Socket welding flange 900-NPS0.5 what do you mean?
Socket welding flange 900 pounds, size 0.5 "that is 1/2.""
The pressure rating is CLASS 900, and NPS (NOMINAL, PIPE, SIZE) represents the nominal diameter, 0.5 "socket weld flange.
900 indicates the pressure grade, and NPS0.5 indicates your flange size. Equal to our DN15 flange. 0.5 inches.