Q1: What is the biggest difference between PQ20-C and other standard cold glue valves?
A1: PQ20-C adopts side nozzle + full-valve rotary structure to complete circular inner gluing inside closed sleeves and round boxes. Ordinary straight-head valves only dispense linear glue on outer flat surfaces and cannot reach inner circular edges.
Q2: What glue patterns can PQ20-C realize?
A2: It supports both continuous line gluing and intermittent dot gluing, adjustable via matched cold glue controller. The rotary movement mainly forms circular closed glue tracks.
Q3: What voltage, pressure and frequency parameters does it adopt?
A3: Support 12V / 24V dual voltage; maximum working pressure 32 bar; maximum switching frequency 500Hz, suitable for medium-speed automatic box forming lines.
Q4: Can PQ20-C be directly connected to packaging machine PLC?
A4: Yes. Matched pneumatic solenoid receives standard trigger signals, which can link to PLC without additional conversion modules, excellent for OEM custom machinery supporting.
Q5: Can PQ20-C be mounted upside down in narrow machine spaces?
A5: Yes. 32-bar high-pressure feeding eliminates gravity impact, supporting all-angle installation to fit compact inner equipment frames.
Q6: What glue material is compatible with PQ20-C?
A6: It matches water-based packaging cold white latex with viscosity ≤5000mPas;
Q7: How to clean the rotary side nozzle to avoid clogging?
A7: Flush the whole rotary valve body and side nozzle with clean water after daily shutdown. Disassemble the nozzle assembly for deep cleaning if the equipment stays idle for more than 24 hours.
Q8: What are the main consumable spare parts of PQ20-C?
A8: Side nozzles, internal needle sealing rings, rotary shaft gaskets and solenoid valve sealing parts. Spare parts are low-cost and easy to stock for routine maintenance.
Q9: Which customers are most recommended to select PQ20-C?
A9: Factories producing round rigid boxes, paper tube sleeves, cylindrical gift packaging and special-shaped enclosed cartons that require full-circle inner edge gluing; OEM machinery manufacturers developing rigid box forming equipment.