... )Material:A105,A182,Q235,A3,20# 4)Size:DN15-DN1000 Forged Process,all kind of flanges.Size 1/2"-48",DN15 ... DN1000.Pressure :150LBS-3000LBS,6bar-250bar.According to ANSI/ASME,JIS,DIN,BS,UNI,AS2129,EN1092,GB,HG,SH,SHJ,SGJ ... SP44DIN standard: DIN2527,2566,2573,2641,2642,2638,2655 etc.JIS B22220 standardBS 4504 standardUNI standard: UNI 2276,2277,6083,2280 ... SOP,SOH,WELDING NECK,SLIP ON,BLIND Rf and So flange