PARAMETER
DN：NPS1/2" ~ 24"
PN：Class150 ~ Class2500
Flange is also called flange or flange. The flange is the part that makes the pipe and the pipe connect with each other, and is connected to the pipe end. There are holes in the flange, and the bolts make the two flanges tightly connected. The flange is sealed with gasket. Flange is divided into threaded connection (threaded connection) flange and welding flange