Products Descriptions
The GN20-2D is a professional industrial chainstitch sewing machine designed exclusively for heavy-duty jute and gunny bag production. As a single-needle, flat-bed sewing machine with plain feed and double-thread chainstitch system, it leverages one needle and one lower looper to form a 503 type stitch – a perfect combination of straight chain stitch and safety overlock. This dual-stitch design delivers not only beautiful, consistent seams but also exceptional strength, ensuring your jute bags withstand heavy loads, rough handling, and long-term use in logistics, agriculture, and industrial packaging.
Designed to solve core pain points for jute bag manufacturers, this GN20-2D gunny bag making sewing machine features a semi-automatic lubrication system with a top oil cup – a critical upgrade for industrial use. This system ensures continuous, even lubrication of internal components, reducing friction, minimizing wear and tear, and extending the machine's service life. No more frequent manual oiling or unexpected breakdowns that disrupt production. Additionally, the integrated filler cord guides (top and/or bottom optional) seal needle punctures as you sew, eliminating material leakage – a game-changer for packaging granular goods like grains, seeds, or construction materials. This not only improves the quality and reliability of your finished jute bags but also reduces customer complaints and returns.
With a generous 19mm overedging width, GN20-2D jute bag sewing machine excels at sewing thick, rugged materials – specifically optimized for side seams on jute bags and gunny bags. The plain feed system ensures smooth, consistent material feeding even with heavy jute fabric, preventing slippage or uneven stitching that plagues ordinary sewing machines. Beyond jute bags, this machine adapts to multiple industrial needs: it's fully capable of sewing jumbo bags (FIBCs) for bulk packaging, and with simple part replacements, it can also handle overedging for carpets, rugs, and heavy-duty textiles. This flexibility makes it a cost-effective investment for factories looking to expand their product lines without purchasing additional equipment.
Built with industrial-grade durability in mind, the GN20-2D's robust construction withstands the rigors of high-volume production environments. From rural agricultural cooperatives packaging crops to large-scale warehouses sealing industrial supplies, this machine delivers consistent performance, batch after batch. Its user-friendly design ensures easy operation and maintenance – even for operators with basic training – while the safety overlock stitch provides an extra layer of reinforcement, making seams resistant to fraying and tearing.
Whether you're producing standard jute bags for agriculture, heavy-duty gunny bags for construction, or jumbo bags for bulk transport, the GN20-2D Heavy Duty Jute Bag Overedge Sewing Machine is your trusted partner for efficient, high-quality sewing. It's not just a machine – it's a solution to raise productivity, improve product durability, and grow your business.
Applications

Gunny Bag

Jute Bags

Seed Bags
Products Specifications
|
Model |
GN20-2D |
|
Number Of Needle |
One needle |
|
Feeding System |
Bottom feed |
|
Max.Sewing Speed |
1400SPM |
|
Max.Stitch Length |
7-16mm |
|
Max. Overedging Width |
19mm |
|
Max. Sewing Thickness |
12mm |
|
Needle |
GN20-400 #33 |
|
Stitch Type |
502 |
|
Lubrication |
Manual |
Products FAQ
1. What kinds of bags can your bag sewing machines stitch?
A: Our bag sewing machines perfectly fit PP woven bags, PE bags, jute bags, non-woven bags, fertilizer bags, feed bags and industrial packaging bags. It covers daily packaging and industrial heavy-duty sewing needs.
2. How durable are your industrial bag sewing machines?
A: Our machines adopt heavy-duty cast iron body and high-quality core parts. With regular maintenance, they can run stably for many years with low failure rate.
3. 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.
4. 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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