China Supplier Electric Resistance Spring Coil Heater Electric Heating Coils

• Customization: Available
• Certification: ISO9001, CE
• Type: Electric Coil
• Model NO.: 220v 14mm 18mm 20mm
• Material: Ni-Fe
• Form: Spiral Heating Element
• Shape: Tubular
• Resistance Wire: German Nickel Chrome Wire
• Magnesium Oxide Powder: USA Brand
• Advantages: Fast Response Time
• Application: Injection Mold Hot Runner System
• Certificate: ISO9001, CE
• Heating Uniformity: Very Good
• Length: 250-2500mm
• Power: 190-1500W
• Transport Package: PVC Pipe, Carton Box, Wooden Case
• Specification: Rectangular, round, square
• Trademark: no
• Origin: China
• HS Code: 851690100
• Production Capacity: 10, 0000 Per Year

Product Description

 

 

China Supplier Electric Resistance Spring Coil Heater Electric Heating Coils

 

Product Description

 

1. Coil Heater Working Principle
Electric Coil heater, also known as cable heater, convert electricity into heat through the process of Joule heating. Electrical current running through the element encounters resistance, resulting in heating of the element.

2. Coil Heater Structure
The main features of these heaters are 360o heated area, readily confirms to surface, fast response and quick heat transfer, helical coil design for superior performance, good resistance to corrosion and it can easily be coupled with J or K type thermocouple.

The integration of temperature thermocouple for the precise temperature control. It also provides the best combination of physical strength, high emissivity and good thermal conductivity to heat hot runner bushings and nozzles.

3. Coil Heater Standard Sizes

Cross Section	Total Length /Heating Length	T/C	WATT/VOLT	Lead Wire
2,2x4.2	300/250mm	J	195W x 230V	1000mm
2,2x4.2	330/280mm	J	215W x 230V	1000mm
2,2x4.2	385/335mm	J	240W x 230V	1000mm
2,2x4.2	450/400mm	J	300W x 230V	1000mm
2,2x4.2	510/460mm	J	350W x 230V	1000mm
2,2x4.2	570/520mm	J	400W x 230V	1000mm
2,2x4.2	650/600mm	J	460W x 230V	1000mm
2,2x4.2	750/700mm	J	530W x 230V	1000mm
2,2x4.2	850/800mm	J	610W x 230V	1000mm
2,2x4.2	950/900mm	J	690W x 230V	1000mm
2,2x4.2	1160/1110mm	J	850W x 230V	1000mm
2,2x4.2	1360/1310mm	J	950W x 230V	1000mm
2,2x4.2	1600/1550mm	J	1100W x 230V	1000mm
2,2x4.2	1850/1800mm	J	1200W x 230V	1000mm
2,2x4.2	2300/2250mm	J	1300W x 230V	1000mm
2,2x4.2	2550/2500mm	J	1500W x 230V	1000mm

4. Coil Heater Parameter

Sheath Materials	Chrome-nickel Steel
Cross Section	Circular, Square or rectangular
Insulation Materials	USA High Purity MgO
Heating Element	NiCr80:20
Lead Wires	Fiberglass Insulated
Voltage Range	Max. 250V, Standard 230V
Power Rating	Depending on application
Power Tolerance	+-5% to +-2%
Length Tolerence	+-2%
Unheated Length	25-50mm plus adapter connection
Minimum Bending Diameter	6mm

5. Coil Heater Imported Raw Materials
a. The coil heater resistance is used German Nickel Chrome wire, can be coiled and straight.
b. The insulation material magnesium oxide powder is imported from USA; which ensures the high performance, fast response time and good unformity.
Heating photo for example


4. Surface Treatment
Blasting and blackening surface treatment, also can provide bright surface.


6. Coil Heater Cross Section
Based on specific requirements and applications, coil heaters are manufactured in different cross sections. Each one is having its own advantages and disadvantages. Basically there are three types of coil heaters. They are

Coil Heater Cross Section
Round Coil Heater Diamater	Φ3.0, Φ4.0,Φ5.0
Square Coil Heater Diamater	3.0×3.0, 3.3×3.3, 3.5×3.5, 4.0×4.0, 5.0×5.0
Rectangular Coil Heater Diamater	4.0×2.0, 4.2×2.2, 4.5×2.7

Cross section 4.2*2.2mm


Cross section 3.3*3.3mm

7. Package:


6. Coil Heater Application:
Plastic injection molding machines,
Holding tanks
Metallurgical analyzers
Pulp and paper processing
Blow molding machines
Oil reclamation equipment
Food and candy extruders
Labeling, bag sealing, hot stamping, heat trace, and packaging equipment.