monolithic insulation joints
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Monolithic Insulation Joint is a boltless structure that provides electrical resistance between the pipeline sections and adjoining structures, thus improving the effectiveness of the Cathodic Protection System (CP systems). Specifications: * Suitable for oil, city gas, natural gas, LNG, LPG, etc. * Size: 1 to 56 * Matching Pipeline: API 5L Gr. B, X42, X52, X60, X65, X70, etc. * Pressure Rating: ANSI Class 150, Class 300, Class600, Class 900, Class1500, Class2500 * Ambient Temperature: -20oC ~ +60oC * Working Temperature: -20oC ~ +120oC * Standard Testing: -- Hydrostatic Test: 1.5 times MOP (Max. Operation Pressure). -- Electrical Resistance: = 20M @ 1000v DC under dry air at 25 oC -- Dielectrical Voltage: = 3.5kv AC 50Hz (1 minute) (Can be 5kv as per request) Ordering Information: Please specify the following requirement: ** Pipeline Diameter, Grade of Pipe, Wall Thickness of Pipe; ** ANSI Rating ** Medium to be transported in pipeline and temperature of transported medium ** Additional Testing required except standard testing: X-ray, Ultrasonic & Magnetic Testing, etc.
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