The Portable Single Thread Chainstitch Bag Closer Machine is a compact, handheld industrial sewing device designed for closing filled bags quickly and securely. It is widely used in packaging industries such as agriculture, food processing, construction, and logistics for sealing bags containing products like grains, cement, fertilizer, flour, and chemicals.
This machine operates using a single-needle, single-thread chain stitch mechanism (Type 101), producing strong and consistent seams that can also be easily opened when required.
Designed for portability and ease of use, the machine allows operators to manually stitch bags without moving them from their position. Its lightweight construction, ergonomic grip, and high-speed operation make it ideal for both small-scale and industrial packaging operations.
The machine is suitable for a wide range of bag materials, including woven polypropylene (PP), paper, jute, cloth, and plastic bags, ensuring versatility across industries.
Key Features
- Portable and lightweight handheld design
- Single needle, single thread chain stitch (Type 101)
- High-speed sewing for efficient bag sealing
- Strong, durable stitching with easy tear-off capability
- Compatible with multiple bag materials (paper, woven, plastic, jute)
- Easy operation and low maintenance
- Suitable for continuous industrial use
Technical Specifications (Typical GK9 Series Machine)
| Parameter | Specification |
|---|---|
| Machine Type | Portable Bag Closing Machine |
| Stitch Type | Single Thread Chain Stitch (101) |
| Needle Type | DNx1 / 9×27 / GK9 series needle |
| Sewing Speed | 800 – 900 stitches/min (standard models) |
| High-Speed Models | Up to 1,700 – 2,600 stitches/min |
| Stitch Length | 5 – 11 mm (adjustable) |
| Sewing Thickness | 3 – 10 mm (depending on model) |
| Motor Power | 90W – 190W |
| Voltage | 110V / 220V AC |
| Weight | 2.5 – 6.5 kg |
| Thread Type | Cotton, polyester, or synthetic |
| Dimensions | Approx. 260 × 270 × 380 mm |
| Operation | Handheld / portable |
Applications
- Grain, rice, and seed packaging
- Cement and construction material bags
- Fertilizer and chemical industries
- Food packaging (flour, sugar, salt)
- Textile and recycling industries
Advantages
- Improves packaging speed and efficiency
- Reduces labor compared to manual stitching
- Provides strong, reliable bag closure
- Portable for on-site and warehouse use
- Cost-effective solution for SMEs and factories