Elav S.r.l.
Machines for electric cables and optical fibers
ITItaly
1981
2025

Extrusion lines for building wire (insulation and sheathing)

Extrusion lines for building wire (insulation and sheathing)

Elav offers complete solutions for producing building wire, used in residential, industrial, and infrastructure electrical systems. These lines are designed to cover all key processes: insulation, filling, and sheathing, with options for single, co-extrusion, or tandem configurations.

 

All lines can process a wide range of thermoplastic materials, including PVC, PE, XLPE (monosil or sioplas), HFFR, TPE, PP, and EPDM. Elav’s solutions ensure superior operating speed, precise process control, and flexibility in managing color changes or cable composition.

 

Modular line configuration

 

Elav lines use modules that can be customized according to layout, product type, and customer specifications, reducing setup times and maximizing operational efficiency.

 

Pay-offs: single or double cone (SDF), cantilever (SCT), sliding arms (SSM), and portal type (SPT)
LCE series extruders: diameters from 80 to 150 mm, for insulation, filling, sheathing, or skin
Dosing systems: volumetric, gravimetric, batch systems for complete compounds, and high-precision liquid silane dosing (patented Si-Jet®)
Extrusion heads: single or co-extrusion, configurable
Cooling troughs: straight, with heated and/or cooled sections, single or multistep
Capstans/Caterpillars: TCP and TCT series
Accumulators: vertical (ACV) or horizontal (ACH)
Take-ups: traditional (e.g., sliding arms, cantilever, portal), double automatic ADA series, or semi-automatic ADS

 

Insulation extrusion lines

 

Ideal for the primary insulation of low-voltage building wire cables, these lines can be configured in Coex 2, 3, or 4 versions with striping, skin, and optional rapid color change.

 

Technical data:
Cable cross-section: 0.3 mm² – 35 mm²
Cable diameter: 5 mm – 12 mm
Materials: PVC, PE, XLPE (monosil or sioplas), HFFR, TPE, PP
Speed: up to 1,500 m/min

 

Sheathing extrusion lines

 

Designed for manufacturing outer sheaths and optional filling of assembled cables, these lines are available in single, Coex, or tandem configurations. They provide superior dimensional precision and process stability, even for complex bundles.

 

Technical data:
Assembled cables
Cable diameter: 5 mm – 30 mm
Materials: PVC, PE, XLPE (monosil or sioplas), HFFR, TPE, PP
Speed: up to 500 m/min

 

Lines integrated with S-Z stranders

 

Advanced solutions that integrate S-Z stranding directly into the extrusion line, combining filling, sheathing, and skin modules in a single continuous line. Ideal for multi-conductor bundles used in complex electrical systems.

 

Technical data:
Cable cross-section: 0.5 mm² – 16 mm²
Max bundle: 7 x 6 mm² or 5 x 16 mm²
Cable diameter: up to 30 mm
Materials: PVC, PE, XLPE (monosil or sioplas), HFFR, TPE, PP
Speed: up to 400 m/min

 

Choose Elav for the design and production of tailor-made extrusion lines for building wire cable manufacturing. Contact the team for dedicated consulting.

 

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last updated on
Wednesday, October 15, 2025