Union Special 4000A Portable Bag Closer
A simple yet reliable single-thread, single-chain stitch (101S-Sa-1) portable bag closer. Designed for light to medium-duty bag closing, this model features bottom feed and a built-in thread cutter, in a user-friendly, balanced machine (~6 kg) perfect for various bag materials
Key Specifications:
- Power: 220–240 V (some versions support 110–125 V)
- Sewing capacity: Up to 8 mm (12 layers of paper)
- Speed: 1,600–1,800 SPM (≈12 m/min linear feed)
- Needle: D5-200/080 (standard)
- Weight: ~6 kg, includes 5 m power cable
- Feed type: Bottom feed only
- Accessories: Compatible with spring balancer or pedestal/foot-switch setups
Choosing Between 2200B & 4000A
| Feature | 2200B (2-Thread) | 4000A (1-Thread) |
|---|---|---|
| Stitch Type | Double-chain (401), stronger seam | Single-chain (101), simpler operation |
| Feed Mechanism | Upper & lower feed | Bottom feed only |
| Material Handling | Heavy-duty: PP, jute, paper, woven | Light-medium materials |
| Stitch Capacity | Up to 9 mm (≅24 paper plies) | Up to 8 mm (≅12 paper plies) |
| Weight & Mobility | ~5 kg, highly portable | ~6 kg, portable and easy to use |
| Power Supply | 110–125 V | 220–240 V (dual voltage options) |
