... Mainly Flange Standards Available:a. ANSI B16.5 150LBS (300LBS, 600LBS, 900LBS,1500LBS, 2500LBS) Blind/ Slip-on/ Welding Neck/ Plate/ Socket weld/ Threaded ... .47 Series A/B Blind/Weld Neck Flangesb. DIN 2527 (PN6, PN10, PN16 PN25, PN40, PN64, PN100) Blank Flange, DIN 2573 PN 6 ... , 16K, 20K, 30K (PL, SO, BL, TH, SW), JIS 30K Weld Neck Flangese. AS2129 Table D/E/F/H FlangesMaterials, Grades (stainless ...