High-Performance Cast-In Heaters: Precision Thermal Solutions
High-Performance Cast-In Heaters: Precision Thermal Solutions
| Technical Specs | Range / Typical Values |
| Max Temp | 400∘C (Alu) / 650∘C (Bronze) |
| Uniformity | Excellent (Metal-to-metal contact) |
| Shape | Platen, Half-Shell, or Custom Block |
Superior Thermal Uniformity: The high thermal conductivity of the casting alloy ensures an exceptionally even temperature profile across the entire surface, preventing “hot spots” that can damage sensitive materials.
Extreme Durability: Encapsulating the heating elements protects them from mechanical shock, vibration, oxidation, and corrosive contaminants, significantly extending the operational lifespan compared to band heaters.
Integrated Cooling Options: Available with internal stainless steel cooling tubes (liquid cooling) or external fins (air cooling) for precise, rapid temperature cycling—essential for high-speed plastic extrusion.
Custom Geometric Precision: Our CNC-machined contact surfaces ensure a perfect fit for any cylindrical, flat, or complex-shaped component, maximizing heat flux efficiency.
| Feature | Cast-In Aluminum | Cast-In Brass/Bronze |
| Max Operating Temp | Up to 700°F (370°C) | Up to 1200°F (650°C) |
| Max Watt Density | ~35 W/in² (5 W/cm²) | ~60 W/in² (9 W/cm²) |
| Common Shapes | Cylindrical (Band), Flat, L-Shape | Cylindrical, Rectangular |
| Best For | Plastic Processing, Food Warming | High-Temp Die Casting, Packaging |
Plastics & Rubber: Extruder barrels, blow molding heads, and injection molding nozzles.
Semiconductor: Wafer processing plates and chemical vapor deposition (CVD) environments.
Food Industry: Professional-grade waffle bakers, heating platens, and industrial fryers.
Heat Exchangers: Liquid heating in demanding oil and gas or laboratory environments.
For critical industrial processes, a heating element is only as good as its durability and control. At Runkel, we specialize in high-spec thermal engineering. From high-vacuum environments to hazardous explosion-proof zones, we provide fully customized heaters integrated with bespoke Control Cabinets for a true “plug-and-play” experience.
The Total Solution: Integrated Control Cabinets. We don’t just provide the heat; we provide the brain. To ensure your heating system operates safely and accurately, we offer Custom-Built Control Cabinets tailored to your specific heater:Precise Control: PID or PLC-based systems for temperature accuracy within $\pm 1$°C.Safety First: Integrated over-temperature protection, leakage circuit breakers, and emergency stops.User Interface: Digital displays, HMI touchscreens, or remote monitoring capabilities.Custom Voltage: Built to match your local industrial power standards (e.g., 220V, 380V, 440V, or 480V).
“Complex Requirements, Simple Execution.”
Direct Replacement of Legacy Parts:
If your imported equipment has a failed flanged heater or a specialized vacuum element that is too expensive or slow to source from the OEM, we can reverse-engineer and manufacture a replacement that meets or exceeds the original specs.
Material Excellence:
We select materials based on your environment—whether it’s Incoloy 800 for high-temperature oxidation or Pure PTFE for chemical longevity.
Start Your Custom Build Today
Whether you need a replacement Defrost Heater for a cold storage unit or a complete Explosion-Proof Circulation System with a control panel, we are ready to assist.