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Triple Crosshead THX 70/130

Nearest Maillefer contacts for USA

KN Manufacturing Solutions LLC

Fiber Optic

5464 Woodrun Ct
GA 30517 Braselton

Tel: +1 770 967 1770

Cell: +1 404 202 9655

Fax: +1 770 967 1770

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Maillefer North America

Pipe & Tube

Phipps Bend Industrial Park<br /> 402 Phipps Bend Road
TN 37873 Surgoinsville

Tel: +1 423 817 2440

Fax: +1 423 212 0131

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Maillefer North America

Wire & Cable

#1 Extrusion Drive
CT 06379 Pawcatuck,

Tel: +1 920-215-6628

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Perfect distribution, short residence time

Our Triple Crosshead THX 70/130 ensures high dielectric strength and long life time for HV and EHV cables.

Description

Our Triple Crosshead THX 70/130 is used for three-layer extrusion of MV, HV XLPE and EPR cables. An additional flow distributor for EPR insulation is applied. The dimensioning of the flow channels ensures exact thickness for each layer.

The crosshead is equipped with Bi-Flow distributors. Bi-Flow technology in XLPE extrusion enables more accurate wall thicknesses and improved roundness of the cable. The head can be centred with zero screws prior to extrusion. Each of the three layers can be adjusted independently. The centring screws are equipped with a scale to repeat centring according to earlier production. Centring can also be repeated by locking centring screws with a nut before cleaning the head. The connections between the crosshead and the extruders are fixed when the extruders are movable. This arrangement gives the operator optimum space for crosshead handling. The crosshead design allows quick change of extrusion tools when new cable dimensions are close to the ones presently used.

An independently controlled fluid circulation unit is used for the crosshead's temperature control. The heating capacity is at least 18 kW and the cooling capacity 10 kW at 120 °C.

The delivery of the triple crosshead includes a basic triple crosshead for XLPE materials with L-support.

Technical characteristics

Cable diameter 15 - 120 mm
Conductor diameter 7.0 - 70 mm
Conductor screen thickness 0.4 - 3.0 mm
Insulation thickness 4.0 - 35 mm
Insulation screen thickness 0.4 - 3.0 mm
Weight 750
No. of temperature controlled zones 4
Heating of crosshead body With oil or water

Exact values depend on the assembly.

Options

  • Conductor guiding rollers 
  • Milliken compacting unit
  • Extension for larger conductors

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