... 2008, ASME Certificate and U stamp Deatiled production description Monolithic Insulating joint1, Pup material: API 5L Gr.B, X42, X46 ... X70 2, CL150,CL200,CL300,CL600,CL900,CL1500,CL2500 Introduction:Insulating joint (Isolating Joint) is the key component in Cathodic ... eliminating the electric and chemical corrosion damage. Specifications:Ø Suitable for oil, city gas, nature gas, LNG, LPG, etc.Ø Size: ...