McMaster 44705K364 Aluminum Unthreaded Slip on Weld Flange 2 Pipe Size 20493301 Charging Rechargeable Charging Rechargeable For Use With Telecom Data Center Standards BICSI TIA 607 C Adapter Pressure Class 125 Connection Type Pipe Connection Style Slip On Weld × Flanged Flanged Connection Surface Flat Gender Female Pipe Size 2 Flange OD 6" For Bolt Diameter 5 8" Bolt Hole Diameter 3 4" Number of Bolts 4 Bolt Circle Diameter 4 3 4" Maximum Pressure 150 psi @ 72° F Material 356 Aluminum For Fitting Schedule 40 For Fitting Material Aluminum For Pipe Schedule 40 For Pipe Material Aluminum Specifications Met ASME B16 slide a pipe through the flange and weld on both sides