We offer the following products:
The purpose of insulating joints installation on gas and oil pipelines, it is to ensure electrical isolation among sections of pipelines preventing detrimental electrochemical interaction among the sections themselves. Insulating joints are also used to ensure effective current spreading on cathodic protection systems.
The insulating joint is suitable for installation either under, or above ground. It shall be installed on pipeline by means of girth welding it between two sections of pipeline itself.
It includes assembly, insulation board, packing, sealing ring, such as a short tube. It is the alternative to insulating flange.
Insulation extrusion welded joints using the form of a whole shall not be used bolt flange connection type. Joints will be insulated using insulation and sealing material into the folder and fixed in the sleeve (assembly) in a form.
Insulation joints after assembly, to the internal components should be fixed in the appropriate location. Pressure in the soil to provide for a pipeline operating pressure and balance of plant or a water pressure test at the scene, the entire insulation joints intact.
Insulation joints sealed internal components in joints close to the insulation board, a permanent flexibility, and sealing the two sides of components of direct contact with the exposed metal surface will not move to ensure the tightness of the joints.
The investigation of the materials you used to meet the following requirements:
Insulating flanges are those flanges equipped with plastic pieces that insulate and prevent the flow of an electric current between two metal surfaces. Insulating flanges are used in cathodic protection systems to prevent electrolytic corrosion. It includes a pair of steel flanges, insulation between the two flange seals, fasteners and fastening flange insulation parts and two-phase welding flange has a pair of short steel tube.
Insulation flange is mainly used in gas transmission and distribution pipelines and gas regulator, metrology, storage and other devices. The main role is to protect the gas distribution segment, equipment and pipeline insulation between isolation. This protects them from chemical corrosion, extending the service life of pipelines and equipment. Our products comply with SY/T0516-1997 "insulating flange design provides" standard.
The insulation product according to their different seals are divided into:
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