... item standard No. size PN Type Material 1 ANSI B16.5 1/2"--24" 150-2500LBS BL,SO,SW,LJ,WN ... ,THDA105, A350LF2, A182 F11A182 F304/F304L,F316/F316L 2 LONG WN 1/2"--24" 150-2500LBS Long welding-neck A105, A350LF2 ... ,WN A105, A350LF2,A182 F304/F304L,F316/F316L 5 ANSI B16.47 B(API605) 26"--60" 75--900LBS BL,WN A105, ... 64,100,160 SO,BL,PL,WN,LOOSE,THD RST37.2/1.0038/DIN17100C22.8/1.0460A105/C21/1.0432 ...