1) Specification:1/2"-24", DN15-DN1400 2) Standard: DIN,ANSI,JIS,UNI. 3) Material: Stainless steel 304, 316L Forged Flange,Socket welding flange,SW flanges1) Size: 1/2 - 24"2) Pressure class: 150 - 2,500lbs3) Facing: RF / FF / RTJ4) Material: F316, F304, F316L, F304L,5) Standards: ANSI B16.56) Other standards: DIN/BS/UNI/JIS