Product Details
SUWAIE's Coil heaters are Superior Quality Coil Heaters design with inbuilt thermocouple. These heaters stand out due to their high performance, guaranteed quality and best services. These small diameters, high performance coil heaters are designed for individual application and manufactured for optimum performance. These heaters are fully annealed and bent to your desire configuration.
Applications
- Hot Runner Moulds
- Hot Sprue Bush
- Hot Tips
- Packaging Industries

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Technical specifications
- Sheath material: Stainless Steel 304
- Insulatation material: High quality MgO
- Heating element: NiCr 80: 20
- Connection leads: Nickle wire with PTFE Coating Cable
- Voltage: 110 to 440 volts
- Surface Load: Upto 30 w / In2
- Power tolerance: ± 10%
- Thermocouples: 'J' type, 'K' type.
- Insulation resistance: > 5 MW
- Length Tolerance: ± 2%
- Sheath temperature: 700 deg.
Features of Product
1. Standard sizes available with various cross section;
2. Various Watt Density options available;
3. Design with Terminal Exits;
4. Available with built in Thermocouple;
5. Designed for even heat appearance.
Item description | Spring coil element |
Main application | Mainly used in injection moulding machine, hot runner nozzles and bushings, packaging machine, hot runner injection moulds, injection & blow moulding machine nozzles, hot runner manifolds etc. |
Sectional area | 3X3, 4.2X2.2, 4X2, 4X2.7, 4X2.5, 3.3X3.3, 3.5X3.5 |
Min. Inner Diameter | 8mm |
Sheath material | SS304 |
Insulation material | High pure MgO |
Resistance wire | Cr20Ni80 |
Max. Sheath Temp. | 700degrees |
Dielectic Electrical Strength | 800V. A/C |
Dimensional Tolerance | Coil ID. +/-0.1~+/-0.2mm; |
Wattage tolerance | +/-10%(+/-5% available upon request) |
Voltage & Wattage | 12-380V/70-1000W |
Build-in thermocouple power | With or Without J/K Type Thermocouple. |
Sheath length | 500/1000/1200/1500/2000mm |
Available Sheath Material | Stainless steel braided/Fiberglass braided/Silicone sheath/Armor sheath/Dual terminal/Dual terminal teflon insulated. |
Hot runner spring heater sizes:





Process and test show


Packing and shipment

Why so many clients choose SUWAIE?
Our heating element has applied many countries in the world. Many countries have our projects.
Suwaie heating element advantage
-------Service
Our engineer will be on your service. We can give you technology support at any time.
We will be tracking your orders, from the pre-sale to the after-sale and also serve you in this process.
--------Price
Our price is based on the quantity, We have the basic price for 1000pcs. What is more, free power and fan will send to you. The cabinet will be free.
--------Quality
Quality is our reputation, we have eight steps for our quality inspection, From material to the finished goods. Quality is what we pursuit.
Choose SUWAIE, you choose the cost-effective , high quality and good service.
FAQ
1. Q: Do you accept OEM manufacturing?
A: Yes! We do accept OEM manufacturing. We will quote you the exact price and make the exact heating elements to your specification and drawing.
2. Q: Have your sale team and service team for you company?
A: Yes, we have sales team and service team, also we have technology D&R team, for service our clients
3. Q: What’s the shipping process?
Ⅰ. For LCL cargos, we arrange reliable logistics company to drive them to the forwarder agent’s warehouse.
Ⅱ. For FLC cargos, the container directly go to the Factory loading. Our professional loading workers, accompanied with our forklift workers arrange the loading in good order even on the condition that daily loading capacity is overloaded.
Ⅲ. Our professional data management is a guarantee of the real-time update and the unification to all the electrical packing list, invoice.
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