PJ-4000 High Pressure Electric Cold Glue Dispensing Valve – Precision Dot & Line Gluing for Folder Gluers

The PJ-4000 high-pressure electric dispensing valve is the core gluing component for modern high-speed folder gluer production lines, solving inconsistent glue output and overflow defects of traditional roller gluing systems. It adopts electromagnetic high-frequency control to realize non-contact dot and line cold glue spraying, with spraying accuracy controlled within ±1mm, delivering uniform thin glue tracks on laminated, UV-coated and silver cardboard cartons

This electric valve supports maximum working pressure up to 32 Bar and maximum spraying frequency of 500Hz, perfectly matching line speed up to 300m/min. Unlike pneumatic glue guns, its electric drive ensures stable glue flow without fluctuation caused by air pressure changes. The modular compact structure occupies tiny installation space, supporting direct retrofitting on new and old folder gluers without frame reconstruction.Operators store up to 500 sets of gluing parameter recipes on the central touchscreen; one-click recall drastically reduces model changeover time. The detachable nozzle design simplifies daily cleaning, only requiring quick wiping instead of full tank flushing, cutting maintenance labor by over 60%. It works seamlessly matched with HB6 medium-pressure and HB9 high-pressure glue pumps to form a complete stable cold glue supply system.Widely applied to cosmetic boxes, wine cartons, pharmaceutical packaging and e-commerce folding boxes, PJ-4000 cuts cold glue consumption by 30%-50% compared with roller gluing. Factories eliminate carton degumming complaints caused by insufficient glue and overflow-induced printing contamination, improving finished carton qualification rate and lowering long-term raw material costs.