Size range: 3"-160" (DN80-DN4000); Pressure class: Class150, Class300, Class600,, Class900, Class1500, PN25, PN40, PN63, PN100, PN160, PN250 Type: wafer, lug, flange, butt-welded; Firesafe test: ISO10497, API607, API6FA; Low emission: ISO15848-1, TA-Luft, EPA Method 21.