Description
Monolithic Insulating joint is one of the equipment used in cathodic protection. Insulating joint is a special equipment that is used to separate the electrical current continuity of main pipelines from facilities and other pipelines. Its purpose is to separate the electrical current between pipeline sections to prevent harmful electrochemical interactions between sections. In fact, a monolithic insulating joint (MIJ) is designed to act as an electrically insulating piece which is welded to the pipeline.
Insulating joints should also be designed in a way that to match the metallurgy and functional requirements of oil and gas pipelines to increase the life of the pipeline to which it is connected after installation. Each insulating joint must be designed and manufactured as closely as possible to project specifications. This ensures the lifespan of the equipment. If this is done correctly, the insulating joint will work for many years without maintenance and repairing. For this reason, the insulating joint will be a suitable alternative to the insulation kit. By using Insulating joint it is not needed to use bolts and nuts, washers. Also, because they are monolithic, they eliminate the assembly step at the installation site.
This product is completely manufactured and tested by Gas souzan industrial manufacturing company. In comparison with the insulation kit which gaskets, bolts, or washers are assembled at the place of implementation, for monolithic Insulating joint there is no need to use gaskets, bolts, or washers at the place of implementation, therefore ,inaccurate performance of the mentioned connections will not be.
On this product, the electric resistance test with a voltage of 1000 volts DC and the result of the test above 25 megaohms and dielectric tests with a voltage of 5000 volts AC for one minute are performed. It should be noted that these tests are performed before and after the hydrostatic test. Monolithic insulation joints are installed underground and on the ground.
Gas souzan Industrial manufacturing company is the first manufacturer of this product in Iran, which designs and manufactures insulating joint in class 2500, 1500, 900, 600, 300, 150 from 1 to 56 inches according to the latest version of international standards.
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