Material:Carbon steel A105/Rst37.2/C22.8/Q235 Stainless steel 304/304L,316/316L,321,ect. Size:1/2"-60" Pressure:150lbs-2500lbs Facing:RF/FF/RTJ Standard:ANSI,ASME/DIN/JIS/UNI/BS/GB Strict quality control, competitive price, good service help our products sell very well in the overseas markets