Products and Services Engineering Technical Service SeriesStrong Magnetic Weld-Free Cable Connector

Strong Magnetic Weld-Free Cable Connector

The strong magnetic weld-free cable connector is a cold connection fitting dedicated to pipeline cathodic protection. It is built with industrial-grade NdFeB high-strength magnets and high-conductivity copper alloy contacts. Adopting an integrated three-in-one design of "magnetic positioning + mechanical locking + low-resistance conduction", it replaces traditional thermite welding. The whole process is cold operation without open flame, enabling fast, safe and reliable connection between cables and metal pipelines, and suitable for complex working conditions such as explosion-proof areas and confined spaces.

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Core Features

Safe Connection in Explosion-Proof Areas

No hot work and no open flame throughout the whole process, completely eliminating fire and explosion risks caused by welding. Suitable for flammable and explosive environments such as gas, oil and gas facilities.

Safe Connection in Explosion-Proof Areas
Stable Conductive Transmission

Dual conduction via conductive adhesive and copper contacts achieves extremely low contact resistance, ensuring stable transmission of cathodic protection current.

Stable Conductive Transmission
All-position Adaptable Connection

Break through the position limitations of traditional welding; installation is available at any 360° angle (flat, horizontal, vertical and overhead positions).

All-position Adaptable Connection

Product Features

Efficient & Rapid Installation

Positioning is achieved instantly by magnetic attraction. Welding machines and fluxes are not required. Ordinary operators can master operation quickly, boosting construction efficiency by over 50%.
Non-damaging Base Material Protection

No high-temperature welding, so the grain structure of the pipeline remains intact without damage to the anti-corrosion coating, extending the service life of the pipeline.
Long-term Sealing Protection

Composite insulation with viscoelastic body and cold-wound tape, featuring water resistance, anti-corrosion and aging resistance. Its design service life exceeds 10 years.

Product Technical Parameters

No.	Item	Design Index	Measured Results
1	Overall Dimension	φ32mm×8mm	Complies with
2	Maximum Current-Carrying Capacity	≥100A	Complies with
3	Design Service Life	＞10 years	Verified by accelerated aging test
4	Installation Method	Cold Operation, Welding-Free	Achieve
5	Conductive Performance	Stable contact resistance	Complies with
6	Insulation Performance	Passed spark test	Complies with
7	Application Scenarios	Any position: flat, horizontal, vertical, overhead	Complies with

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Product Certification

The product has been tested by the Electrical Safety Testing Center for Petroleum Industry and the Quality Inspection Station for Cathodic Protection Products. It complies with standards SY/T 0017 and GB/T 21448 with qualified explosion-proof performance, and meets the requirements of explosion-proof construction in the oil and gas industry.

Construction Instructions

1. Surface Treatment: Clean the contact surface of the pipeline, remove rust until metallic luster is exposed, keep dry and clean.

2. Gluing Operation: Apply two-component conductive adhesive evenly.

3. Magnetic Installation: Position by strong magnetic connector, squeeze out excess adhesive.

4. Continuity Test: Test contact resistance with multimeter to ensure qualified electrical continuity.

5. Insulation Wrapping: Seal and insulate with viscoelastic tape plus cold-wound tape.

6.Leakage Test & Acceptance: Conduct spark test; put into service after passing inspection.

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