Glass tube sealing lamp

Thu, 23 Jul 2026 10:15:48 +0800

How to Actually Handle Ultra-Long Infrared Heating for Glass Sealing

If you’re running a glass tunnel kiln, you know the struggle with standard infrared lamps. They’re fine for small jobs, but once your heating zone hits that 2-meter mark, things get messy. You can’t just keep slapping short lamps end-to-end. If you do, you’ll end up with cold spots and weird temperature dips that ruin your seal. It’s a headache. That’s why we build continuous infrared units specifically for these massive glass tube setups. Getting the heat right The trick is all in the watt density. When you’re heating across a 2-meter span, you need the heat to be steady. We play around with the filament length and the winding pitch so the heat stays linear. If you just cram too much wattage into one long unit, the filament starts to sag. Worse, it might just burn out right in the middle. We balance the voltage and wattage so the thermal profile stays flat and predictable. No surprises. The build quality We use high-purity quartz glass because, frankly, the heat is intense. But it’s not just about the glass; it’s about how the thing sits in your machine. A 2-meter tube is heavy. If the chassis isn’t right, the tubes will bow under their own weight. We use heavy-duty supports and specific connectors to make sure everything stays put, even when the metal expands and shifts as it gets hot. The real-world stuff Here is the part people often forget: wiring. When you move to a 2-meter+ unit, your power draw changes. You have to make sure your power supply can take that initial hit of inrush current without popping a breaker and shutting down your whole line. Plus, these units put out a massive amount of heat. If your kiln’s ventilation isn’t up to the task, the air around the housing gets too hot and kills the lamp’s lifespan. We design these to be drop-in replacements. When a unit finally wears out, you can swap it quickly and get back to work without spending half the day on repairs.

Sealing on Quartz Heater Technology Core

Glass tube sealing lamp

How to Actually Handle Ultra-Long Infrared Heating for Glass Sealing