Scott Precision Wire is a recognised World leader in the manufacture of wires for the electrofusion industry.
Electrofusion wire is used to weld plastic pipe to plastic fittings, fittings that range from couplers to tees to elbows to tapping cocks. The pipe is used in water and gas delivery as well as in aggressive chemical process applications. Pipe and fittings can range in size from around 20mm diameter up to over 2m in diameter. The manufacturing process to produce the fittings vary, but all need the same electrofusion wire.
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custom wire, thanks to our in-house developed software
Copper nickels, brass, bronze are also popular alloys used in our customers products. But don’t worry, our expertise and in-house developed software means we can help design and select the right resistance heating wire for your application.
If the fitting design requires wire passes to be in physically close proximity to each other and there is a risk of them touching during the molten plastic phase of the fusion process and electrical shorting, Scott Precision Wire has the solution, enamel-coated resistance heating wires.
Scott Precision Wire's enameled resistance heating wires incorporate a dual coat modified polyester enamel system combining the excellent physical, technical and electrical properties of a polyester base coat with the chemical resistance, surface toughness, smoothness and high thermal rating of a polyamide-imide polymer topcoat. The combination of these two high quality resins produces a coating that has outstanding abrasion resistance, flexibility, chemical resistance, burnout and thermal shock resistance and dielectric strength.
electrofusion wire faq's
Electrofusion is a process for welding gas or water pipes together. A collar is made to fit over the ends of each pipe with a spiral of electrofusion resistance heating wire wound inside it. When the wire is heated up by applying an electrical current, the inside of the collar and the outside of the pipe ends melt and fuse together to create a sealed joint.
Electrofusion fittings come in a range of sizes, from ones designed for 15mm right up to 1000mm pipes, and the technology can even be used to weld T junctions onto the sides of a pipe. This means a wide range of different wires are required from special, pure copper wires to iron/chrome/aluminium alloys.
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A UK Aerospace customer who manufactures high specification thermocouple assemblies for use in jet engines had a problem in that their manufacturing process caused the thermocouple EMF to drift out of International Specification’s. ... read more