... PN Type Material 1 ANSI B16.5 1/2"--24" 150-2500LBS BL,SO,SW,LJ,WN,THDA105, A350LF2, A182 ... F304/F304L,F316/F316L 2 LONG WN 1/2"--24" 150-2500LBS Long welding-neck A105, A350LF2,A182 F304/F304L,F316 ... F304/F304L,F316/F316L 4 BS3293-1960 STANDARD 26"--48" 150-600LBS SO,WN A105, A350LF2,A182 F304/F304L,F316/F316L ... SO THD BL WNBS1501-161 GR.B AND C BS1633GR.B BS 1503-240GR.240 BS 1503-620 BS3604 11 ISO 7005 ...