Universal Retrofit Advantage of All Keqi Cold Glue Dispensing Equipment for Old Folder Gluers

All Keqi cold glue series including pumps (HB6/HB9) and dispensing valves (PJ-4000, PJ-4100, Q-series, PJ-4200, KQ-PJ23) are designed for plug-and-play inline retrofitting on both brand-new and aging domestic & imported folder gluers, solving factory hesitation over full machine replacement for gluing function upgrading.Universal standardized mounting brackets come standard for every model, requiring no destructive frame cutting or large-scale mechanical reconstruction. Installation only needs simple fixed bracket assembly and signal wiring, completing full cold glue system transformation within one shift to avoid long production shutdown losses.

Each component operates with independent control signals and will not interfere with the original folder gluer’s mechanical and electrical system.Factories select matching combinations according to their core products: KQ-PJ23 for corrugated flexo lines, PJ-4200 for laminated luxury boxes, Q-series for small-batch low-budget workshops, and HB9+PJ-4000 combo for high-speed mass export lines. All valves support flexible addition or removal of gun quantity later as order volume expands, with strong equipment scalability.Small workshops and large printing groups alike benefit from this low-cost retrofitting solution.

Upgrading old machines with Keqi cold glue dispensing equipment eliminates inconsistent manual and roller gluing defects, stabilizes finished carton bonding quality, and drastically shortens the investment payback cycle for post-press automation transformation.