Standard:Ansi B16.5,Ansi B16.47 A,Ansi B 16.47B,Din,Bs&Jis Base material:Astm a105,Astm A105N,A182 F-304(L),A182 F-316(L),&Alloy steel Available size:1/2'' (DN 15)-48'' (DN 1200) Working Pressure:150LBS-2500LBS