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Elmecspeciality nozzle coil  heaters are made of nickel chrome resistance wire placed inside chrome nickel steel tube filled with mgo powder and compacted for faster and efficient heat transfer. The heaters are annealed to acquire malleability for bending into any shape. Hot runner heaters with built in thermo couple are also available. Hot runner bushes are produced with hot runner heaters of different cross section with inner brass and outer stainless steel cover


  • Available with nickel chrome steel band
  • Temp range for up to 400°C
  • Option of J type or K type thermocouple available on request
  • Negligible effect of material spillage
  • Minimum inner diameter 10 mm



  • Injection and blow molding
  • Process engineering
  • Extend nozzles
Sheath Material outer ss 316  inner brass
Insulation Material in coil Mgo
Resistance Wire Ni Cr 80-20
Maximum Sheath Temperature 700°C
Die Electrical Strength 800V A/C
Insulation > 5 M Ω 
Thermocouple J type (Standard) or K type
Length Tolerance (Straight) + 5%
Wattage Tolerance + 10% (+ 5% Available Upon Request)
Resistance Tolerance + 10% (+ 5% Available Upon Request)
Unheated Length 35mm (Standard)
Dimensional Tolerance Coil I.D + 0.1 to 0.2mm
Coil Length + 1mm

When Ordering please Specify

  • Dia & length of the heater.
  • Wattage and voltage.
  • Type of terminal.
  • Drawing for special type configuration.

We can manufacture and supply any intermediate diameter and length, Send drawing or sample for special size.