Flange Insulation Gaskets

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-20 01:27
Browse the number: 51
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Cixi Xinsheng Sealing Factory is one of the leading flange insulation gaskets manufacturers in China,Website:://.xs-sealing.com, welcome to wholesale low price flange insulation gasket sets from our factory. Product Type:Xinsen-IG Features: Flange Insulation Gasket Sets are used to solve the sealing and insulating problems of flanges, and to control losses due to corrosion and leakage of pipelines. They are widely used to seal flanges and control stray electric currents in piping at oil, gas, water, refinery, and chemical plants, to increase the effectiveness of cathodic protection systems. Application of Flange Insulating Gasket Sets To limit the extent and cost of cathodic protection current to only those pipes that need to be protected from the main cathodic protection system To electrically "split up" long pipelines into distinctive cathodic protection systems To isolate a pipeline to ensure that cathodic protection or stray electricity currents do not cause increased corrosion, or cause a hazard To isolate piping systems where dissimilar metals are present To eliminate static loading charge transfer in discharge or loading operations at oil storage terminals Insulation Gasket Type: Type E (Full Face Gasket) This gasket kit provides complete protection of both flange faces. The gasket has same outside diameter of flanges. This feature will prevent collection of foreign matter between the flange faces to ensure complete cathodic isolation. Type F (Ring Type Gasket) This gasket is manufactured to fit only the raised face surface of the flanges. Outside diameter of the gasket is designed to be slightly less than the inside diameter of the bolt circle. It is recommended that the flanges be wrapped to prevent foreign material from "shorting out" the flanges. Type D (RTJ Gaskets To fit RTJ flanges. They can be produced according to ASME and API flange standard. Sealing Gasket Physical Properties Property PlainPhenolic Neo-facedPhenolic SiliconeGlassG-7* EpoxyGlassG-10 EpoxyGlassG-11 Dielectric strengthsVolts/mil 500 500 350-400 550 550 Compressive strength psi 25,000 25,000 40,000 50,000 50,000 Water absorption  % 1.6 1.6 0.07 0.10 0.10 Insulating ResistanceMeg Ohms 40,000 40,000 2,500 200,000 200,000 Flexural  strength psi 22,500 22,500 27,000 45,000 43,000 Operating  temp  F -65 to 220 -65 to 175 -292 to 450 -292 to 280 -292 to 349 Operating temp   C -54 to 104 -54 to 79 -180 to 232 -180 to 138 -180 to 176 * = G-7 material should not be used with hydrocarbons, not even trace amounts. Seal Element Temperature Limits Nitrile Viton Teflon Neoprene EPDM -65 to  250F -20 to  350F -292 to  450F -40 to  248F -65 to  248F -54 to  121C -29 to  177C -180 to  232C -40 to  120C -54 to  120C Flange Insulation Gasket Set is becoming more and more important in the industry of oil
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