4.2x2.2mm Coil / Cable Heaters With J Type Thermocouple And White Silicone Varnished Cable
1. Coil Heater Brief Introduction
Coil/Cable heaters could be coiled, to form coil heaters that are ideal whenever a large amount of heat is required in a confined space. Coil heaters have many applications but are mostly utilized as powerful heating cells inside hot runner nozzles in plastic injection molding.
Coil/Cable heaters are high performance mini tubular heaters that have small rectangular, square or round cross sections that are flexible and can acquire different shapes and configurations.
Coil/Cable heaters can accommodate "J" type or "K" type thermocouple sensors that could be placed internally at the tip or the middle of a heater. They can be made as well to have profiled or distributed wattage configuration.
The sheath material of standard cable heaters is stainless 304; their heating core is coiled or straight solid Nickel Chrome wire. Cable heaters can transmit up to 35 W/in2 heating capacity and can attain up to 15000F surface temperature.
2. Coil Heater Characteristics
3. Coil Heater Parameter.
Spring coil heater (H series) | 3.0x3.0 | Φ3.0 | Φ4.0 | Φ5.0 | 3.5x3.5 | 5.0x5.0 |
Voltage | 220V,230V,240V | |||||
Power tolerance 115W-200W | +/-10% | |||||
Power tolerance 201W-2000W | +5%-10% | |||||
Out jacket length | 30mm~280mm | |||||
Diameter of the inner sleeve/wrapped diameter | 10mm~42mm | |||||
Unheating length | 45mm | |||||
Max power density | 9W/cm² | |||||
Heating Length tolerance | +/-0.05mm | |||||
Unheating length tolerance | +/-2.5% | |||||
Tolerance ID d ≤20mm | Without inner sleeve:-0.15mm | |||||
Tolerance ID d 20mm~30mm | Without inner sleeve:-0.20mm | |||||
Tolerance ID d ≥30mm | Without inner sleeve:-0.25mm | |||||
Tolerance cross section | +/-0.15mm | +/-0.20mm | ||||
Thermocouple | K,J,E | None | ||||
Material | 304,321,316 | |||||
Maximum working temperature | 650℃ | |||||
Die electrical strength | 800V | 1000V |
4. Spring Coil Heater Application
This Heating Coil is widely applied for hot runner system, plastic industry, packaging machinery, medical
equipment, casting process,other electric heating industry, etc..