Keypack Intelligent Granule Pneumatic VFFS Packaging Machine is a vertical form-fill-seal machine designed for cost-effective automated granule packaging with pneumatic control. It delivers reliable packaging performance at 20-40 bags per minute with ≤±1% weighing accuracy and PLC servo drive system for precise control. Ideal for food industry granule packaging including candy, puffed snacks, roasted nuts, pharmaceutical pills packet filling, and chemical granule packaging applications.
Product Overview
This VFFS machine (Vertical Form-Fill-Seal Machine) is engineered as an economical vertical packaging machine for small to medium-scale production lines requiring stable and durable granule packaging solutions. The KL-300K model features pneumatic control technology that provides cost-effective operation with easy maintenance requirements, making it an ideal entry-level packaging solution for manufacturers transitioning to automated packaging systems. The Keypack Intelligent (Kunbupack) Pneumatic Packaging System combines proven vertical packaging technology with modern PLC control for reliable performance across diverse granular product applications.
Constructed with full stainless steel 304 body, this vertical packaging machine ensures durability and compliance with food safety standards for pharmaceutical and food industry applications. The machine accommodates versatile packaging materials including Paper/PE, PET/AL, Foil/PE, Nylon/PE, and tea-leaf filtering paper, providing flexibility for different product protection requirements and shelf-life specifications. The compact bag size range of 30-150mm width × 50-165mm length makes it suitable for single-serve portions, sample packets, and small retail packages across food, pharmaceutical, and chemical sectors.
The pneumatic machine features integrated safety protection systems that comply with enterprise safety management requirements, ensuring operator protection during continuous production operations. The large touchscreen display interface allows storage of multiple product packaging parameters, enabling quick changeover between different products without resetting process parameters. This cost-effective vertical form-fill-seal machine can be configured with corresponding metering systems and conveying systems based on product characteristics, automatically completing metering, filling, bag forming, gas flushing or air evacuation, and date coding in a single integrated process.
Product Specifications
| Specification |
Parameter |
| Model |
KL-300K Vertical Automatic Packaging Machine |
| Machine Material |
Stainless Steel 304 |
| Control Type |
PLC System with Servo Drive |
| Bag Size Range |
Width: 30-150mm × Length: 50-165mm |
| Weighing Accuracy |
≤±1% |
| Packaging Speed |
20-40 bags/minute |
| Power Supply |
Single Phase 220V / 50Hz |
| Power Consumption |
1.5 Kw |
| Applicable Packaging Materials |
Paper/PE, PET/AL, Foil/PE, Nylon/PE, Tea-leaf filtering paper |
| Standard Features |
Color mark detection, Standard ribbon date coding, Sponge air exhaust |
Application Areas
-
Food Industry - Candy Packaging: Vertical packaging machine for hard candy, soft candy, gummy bears, and confectionery granules in single-serve sachets for retail distribution
-
Food Industry - Puffed Snacks Packaging: VFFS machine for puffed rice, corn puffs, cheese balls, and expanded snack products with air cushion protection in pillow bags
-
Food Industry - Cookie and Biscuit Packaging: Granule pneumatic packaging for small cookies, mini biscuits, and cracker pieces in moisture-barrier film for extended shelf life
-
Food Industry - Roasted Nuts and Dried Fruits Packaging: Vertical form-fill-seal machine for roasted peanuts, cashews, almonds, dried fruits, and trail mix in nitrogen-flushed packages
-
Food Industry - Sugar and Seasoning Packaging: Pneumatic packaging machine for granulated sugar, salt packets, seasoning granules, and condiment sachets for foodservice and retail
-
Pharmaceutical Industry - Granule Medicine Packaging: Pills packet filling machine for Banlangen granules, Chaihu granules, herbal medicine granules, and pharmaceutical powder sachets with GMP-compliant materials
-
Chemical Industry - Hardware Packaging: Chemical granule packaging for small screws, bolts, washers, and hardware components in protective film pouches for industrial distribution
-
Agricultural Industry - Seed Packaging: Seed packaging machine for vegetable seeds, flower seeds, and agricultural seed packets in moisture-resistant film for retail garden centers
-
Agricultural Industry - Grain and Feed Packaging: Grain packaging machine for sample grain packets, feed pellet samples, and agricultural product sachets for testing and distribution
-
Chemical Industry - Granular Chemical Packaging: Feed packaging and chemical packaging for fertilizer granules, water treatment chemicals, and industrial additives in sealed moisture-proof bags
Key Features and Machine Characteristics
1. Pneumatic Control for Cost-Effective Operation
This economical pneumatic machine utilizes pneumatic control technology instead of complex electronic systems, significantly reducing initial investment costs and ongoing maintenance expenses. The pneumatic control system provides reliable, stable operation with fewer electronic components subject to failure, making it ideal for manufacturers seeking cost-effective packaging automation without sacrificing performance quality. The simplified pneumatic architecture ensures easy maintenance with standard compressed air components readily available worldwide.
2. PLC Servo Drive System for Precision Control
Equipped with advanced PLC servo drive system and large touchscreen display interface, this vertical packaging machine maximizes control precision for consistent bag formation and sealing quality. The PLC system enables precise film feeding, accurate cutting positions, and synchronized sealing operations, ensuring uniform package appearance and reliable seal integrity across production runs. The servo drive technology provides smooth acceleration and deceleration, reducing film waste and mechanical stress for extended component life.
3. Multi-Product Parameter Storage and Quick Changeover
The touchscreen control interface stores packaging process parameters for multiple products, enabling rapid changeover between different granule types, bag sizes, and filling weights without manual recalibration. Process parameters are automatically backed up and synchronized, eliminating setup errors and reducing changeover time from hours to minutes. This feature is particularly valuable for contract packagers and manufacturers with diverse product portfolios requiring frequent format changes throughout production shifts.
4. Full Stainless Steel 304 Construction
The complete stainless steel 304 machine body ensures durability, corrosion resistance, and compliance with food safety and pharmaceutical GMP standards. The hygienic design facilitates easy cleaning and sanitation, preventing product contamination and cross-contamination between different products. The robust stainless steel construction provides long service life even in demanding production environments with exposure to moisture, temperature variations, and frequent washdown procedures, making it suitable for food, pharmaceutical, and chemical applications.
5. Integrated Safety Protection Systems
This vertical form-fill-seal machine incorporates comprehensive safety protection features that comply with enterprise safety management requirements and international safety standards. Safety interlocks prevent operation with guards open, emergency stop buttons provide immediate shutdown capability, and overload protection safeguards electrical and mechanical components. The safety-first design protects operators during routine operation, maintenance, and troubleshooting procedures, reducing workplace accidents and ensuring regulatory compliance.
6. Versatile Film Compatibility and Standard Features
The VFFS machine accommodates diverse packaging materials including Paper/PE for eco-friendly applications, PET/AL for high-barrier protection, Foil/PE for light-sensitive products, Nylon/PE for puncture resistance, and tea-leaf filtering paper for breathable sachets. Standard equipment includes color mark detection for accurate film registration, ribbon date coding for product traceability, and sponge air exhaust for improved package appearance. This versatility enables manufacturers to select optimal packaging materials based on product characteristics, shelf-life requirements, and cost considerations.
Customization and Options
The granule pneumatic packaging machine can be configured with various metering systems based on product characteristics: volumetric cup fillers for free-flowing granules, auger fillers for fine powders, multi-head weighers for high-accuracy applications, and vibratory feeders for fragile products. Optional modules include nitrogen gas flushing systems for extended shelf life, vacuum evacuation for compressed packages, zipper applicators for resealable pouches, and tear notch devices for easy opening. The machine supports integration with upstream product conveyors, metal detectors, checkweighers, and downstream case packing equipment for complete automated packaging lines.
Delivery and Support
Each vertical packaging machine includes comprehensive installation support, operational training for production staff, and complete technical documentation including operation manuals, maintenance schedules, electrical schematics, and pneumatic diagrams. Standard delivery package covers machine installation, calibration for customer-specific products and films, parameter optimization, and hands-on operator training to ensure efficient production startup. Ongoing technical support includes remote troubleshooting assistance, readily available spare parts inventory for critical wear components, and preventive maintenance programs to ensure long-term reliability and optimal packaging performance throughout the equipment lifecycle for food packaging, pharmaceutical pills packet filling, seed packaging, grain packaging, feed packaging, and chemical packaging applications.