DN2 Series PP Woven Bag Sewing Machine Factory Suppliers in China

Leading China factory and suppliers of DN-2 series industrial sewing machines. Specialized for PP woven, paper, and jute bags, plus FIBC spout tube seaming. Featuring U-type top-and-bottom feeding and pneumatic auto-cutters. 100% exchangeable with Newlong machines for high-speed stability.

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The DN-2 series is a high-performance professional sewing machine engineered specifically for the demanding requirements of the PP woven bag, paper bag, and jute bag manufacturing industries. These versatile machines are expertly designed for seaming FIBC bag spout tubes and top skirt covers, ensuring structural integrity and leak-proof seals for industrial bulk packaging.

Available in multiple configurations—including single needle (DN-2HS), left-hand types (DN-2LHS), and double needle variants (DN-2W)—the series now features an advanced "U-type" top and bottom feeding system to optimize material handling and stitching precision. With 100% compatibility with Newlong machines, the DN-2 series combines rapid operational speeds with unwavering stability, making it the gold standard for high-volume production lines.

Detailed Parameters

Max. Speed	2800 rpm	Compatible Materials	Paper, Jute, PP Woven
Stitch Type	Double Thread Chain Stitch 401	Stitch Range	7-12mm (Model dependent)
Needle Type	DR×2 #25 / #26 or UY143GS 200/230	Lubrication System	Automatic Lubrication
Feeding Options	Bottom Feed / Top & Bottom Feed (U-type)	Directional Versions	Right Hand / Left Hand
Optional Features	Pneumatic Auto Cutter (C-type)	Compatibility	100% Exchangeable with Newlong

Key Advantages

Industrial Durability

Built for heavy-duty cycles in the FIBC and PP bag industry, ensuring long-term stability under continuous operation.

High-Speed Output

Reaching speeds up to 2800 rpm, significantly increasing daily production capacity and reducing lead times.

Precision Feeding

New U-type top and bottom feeding system provides superior material control and prevents fabric slippage.

Seamless Integration

100% exchangeable with Newlong machines, allowing for easy upgrades without modifying existing line layouts.

Versatile Configurations

Choose between single/double needles and left/right hand types to match your specific ergonomic needs.

Automated Efficiency

Optional pneumatic cutters (DN-2HSC/WC) streamline the production line by automating thread cutting.

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Management Platforms

Material Compatibility

Optimized for PP, Jute, and Paper materials to ensure versatility across different bag types.

Maintenance Ease

Automatic lubrication system reduces downtime and extends the lifespan of internal components.

Production Sync

Integrated pneumatic cutters allow for perfect synchronization with automated conveyor lines.

Operational Ergonomics

Available in Left-Hand (LHS) and Right-Hand versions to maximize operator comfort and efficiency.

Stitch Control

Adjustable stitch ranges from 7-12mm to meet specific strength and aesthetic requirements.

Quality Assurance

Stable quality performance verified through rigorous industrial testing for heavy-duty use.

Investment Return Comparison

Feature	Standard Machines	DN-2 Series	ROI Impact
Production Speed	1500-2000 rpm	Up to 2800 rpm	+40% Daily Output
Feeding Stability	Bottom Feed Only	U-Type Top/Bottom Feed	Reduced Material Waste
Compatibility	Proprietary Parts	100% Newlong Exchange	Lower Maintenance Cost
Cutting Process	Manual Cutting	Optional Pneumatic Cut	Faster Cycle Time
Durability	Medium Duty	Heavy Duty Industrial	Extended Machine Life

Frequently Asked Questions

Q: Which model is best for high-speed FIBC production lines?

For production lines, we recommend the DN-2HSC or DN-2WC models, as they include pneumatic cutters that automate the finishing process, significantly increasing throughput.

Q: Can the DN-2 series handle heavy jute and thick PP woven fabrics?

Yes, the DN-2 series is specifically designed for heavy-duty applications, including PP woven, Jute, and Paper bags, with reinforced components to handle high-tension materials.

Q: What is the advantage of the U-type feeding system over standard feeding?

The U-type (top and bottom feeding) provides better grip and smoother movement of the fabric, which is crucial for maintaining stitch consistency in thick materials.

Q: Are the parts for the DN-2 series compatible with Newlong machines?

Yes, the original type is designed to be 100% exchangeable with Newlong machines, making it easy to integrate into existing workflows.

Q: How do I choose between the DN-2HS and DN-2LHS models?

The DN-2HS is a standard right-hand sewing machine, while the DN-2LHS is a left-hand type. The choice depends on your operator's preference and the layout of your production line.

Q: Does the machine require manual lubrication?

No, the DN-2 series features an automatic lubrication system that ensures all critical components are oiled during operation, reducing manual maintenance.

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