Bethlehem | Pennsylvania- June 2024 – Vastex EconoRed™ conveyor dryers are now equipped as standard with an adjustable exhaust for optimizing the curing of printed textiles, DTF films and/or powdered adhesives, while cooling the skin of the enclosure and minimizing wasted heat.
Using a damper control knob, the user can adjust the volume of exhausted air from 100 percent to 10 percent to remove all fumes emitted in the heating chamber according to the size, weight, throughput and ink type of DTG and screen-printed garments, and/or the dwell time needed to cure powdered adhesives of DTF images or screen-printed transfers. Excess air flow unnecessary for exhausting of fumes is diverted and filtered to cool the double-wall skin of the heating chamber for worker safety.
“A wide range of variables determines the amount of exhaust air needed for any given run, from high-capacity evaporation and curing of water-based pretreatment and DTG-printed inks, to powdered DTF adhesive and screen-printed transfer films that off-gas significantly yet must be prevented from lifting off the conveyor belt due to high volumes of exhausted air,” says Mark Vasilantone, Vastex president.
Together with digital control of heater temperatures in one-degree increments and variable belt speeds from 1.8 to 23 feet per minute, the adjustable exhaust allows operators to fine-tune all critical drying parameters on a job-to-job basis, while accommodating the differing exhaust requirements of systems having multiple heating chambers.
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