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Sealed type heater coil:, 1.Long uselife;, 2.High temperature;, 3.Widely application in industrial - details see: https://www.machineto.com/sealed-type-heater-coil-for-hot-runner-systerm-10245887

Product name: Coil Heater

Coil heatersare 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 thermocouple 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 In Following Cross Section:

3.0 x 3.0, 3.30 x 3.30, 3.5 x 3.5, 4 x 4 etc.4.20 x 2.20, 4.20 x 2.50

Any other cross sections can be manufactures and supplied on request.

Features:

1. Standard sizes available with various cross section

2. Various Watt Density options available.

3. Robust Design with Choice of Terminal Exits

4. Available with built in Thermocouple

5. Designed for even heat profile.

6. Precision fit on Hot Runner Nozzles & Manifolds.

7. Highly Non-corrosive.

8. Maximum heat transfer due to more contact area.

9. Advanced Thermal Engineering.

Photos for reference:

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

Application of Hot Runner Coil Heater:

1. Injection moulding machine nozzle

2. Hot Runner Nozzles & Bushings.

3. Packaging machineries

4. Hot runner Injection moulds.

5. Injection & Blow Moulding Machine Nozzles.

6. PET prefrom & Thin wall container Moulds

7. Hot runner Manifolds.