Slip On Flange
PN 2.5 to PN 250. Octal offers slip on flange with materials standards in ASTM A105, ASTM A182, ASME B16.5, BS 3293, DIN 86029. Slip on flange also named as SO flange. SO flanges slip over pipes and are designed to bit slightly bigger on the inside than the pipe. They connect to the pipe through a fillet weld at the flange top and bottom.