How to replace Sidel IR lamp

Fri, 24 Jul 2026 11:20:05 +0800

Stop Fighting with Your PET Blowing Ovens

Ever pull a batch of bottles off the line and see those annoying cold spots or, worse, burnt sections? It’s frustrating. When your wall thickness is all over the place or the bottles are warping, you know something is off. Usually, it comes down to the IR lamps. Either the spectral output is drifting, or the quartz envelope is just worn out. The secret is in the heat. We don’t believe in “close enough.” We build our replacement lamps to fit the exact footprint of Sidel and KHS specs because a millimeter of difference can ruin your heat field. Whether you’re running 230V or 400V, the goal is the same: the filament needs to stay at a steady temperature from one end to the other. We use high-purity quartz so the infrared radiation actually gets into the PET instead of just bouncing off or creating those nasty hotspots. No fancy mods required. You don’t need to rewire your oven or spend hours tinkering with the housing. We use standard R7s or SK15 connectors, so they just slide right in. But here is where we really focus: the filament geometry. Cheap tubes often have a “dip” in heat output in the middle. We tightened the winding tolerances to kill that dip. Now, you get a flat, consistent heat field across the entire tube. One quick tip: these lamps push a lot of heat to help you speed up your cycle times. Just keep an eye on your ventilation. More wattage in a small space means your cooling blowers have to work a bit harder. What this means for your shift. When you swap out those old, tired OEM lamps for these, the “uneven heating” headache mostly disappears. You get a stable heat soak, which means way less scrap hitting the floor. We build these to take a beating in 24/7 production. They’re tough. Just do yourself a favor and keep the quartz clean. A little carbon buildup can block those IR waves, and that’s the last thing you need when you’re trying to hit your numbers.

How on Pro-Grade Warm IR Heating

How to replace Sidel IR lamp

Stop Fighting with Your PET Blowing Ovens