1) Size: 1/2 - 24" 2) Pressure class: 150 - 1, 500lbs 3) Material: Stainless steel(SS304/SS304L/SS316/SS316L etc), Carbon steel(A105/A350 LF/F1/F12/F52/St37.2) 4) Strandards: ANSI B16. 5/DIN/UNI/JIS/GB