Extruder Cast Aluminum Barrel Band Heater Core Value
The Extruder Cast Aluminum Barrel Band Heater is specifically designed for cylindrical industrial equipment such as extruder barrels, injection molding cylinders, and blown film dies. By casting high-density tubular heating elements directly into a precision-machined aluminum alloy body, it eliminates air gaps and ensures rapid, seamless thermal conduction across the processing surface. Operating at working temperatures up to 350°C (662°F), the superior thermal conductivity of Extruder Cast Aluminum Barrel Band Heater provides quick ramp-up times and precise temperature control, preventing resin degradation while boosting throughput. BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE and UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS for continuous, maintenance-free industrial operation.
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✓Exceptional Thermal Uniformity: 360° even heat distribution eliminates hot spots and thermal degradation
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✓ Precision Fit: Barrel profile directly conforms to extruder barrels for maximum contact heat transfer.
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✓ Fast Response: High thermal conductivity (approx. 160 W/mK) delivers quick temperature adjustments.
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✓ Energy Efficient: Contoured tight contact minimizes radiation heat loss and optimizes power use.
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✓ Rugged Construction: Excellent resistance to mechanical shock, vibration, and thermal stress.
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✓ Reliable Quality: Backed by 30+ years of factory manufacturing experience.
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✓ Flexible Customization: Multiple termination options (post terminals, leads) and size configurations available.
Technical Specifications & Performance Data
| Parameter | Standard Value | Customizable Range | Notes |
| Heater Type | Cylindrical Band / Ring | Flat Plate / Half-Shell | Conforms to barrel surface |
| Body Material | Cast Aluminum Alloy (AlSi10Mg / ZL104) | Cast Bronze (for higher temps) | Porosity-free casting |
| Max Operating Temp | 350°C (662°F) | Up to 400°C short-term peak | Prevents alloy warping |
| Max Watt Density | 3.5 – 4.5 W/cm² | Up to 5.5 W/cm² | Uniform surface heat flux |
| Voltage Rating | 220V / 380V AC (1-Phase / 3-Phase) | 110V – 600V | Multi-zone wiring optional |
| Core Element | Seamless SS304 / Incoloy Tube | Swaged High-Density Core | Compacted MgO insulation |
| Termination Type | M5 Screw Post Terminals | Ceramic Block / High-Temp Leads | Heat-resistant ceramic insulators |
| Surface Finish | Precision Lathe Machined | Polished / Teflon Coated | Ensures minimal thermal resistance |
| Cooling Options | Natural Convection | Air Fins / SS Water Tubes | Dual heating & cooling setup |
| Dimensions (ID) | Ø110 mm (as shown in image) | Ø50 mm – Ø1000 mm | Built to specified barrel dimensions |
Industrial Applications
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Plastic Extrusion Barrels: Provides a stable melt temperature profile for pipes, sheets, profiles, and compounding lines.
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Blown Film Die Heads: Maintains precise circumferential temperature for uniform gauge thickness and optical film clarity.
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Recycling Pelletizers & Granulators: Heavy-duty construction handles severe vibration and contaminated resin melt environments.
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Rubber Vulcanizing & Processing: Delivers uniform heating around cylindrical rubber processing equipment.
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Cylindrical Vessel & Pipe Heating: Ideal for industrial liquid tanks, pumps, and chemical processing pipelines.
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Installation & Maintenance Guidelines
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Surface Preparation: Clean the barrel surface and heater inner diameter thoroughly to remove oil, carbon buildup, or old thermal paste before mounting.
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Uniform Clamping: Position the band heater on the barrel and tighten clamping hardware evenly. Re-torque clamping bolts after reaching initial operating temperature to account for thermal expansion.
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Wiring Protection: Use high-temperature nickel-plated lugs and fiberglass-sleeved wire. Ensure terminal studs are securely insulated to prevent accidental grounding or shorting.
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PID Control Setup: Position thermocouples securely in pre-drilled thermowells for accurate closed-loop control and over-temperature protection.
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Routine Inspection: Periodically check clamping tightness and inspect electrical terminals for oxidation or loose connections.
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Customization & OEM Ordering
This heater (reference Ø110 mm with M5 post terminals shown) is fully customizable. Please provide the following details for a prompt quote:
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Inner Diameter (ID) & Width: Barrel outer diameter and required contact width.
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Electrical Specs: Total wattage and operating voltage (1-Phase / 3-Phase).
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Terminal Style: Post terminals, high-temp leads (specify length), or terminal box enclosure.
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Special Features: Air/liquid cooling channels, thermocouple holes, or cutout notches.
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Get in Touch:
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📧 Request Custom Quote – Send your dimensions and specifications.
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🔧 Free Application Review – Get expert engineering advice on watt density and thermal fit.
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📦 Sample Orders Available – Verified quality before bulk production.
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📞 24/7 Technical Support – Fast response within 2 hours.
Leading Manufacturer & Export of Industrial Heaters
Providing A One Stop Solutions To All Industrial Heaters Needs
SINCE 1990 Professional Heater Producer | Our Products Undergo Multiple Rigorous Quality Checks
