Weibang is a professional filling machine and packaging machine manufacturer in China since 2005.
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Weibang is a professional filling machine and packaging machine manufacturer in China since 2005.
WB-420 vertical form fill seal machine with servo double-belt film pulling, PLC touchscreen control. Ideal for pet food, tea, coffee and granular products. Speed 10-60 bags/min, food-grade stainless steel, customizable options.
Introduction
WB-420 Vertical Form Fill Seal Machine for Pet Food Pillow Bag Packaging
As the global pet food industry continues its rapid growth, manufacturers of dry pet food (kibble) face increasing demands for higher packaging efficiency, precision dosing, and fully automated production lines. This is especially true for sample sachets and small-format pillow bags, where lightweight products and large production volumes make semi-automatic packaging equipment insufficient for modern manufacturing needs.
The WB-420 Vertical Form-Fill-Seal (VFFS) machine represents the gold standard for roll-stock packaging, completing bag forming, weighing, filling, sealing, and cutting in a single continuous process. For pet food manufacturers looking to boost production capacity while reducing labor costs, this high-quality VFFS packaging line is an essential investment.
Pet Food Industry: Dog food, cat food, pet treats, sample sachets, kibble
Food & Beverage: Tea, coffee, nuts, candy, potato chips, rice, seasonings, sugar, salt
Pharmaceutical Industry: Granules, herbal medicine pieces, powdered supplements
Daily Chemical Industry: Detergent powder, fertilizer, chemical granules
Hardware Industry: Screws, nuts, small hardware components
We have provided professional packaging solutions to manufacturers across dozens of countries worldwide, with proven equipment reliability and outstanding customer satisfaction.
Our WB-420 vertical form fill seal machine features a roll-fed design that transforms flat laminate film into finished pillow bags in one seamless operation, requiring minimal manual intervention.
The complete automatic working flow includes: bag forming → film pulling → sealing & cutting → counting → finished product output. One machine handles all packaging procedures, significantly reducing labor costs.
Bag Type: Back seal pillow bags and gusset bags (no zipper, no stand-up gusset)
Film Compatibility: Laminate film, 0.04-0.11mm thickness
Maximum Film Width: Up to 420mm, suitable for various bag specifications
Weighing accuracy: ±0.5g to ±1g (depending on product characteristics)
Weighing range: 10g to 2000ml per bag
Synchronized speed: Matches packaging machine output without bottlenecks
AISI 304 stainless steel contact parts for food-grade safety compliance
Stable Output: 10-60 bags per minute (varies by bag size, product type, and dosing method)
Bag Length: Adjustable from 80mm to 300mm via touchscreen
Bag Width: 80-200mm, achieved by changing the bag former
Multiple recipe storage for one-click switching between different product parameters
| Specification | Details |
|---|---|
| Model | YB-420 |
| Maximum Packing Volume | ≤2000ml |
| Packaging Speed | 10-60 bags/minute |
| Bag Making Size | Length: 80-300mm; Width: 80-200mm |
| Maximum Film Width | ≤420mm |
| Film Thickness | 0.04-0.11mm |
| Film Pulling Method | Servo double-belt film pulling |
| Seal Type | Back seal bag, gusset bag |
| Working Air Pressure | 0.6-0.8MPa |
| Product Contact Material | AISI 304 Stainless Steel / Food-grade materials |
| Control System | PLC + HMI Touchscreen |
| Interface Language | English / customizable multi-language |
| Power Supply | Single Phase 220V, 50/60Hz (customizable for global standards) |
| Total Power | 3.0 KW |
We offer a comprehensive range of optional configurations to meet diverse packaging requirements across different production scenarios.
Thermal Transfer Overprinter (TTO): Delivers crisp, high-resolution printing of production dates, batch numbers, and expiration dates on laminate film
Laser Coding Machine: Permanent marking with excellent anti-counterfeiting properties, ideal for premium products
Supports multi-language and multi-format printing content
Additional bag formers in different sizes available
Quick changeover between different bag dimensions for multi-product manufacturing
Precision-machined AISI 304 stainless steel ensures consistent bag quality
Material elevators and bucket elevators
Support platforms and work platforms
Various metering devices (multihead weigher, cup filler, auger filler)
Finished product conveyor belts
Checkweigher with rejection system
Metal detector
What we provide:
Itemized pricing with detailed breakdowns
Machine layout drawings and electrical schematics
Customer references and case studies
Factory audit appointments
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