system that need completely isolate mostly use it.
Production Size: DN10-DN1200mm
Pressure Range: PN0.1, PN2.5, PN10, PN16, PN25, PN40, PN64, PN100
Production Standard: BS, JIS, GOST, ANSI, DIN, GB
A105, 20#, Q235, 16Mn, A350 LF1, LF2, CL1/CL2, LF3 CL1/CL2, A694
F42, F46, F48, F50, F52, F56, F60, F65, F70; A182
F304, 304L, F316, F316L, 321, 18-8, A182F1, F5a, F9, F11, F12, F22, F91, A182 F12, F11, 16MnR