Products Descriptions
Looking for a reliable heavy-duty bag closing solution that inherits the proven performance of the DS-9CW, with a focus on thick, bulky packaging? The DS-9AW bag closing machine head is a specialized sub-model of our popular DS-9CW series, engineered to deliver reinforced stitching for thick materials-making it a trusted choice for industries handling heavy-duty bags.
Built on the same strong foundation as the DS-9CW, the DS-9AW retains all the core advantages that make the series renowned: a 2-needle 4-thread design that creates two independent, parallel stitch lines. This dual-stitch structure is a game-changer for leak prevention-effectively blocking granular, powdery, or bulk materials from seeping through seams, while drastically enhancing the overall firmness and durability of the bag seal. Whether your bags are filled to capacity or need to withstand rough handling during transportation, this machine ensures your packaging stays intact.
What sets the DS-9AW apart is its specialized mechanical chain thread cutter-suitable for the demands of thick bag materials. Unlike automatic cutters that may struggle with heavy threads or dense fabrics, the mechanical cutter delivers precise, consistent thread trimming after each seal, eliminating loose threads and ensuring a neat finish without compromising speed. This DS-9AW heavy-duty cloth bag sewing machine is designed specifically for closing thick and heavy-duty bags made from PP (polypropylene), PE (polyethylene), paper, cloth, jute, and other dense materials that require extra cutting force.
Designed for seamless integration into your production line, the DS-9AW is a vertically mounted machine head that units perfectly with sewing pedestals and conveyors of various lengths-adapting to your specific bag sizes and workflow needs. It's ideal for high-volume packaging operations, whether you're sealing agricultural feeds, construction materials, chemical products, or industrial bulk goods. Its compatibility with multiple bag materials and heavy-duty performance make it a versatile asset for factories, warehouses, and packaging facilities looking to upgrade their sealing process.
With the DS-9AW Vertically mounted bag closing head, you get the best of both worlds: the trusted reliability of the DS-9CW series, plus specialized features for thick materials. It combines leak-proof sealing, reinforced firmness, precise mechanical thread cutting, and broad material compatibility-all to help you streamline production, reduce waste from damaged bags, and ensure your products arrive safely to customers.
Applications

Feed Bag

Fertilizer Bag

Stitch Sample
Products Specifications
|
Model |
DS-9AW |
|
Number Of Needle |
Two needle four thread |
|
Feeding Structure |
Plain drop feed |
|
Max. Sewing Speed |
2500SPM |
|
Max. Stitch Length |
7-10.5mm(standard:10mm) |
|
Cutter Type |
mechanical thread cutter |
|
Needle(Standard) |
DR-H30 #26 |
|
Stitch Type |
401 |
|
Lubrication |
Automatic |
Products FAQ
1. What stitch types do PACKSTAR bag closing machines adopt for bag sealing?
A: Our bag closing machines mainly use durable chain stitch, including single-thread, double-thread and four-thread styles. The chain stitch features high tensile strength, not easy to unravel even under heavy load, perfectly suited for long-term stacking and transportation of filled industrial bags.
2. What kinds of packaging bags can PACKSTAR full-series bag closing machines sew?
A: All models adapt to PP woven bags, plastic sacks, paper bags, jute bags and composite lined bags. High-speed and double/four-thread models can handle thickened multi-layer bags, while standard single needle models meet the sealing demands of conventional light and medium packaging bags.
3. How to improve the overall efficiency of the bag closing production line?
A: Match high-speed bag closing machines with synchronous-speed bag infeed devices. Regularly maintain the equipment to reduce downtime. Set reasonable stitch length and running speed according to bag materials to avoid repeated rework caused by unqualified sealing.
4. How about the packaging and transportation of that machine?
A: All the machines are packed in standard export cartons or wooden packaging boxes to prevent damage during transportation.
5. What payment terms do you accept?
A: We accept T/T,Paypal,Western union ect.
why choose us

our Company
PACKSTAR is a leading professional manufacturer of bag sewing machines, bag closing machines and supporting packaging equipment. Our products are trusted by clients in over 30 countries, serving food, chemical, feed, grain, fertilizer and packaging industries.
Meanwhile, we offer one-stop services including pre-sales technical consultation, free solution design, on-site installation guidance, long-term after-sales maintenance & spare parts supply.
Welcome to email or call us get the professional sewing solution and quotation.
Our address
No.25,Hi-Tech Zone,Xi'an,710065,China
Phone Number
86-29-81870126,81870128
dekoco@vip.163.com,sales@chinapackstar.com

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