... company. Product Nickel Flange Type Slip-on flange,Socket welding flange, Lap joint flange, pad type flange Welding neck flange ,Blind flange, Orifice flange , Reducing flange Grade Ni201,Ni200 ... ''(DN10~600) Pressure rating: 0.6~32MP (DIN) PN6, PN10, PN16, PN25 though PN250 (ASNI) CL150, CL300, CL600, CL900, CL1500