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Insulating Joint

PRODUCT PARAMETERS

The Insulating Joint is a key electrical insulation and anti-corrosion safety component in pipeline systems. It consists of an insulating sleeve, insulating gasket, sealing ring, and pipe segment/flange ends.

Its core functions are to prevent electrical current conduction between pipelines, protect against electrochemical corrosion and stray current damage, while ensuring mechanical strength and sealing performance. It is an essential protective part for long-distance oil & gas transportation, buried pipelines, and chemical anti-corrosion applications.

Application Fields: Widely used in petroleum, chemical, oil & gas transportation, power & energy, and long-distance pipeline industries. Suitable for buried pipelines, oil & gas transmission lines, and piping systems with high anti-corrosion requirements—especially in scenarios requiring current isolation to prevent electrochemical corrosion in buried and long-distance pipeline projects.

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Description

ItemSpecification
Product SizeDN15–DN1200 (1/2″–48″) and other common specifications; customization available
Pressure Rating
PN6–PN100 / Class 150, Class 300, Class 600 (customized according to wall thickness and pipe schedule)
Manufacturing StandardsComplies with GB, ANSI, DIN, JIS and other international standards
MaterialCarbon steel, stainless steel, alloy steel, pipeline steel, low-temperature steel, duplex steel, etc.
Surface TreatmentPickling and passivation, anti-rust oil coating, painting, hot-dip galvanizing, sandblasting, etc., as per customer requirements
OriginChina
Connection TypeButt-welded
Temperature Range-50°C ~ +450°C (specific temperature resistance depends on material and application conditions)

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