... : API 5L Gr.B, X42, X46, X52, X56, X60, X65, X70 2, CL150,CL200,CL300,CL600,CL900,CL1500,CL2500 Introduction:Insulating ... ”Ø Matching pipeline: API 5L Gr. B, X42, X52, X60, X65, X70, etc.Ø Pressure rating: ANSI Class 150, Class 300, Class600, Class ...