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 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.
COILHEATER
CAST-IN BUSH HEATER
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
3.0 x 3.0, 3.30 x 3.30, 4.50 x 4.50 mm
4.20 x 2.20, 4.50 x 2.50, 3.20 x 1.80, 1.30 x 2.30 mm
3.30, 1.80, 1.60, 1.35 mm
Any other cross sections can be manufactures and supplied on request.
TECHNICAL SPECIFICATION AND TOLERANCE
Sheath Material
Cr Ni-Steel
Insulation Material
Mgo
Resistance Wire
Ni Cr 80-20
Maximum Sheath Temperature
700°C
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
HOW TO ORDER MICRO TUBULAR HEATER
Cross Section
Outer dia of coiled heater : O.D
Inner dia of coiled heater : I.D (Or) Outer diameter of nozzle to be heated
