ruby quartz halogen infrared heat lamp for pet blowing machine

ruby quartz halogen infrared heat lamp for pet blowing machine

We built this ruby quartz halogen infrared heat lamp for one reason: to meet the real-world demands of PET blowing machines. This isn’t some general-purpose heater you can throw at anything. It’s a focused thermal tool, designed to melt preforms fast—and keep them melting consistently, cycle after cycle. Here’s the thing about the power setup. These lamps are built for high heat density. A typical unit runs at 400V and 2500W, giving you the wattage needed to hit preform temperature quickly. The 300mm tube length matches the heating zone of most blowing heads, so you get even coverage without hot spots. Going with high voltage means lower current draw. That keeps the wiring lean and the terminals running cooler. But there’s a trade-off. The control gear and socket have to be rated for 400V, and your machine’s cooling needs to handle the extra ambient heat. Plan for that, and you’re good. Now, let’s talk about what makes it hold up. The quartz envelope handles rapid heating and cooling, and it takes the shock of repeated start-ups without blinking. The halogen cycle keeps the filament stable, so output stays consistent over time. And the ruby coating? It filters out visible light and pushes more shortwave infrared forward. That means more energy goes straight into the PET preform, not into heating the air around it. The R7s connector is a straight-through, double-ended design that makes the lamp a true drop-in replacement. Wire it up, align the contacts, and lock it into the reflector. Simple. No fuss. On the PET blowing floor, this lamp gets preforms into the stretch-blow temperature window fast, with tight control over the heating profile. The shortwave infrared penetrates the preform wall, so you get uniform softening and shorter cycle times. Its compact size fits into tight machine bays, and the R7s interface keeps maintenance straightforward. You get high output and steady performance—just make sure you’ve got solid airflow and proper electrical insulation in place.