2" American National Standards Institute (ANSI) 150# flange | Compression x FIP | FNPT x NPSM Swivel | G 1/2 B x 1/2 in. Male National Pipe Thread (MNPT) with 1/4 in. Female National Pipe Thread (FNPT) | Male National Pipe Thread (MNPT) | MIP Threaded | Socket Weld x Threaded