standard : ASME,ASTM,ANSI,DIN,JIS,API,MSS,AWWA size : 1/2" ~ 80" material :, ... , Large Tongue & Groove, Small Tongue & Groove, Ring Joint Standard125 Lb, 150 Lb, 300 Lb, 600 Lb, 900 Lb, 1500 Lb, 2500 ... LF2, LF3Size½" NB to 48 "NBMakeManufacturer & As per design & Specification ANSI Blind flange