1)Pressure:class150,300,600,900,1200,1500,2500 2)Size:DN15-DN1200 3)Type:WN,SW,SO,BL,RTJ,LJ,THR 4)Material:A105,Rst37.2 Welding neck flange1.Pressure:class150,300,600,900,1200,1500,25002.Size:DN15-DN12003.Type:WN,SW,SO,BL,RTJ,LJ,THR4.aterial:A105,Rst37.2,stainless steel 304/316/304L/316L5.Technic:fogring6.Packing:wooden case or pallet. Welding neck flange