product:bl flange meterial:titanium and titanium alloy size:DN6~DN500(1/2''~24'') Product:bl flangeStandard:ANSI B16.5Pressure rating:CL 150,300,400,600,900,1500,2500 PsiSealing surface:RF,FF,TG,MFM,RJFlange type:PL,SO,WN,IF,SW,TH,PJ/SE,PJ/RJ,BL,BL(S)