Products Descriptions
DN-2W High Speed Double Needle Bag Sewing Machine, Industrial 4-Thread Heavy Duty Bag Closing Machine.
Recognized as a global favorite in the bag manufacturing industry, the DN-2W double needle bag sewing machine is an professional solution engineered for heavy-duty packaging needs. As a plain feed, flat bed chainstitch sewing machine with two needles and four threads, it delivers exceptional sealing performance-perfect for factories requiring high quality and leak-proof seams for heavy-weight bags or high-standard packaging.
1.Core Stitching Advantages for Heavy-Duty Bags
Designed to meet strict sealing requirements, the DN-2W's dual-needle, four-thread configuration offers unmatched reliability:
- Stitch Type: Two independent chainstitches with consistent stitch length and a fixed 6mm distance between lines – creates double-layered, tear-resistant seams that effectively prevent material leakage
- Application Focus: Specialized for heavy-weight bags, thick industrial sacks, and packaging with high sealing standards (eliminates the risk of product spillage during transport or storage)
- Seam Quality: Beautiful, uniform stitches with long-lasting durability – maintains structural integrity even with frequent handling or heavy loads
2. High Quality Performance & User-Friendly Design
Built for high-volume production, this DN-2W 4-thread heavy duty bag sewing machine balances speed, efficiency, and ease of use:
- High-Speed Operation: Optimized for fast sewing without compromising precision (ideal for mass production lines in bag factories)
- Automatic Lubrication System: Ensures smooth, low-noise operation while extending the machine's lifespan – reduces maintenance frequency and downtime
- Flat Bed & Plain Feed: Stable feeding mechanism handles thick, rigid materials (such as PP/PE woven cloth, multi-wall paper, jute blends) with consistent stitch alignment
- Newlong DN-2W Compatibility: Fully interchangeable with original Newlong DN-2W spare parts – guarantees easy global access to replacements and low maintenance costs
3. Wide Industrial Bags Applications
A trusted choice for diverse manufacturing sectors, the DN-2W (and its left-hand counterpart DN-2LW) is widely used in:
- Key Industry: Bag making factories (specializing in heavy-duty industrial packaging, bulk storage bags, and high-seal requirement sacks)
- End-Use Industries: Sugar refineries, cement factories, flour mills, food processing plants (grain, rice, snacks), fertilizer manufacturers, and chemical packaging facilities
4. Factory-Friendly Value Proposition
For professional bag manufacturers worldwide, the DN-2W stands out as a reasonable cost, high-performance investment:
- Leak-Proof Sealing: Double-thread stitches address the critical pain point of material leakage, reducing product waste and customer complaints
- Durable Construction: Industrial-grade components withstand 24/7 continuous operation – ideal for high-demand production environments
- Left-Hand Option: DN-2LW left-hand model available to match specific production line layouts, offering the same reliable performance as the standard DN-2W
If you're producing bulk cement bags, food-grade storage sacks, chemical packaging and more,this DN-2W high-speed industrial bag making machine delivers the strength, speed, and consistency that modern bag factories demand. It's the ultimate solution for elevating your packaging quality and production efficiency.
Applications

Stitch Sample

PP Bags

Paper Bags
Products Specifications
|
Model |
DN-2W |
|
Number Of Needle |
Two needle |
|
Feeding System |
Bottom feed |
|
Effectively Max. Sewing Speed |
2800SPM |
|
Max. Stitch Length |
7-11mm |
|
Max. Sewing Thickness |
10mm |
|
Two Needle Distance |
6mm |
|
Needle |
UY143GS-200/230 |
|
Stitch Type |
401 |
|
Feature |
Right sewing head |
|
Lubrication |
Automatic |
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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