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A new family of affordable cross heads covers the range from 20 to 125 mm

The perfect solution for customer who needs a simple, robust and economical cross head with all the advantages of Microdia’s expertise in extrusion.

Made of the best wear and corrosion resistant steels, produced entirely on high precision high speed CNC machines tools the ROMEX WC series can compare in quality to the other famous Microdia’s series.

The ROMEX WC series cross heads are also fully compatible with the anterior Microdia cross heads as regards:
  • Tooling tips.
  • Tooling dies.
  • Flange fitting.
  • Center line.
  • Auxiliary extruder fitting.
  • Heating voltage and power.


What means that an existing old Microdia cross head can be replaced by a ROMEX WC head without any change in the line’s lay out.

The ROMEX WC series heads have been engineered like all Microdia’s heads with:
  • Conical distributors available with different flow path.
  • Large distribution sleeves (collet), easy to handle and clean.
  • Die nut for the gum space adjustment.
  • Distributor holder for the larger head (option)


ROMEX series main advantages:
  • Simple assembling and dismantling with conventional Allen keys.
  • Miniclamp: quick connection head to extruder’s flange.
  • Easily replaced heating sleeves.
  • Short heating up time.
  • Light weight.
  • Low cost.

Cable type

  • Single layer.
  • Single layer + stripe.
  • Double layer (skin).

Auxiliary extruder connexion:

  • On the top, vertical auxiliary extruder.
  • On the side 180° from main extruder.
  • On the side “V” configuration main and auxiliary extruders at 90°.

Romex WC1:

  • Max core diameter: 40 mm
  • Max tubing die diameter: 60 mm
  • Typical throughp ut PVC 760 kg/h
  • Typical throughput HDPE 530 kg/h

Romex WC2:

  • Max core diameter: 60 mm
  • Max tubing die diameter: 80 mm
  • Typical throughput PVC 1000 kg/h
  • Typical throughput HDPE 690 kg/h

Romex WC3:

  • Max core diameter: 110 mm
  • Max tubing die diameter:125 mm
  • Typical throughput PVC 1550 kg/h
  • Typical throughput HDPE 1070 kg/h