... 2, CL150,CL200,CL300,CL600,CL900,CL1500,CL2500 Introduction:Insulating joint (Isolating Joint) is the key component in Cathodic Protection (CP) System ... oil, city gas, nature gas, LNG, LPG, etc.Ø Size: 1” to 60”Ø Matching pipeline: API 5L Gr. B, X42, X52, X60 ... , Grade of pipe, wall thickness of pipe;* ANSI rating* Medium to be transported in pipeline and temperature of transported medium* Additional ...