Automatic Liquid Sachet Pouch Filling Sealing Machine, PLC Control, 20-40 Bags/Min

Fast, stable automatic liquid sachet packing: forming–dosing–pulling–cutting–sealing in one PLC-controlled stainless machine. 20–40 bags/min, ±1–10% accurate filling, 1mm leak-proof seal line, photo-eye mark tracking for perfect pouch length, flat/serrated cuts. 1-year warranty.

Product Details

Product Introduction

The Automatic Pouch Filling & Sealing Machine is designed for high-efficiency liquid sachet packaging where speed, stability, and repeatable quality are essential. Built on a stainless-steel structure and driven by PLC-controlled automation, it combines film forming, metering, pouch pulling, cutting, and sealing into one integrated workflow. From feeding composite packaging film to producing finished pouches, the system maintains smooth motion control through a variable-frequency motor crank mechanism and heat-sealed pouch pulling, helping ensure steady film tension, accurate bag length, and consistent sealing performance. With a compact bag-making range and reliable continuous operation, it supports standardized output for modern factories that need improved throughput, reduced labor dependence, and dependable packaging results across long production cycles.

Product Features

1) Precise Liquid Dosing for Stable Consistency

Developed as a measurement-focused packaging solution, the machine delivers dosing accuracy of ±1–10% (depending on liquid characteristics, packaging material, and fill volume). This supports controlled filling, reduces overfill and material waste, and improves batch uniformity—especially important for branded consumer goods with strict net-content expectations.

2) Leak-Resistant Sealing Designed for Liquids

To meet liquid packaging requirements, the machine incorporates a dedicated 1 mm horizontal sealing leak-proof line (for liquid applications), strengthening seal integrity and lowering leakage risk during handling, shipping, and shelf display. The twisted-edge adhesive sealing structure further enhances closure reliability while improving pouch edge finish and overall pack appearance.

3) Accurate Film Mark Tracking for Printed Packaging

A JULONG dual-color photoelectric eye enables dependable color-mark detection and pouch positioning. This improves length control and seal alignment, making it particularly suitable for printed films where branding, graphics placement, and consistent cutting position are critical to presentation and consumer perception.

4) Flexible Cutting Options for Different Market Preferences

An independent cutter supports both flat cutting and serrated cutting, with a 3 mm spacing between cutters to achieve clean, repeatable separation. Combined with stable film pulling, the finished sachets are neat and uniform. The back sealing width of 5–10 mm (no pattern) keeps the rear seam tidy and consistent across production runs.

5) Industrial Stainless-Steel Construction with Efficient Automation

With a stainless-steel build for durability and cleanliness, the machine is well-suited to workshop and factory environments that require hygienic surfaces and long-term mechanical stability. Operating at 20–40 bags per minute, it delivers scalable output while reducing manual intervention, lowering operator workload, and supporting standardized packaging quality.

Technical Specifications

Item Specification
Machine Type Automatic
Material Stainless Steel
Weight 350 kg
Speed 20–40 bags/min
Bag Making Range Bag Width: 20–80 mm; Bag Length: up to 150 mm
Control System PLC Control
Measurement Accuracy ±1–10% (depends on packaging materials and quantity)
Optoelectronic Eye JULONG Dual Color Photoelectric
Bag Pulling Method Variable Frequency Motor Crank Structure; Heat-Sealed Bag Pulling
Cutting Method Flat Cut or Serrated Cut (Independent Cutter); 3 mm spacing between cutters
Back Sealing Width 5–10 mm; No Pattern
Horizontal Sealing Width 8–10 mm; Diagonal Mesh Pattern (1 mm spacing) or Straight Pattern (2 mm spacing)
Horizontal Sealing Leak-Proof Line 1 mm (only applicable to liquid packaging)
Sealing Form Twisted Edge Adhesive Sealing
Packaging Film Composite Packaging Material
Warranty 1 Year

Product Application Fields

This pouch forming, filling, and sealing solution is ideal for liquid sachet packaging where controlled dosing and reliable sealing are required. Common uses include daily chemical and personal-care liquids such as shampoo, shower gel, liquid hand soap, and similar formulations. It also fits production lines seeking standardized pouch dimensions, stable seal quality, and automated operation to increase output while reducing manual handling. Suitable for factories, workshops, and integrated packaging lines, it provides a practical and cost-effective option for small-format liquid pouch packaging with consistent, professional presentation.

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