... and sizes from 1/2" to 24".Orifice flanges from 1" to 24" and from 300 to 2500 lbs are in accordance with ... accordance with DIN.Flanges from 1/2" to 24" and up to 450 lbs are in accordance with BS10 Table ... DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck.Thread,Socket weld,Blind3. ... 30days for 1000tons10.Supply Capacity: 10000tons per year High quality forged flange