Stop Fighting Your SIPA Rotary Heaters
If you’re running SIPA rotary machines, you know that thermal stability is everything. When your infrared lamps aren’t hitting the exact power specs they’re supposed to, you start seeing “cold spots” on your PET preforms. It’s a nightmare. You end up with uneven walls, bottles that fail pressure tests, and a lot of wasted plastic. We fix this by making quartz heater tubes that actually stay consistent. No surprises, no “almost right” power levels—just steady heat across the whole batch.
Why “close enough” isn’t good enough
Here is the thing: if you mix lamps and there’s even a tiny 5% difference in wattage, your heat distribution goes sideways. We build our tubes to incredibly tight tolerances. We make sure every single lamp in the bank pulls the same current and puts out the same intensity. The result? A flat thermal profile. You can finally stop messing with the controller settings, trying to “trick” the machine into compensating for one dying or mismatched lamp. It just works.
Built for the grind
We use high-purity quartz glass because these things take a beating with constant rapid cycling. The filaments are calibrated specifically for your SIPA voltage, and we use standard industrial connectors. They are true drop-in replacements. You pull the old ones out, wire the new ones in, and you’re back in business. No hacking the lamp holders or making “creative” modifications.
A quick tip from the field
These tubes are designed for the high-stress world of PET blowing. We push a lot of heat density into a small space, which is great for production, but it does put a load on your cooling fans. Check your ventilation. If your fans are clogged or under-powered, that heat has nowhere to go, and you risk frying your surrounding wiring. Keep the airflow clear, and your lamps will last much longer. When the power is matched and the air is moving, your preforms come out perfect every single time.