... :SMS DIN 3A Material: SS304,SS316,SS316L Blind FlangeFeatures:1) We can supply all kind of stainless steel ... are available upon requests3) Welding neck, slip-on, lap-joint, blind, socket welding and threaded flanges areamong the selection. The large ... -600 2) OD: 1/2 - 24" 3) 150 - 2,500lbs Blind Flange