Getting Your Sidel Combi SF300 Back Up and Running
When you’re running a Sidel Combi SF300, you know that heating is everything. If the preforms aren’t softened just right, you’re looking at scorched plastic or a bottle that just won’t blow correctly. It’s a delicate balance. That’s why we built our infrared lamps to be simple, direct replacements. No hacking, no modifications—just a part that fits and does the job. The power side of things The SF300 has a very specific “sweet spot” for heat. We match the voltage and wattage of the original oven exactly so you aren’t guessing. By using a high-wattage halogen filament, we can throw a lot of shortwave heat right into the PET preform. It happens fast. But a quick heads-up: keep an eye on your power supply. If your voltage is jumping around, it’ll chew through those filaments way faster than it should. Glass, fit, and the “little things” We use heavy-wall quartz glass because halogen gas creates a lot of internal pressure. It needs to be tough. Some of our tubes even have a special coating that bounces the heat back toward the preform instead of letting it leak into the oven chassis. As for the fit? We use the standard R7s or Sk15 connectors. You just plug them in. One tip from experience: check your sockets before you pop the new lamp in. If they’re dirty or oxidized, you’ll get arcing. That’s a fast track to a dead lamp. Give the contacts a quick clean first. Real-world blowing Most blowing equipment uses similar lengths and heat profiles, which is why our lamps work with about 95% of the machines out there. They give you the heat density you need to keep your cycle times fast. Just be mindful of your cooling fans. If you’re pushing these lamps to their absolute max wattage, your oven is going to get hot. If your fans can’t keep up, the ambient temperature climbs and your preforms might start to deform. We keep these in stock. We know how frustrating it is to wait weeks for an OEM part while a machine sits idle, so we make sure you can get these and get back to work immediately.