Sensetek Sensors & Controllers
hot runner coil Heater

HOT RUNNER COIL HEATERS

Elmec hot runner 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 micro coil 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.

micro coil heater

APPLICATION

  • Moulds & dies
  • Manifolds
  • Hot runner nozzles and spruce bushes
  • Packaging machineries
  • Manifolds
  • Injection moulding machine nozzle

AVAILABLE IN FOLLOWING CROSS SECTION

TECHNICAL SPECIFICATION AND TOLERANCE

Sheath Material Cr Ni-Steel
Insulation Material Mgo
Resistance Wire Ni Cr 80-20
Maximum Sheath Temperature 700C
Die Electrical Strength 800V A/C
Insulation > 5 M W
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

CONNECTION LEADS OPTION

PTFE Insulated nickel lead protected with thick silicon coated fiberglass sleeve

PTFE Insulated nickel lead protected with flexible stainless steel metal braid

PTFE Insulated nickel lead protected with flexible stainless steel metal hose

PTFE Insulated nickel lead protection

TYPICAL LEAD ORIENTATION