2026 Hot-selling Automatic Back Sealing Powder Packaging Machine

This automatic back sealing packaging machine is designed for efficient packing of powders, granules, tablets, and similar materials. With flexible metering options and a stable sealing structure, it ensures accurate filling, consistent sealing quality, and reliable high-speed operation for modern production lines.

Product Details

The machine features an advanced human–machine interface with a 7-inch touchscreen and PLC control system supporting multilingual operation. It integrates high-precision temperature control, reliable electrical components, and flexible metering systems, making it suitable for various packaging materials and production requirements.

Key Advantages

High Efficiency & Stable Performance

Equipped with a precise PLC control system and stepper motor bag pulling mechanism, the machine delivers stable packaging speeds while maintaining consistent sealing quality. It ensures smooth operation and reliable performance in continuous production environments.

Flexible Packaging Solutions

The equipment supports multiple packaging formats including back seal and four-side seal bags. By replacing forming parts or metering systems, the machine can easily adapt to different product types such as powders, granules, tablets, and small particles.

Durable Hygienic Construction

All product-contact parts are made from food-grade 304 or 316 stainless steel. The welded frame structure with a brushed exterior provides durability, easy cleaning, and compliance with hygiene standards required in food and pharmaceutical production.

Technical Parameters

Parameter Specification
Model DS320 Back Sealing Powder Packaging Machine
Packaging Material Composite packaging film
Metering Method Mechanical piston pump
Packaging Range 2–6 g (depending on packaging specification)
Metering Accuracy ±3–5% (depending on material and filling volume)
Packaging Speed Up to 160 packs/min
Packaging Film Width Max 320 mm
Bag Size Width 45–85 mm × Length ≤120 mm
Sealing Type Back seal or four-side seal
Vertical Seal Width 7 mm
Horizontal Seal Width 8 mm
Cutting Method Flat cut or serrated cut
Pouch Pulling Method Stepper motor vertical sealing system
Photoelectric Sensor Dual-color photoelectric sensor
Operating Voltage 220V / 50Hz / Single Phase / 1.5 KW

Optional Custom Configurations

Configuration Type Options
Metering System Mechanical piston pump, magnetic pump, gear pump, high-pressure pump
Coding Method Steel letter hot stamping, ribbon coding, heat transfer printer
Cutting Device Electric rotary knife with easy-tear design
Bag Type Back seal bag, four-side seal bag
Pulling Structure Straight mesh or rubber-coated bag pulling wheel

Application Industries

This automatic packaging machine is widely used in industries that require precise small-dose packaging, including:

  • Pharmaceutical industry
  • Food and beverage industry
  • Health product manufacturing
  • Chemical powder packaging
  • Seasoning and instant food packaging

It is ideal for packaging powders, granules, tablets, and other small-particle materials, helping manufacturers achieve efficient, hygienic, and consistent production.

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