ANSI Threaded Flange also is called Screw flange, the inner hole is machined to the pipe thread, which connects to the pipe with the screw, it is not welding flange. It is easy to install and fix, but it only used in from -45 degree to 20 degree and the outside diameter of the pipe is below 100 mm.
Production Size: DN10-DN100mm
Pressure Range: PN2.5, PN10, PN16, PN25, PN40, PN64, PN100, PN250, PN320, PN400
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