Products Descriptions
Tired of inefficient manual cutting, unstable stitches or low daily output in jumbo bag sewing?Upgraded from the GK81300-A2, this FIBC bag making sewing machine GK81300-A3 integrates the full automatic functions and heavy-duty performance-perfect for FIBC bags, ton bags, and large-scale packaging needs, helping you raise productivity while ensuring consistent, durable seams.
Core Automatic Features & Powerful Configuration
- Automatic Thread Chain Cutter (Hot Knife)
Cuts and seals 4000D polypropylene thread+filler cord in one step,with a neat tail size-no fraying,no extra tools, saving time.
- Pneumatic Foot Lift
Effortless operation for fast bag's positioning and material feeding, significantly improving daily output (Air supply needed in the factory).
- Powerful Needle Position Servo Motor
220V single-phase,750W motor with external synchronizer-precise upper/lower needle positioning, strong sewing force for thick PP woven fabrics and heavy-duty materials.
- Stable & Durable Structure
Carbon steel stand and tabletop resist deformation during long-term heavy use; the top oil cup-easy maintenance to extend machine life.
This high output jumbo bag making sewing machine excels at:
- Inlet/outlet spout sewing (with filler cord) for FIBC/ton bags
- Climbing sewing & corner sewing on side seams of heavy-duty big bag bodies
- Stitching PP woven fabrics, thick cloth, and other big bag materials
- Forming 401+502 type stitches (two thread overlock + two independent chain stitches) for ultra-firm, tear-resistant seams
Whether you're a FIBC bag manufacturer, ton bag production plant, or heavy-duty packaging workshop, the GK81300-A3 automatic thread chain cutter big bag sewing machine delivers the automation and reliability you need to streamline production.
Welcome all friends in the big bag industry worldwide to contact us today!!!
Applications

Safety Stitch

Bulk Bag

Big Bag
Products Specifications
|
Model |
GK81300-A3 |
|
Max.Sewing Speed |
1400SPM |
|
Stitch Length |
6-13mm(Standard:10mm) |
|
Max.Sewing Thickness |
22mm |
|
Overedging Width |
15mm |
|
Needle Distance |
5mm |
|
Overall Seam Width |
20mm |
|
Needle Size |
UY9853G 430 #33 |
|
Stitch Type |
401.502 |
|
Foot Lift System |
Pneumatic |
|
Thread Cutter |
Hot thread chain cutter |

Products FAQ
1.What types of large bags are your machines suitable for?
A: They are widely used for sewing container bag baffles, cross bottoms, filter bag cylinder beds, and other mainstream large bag styles. Custom sewing of large bags with special shapes is also supported.
2.How long is the service life of your big bag sewing machine?
A: The machine adopts integral cast iron structure and high-precision accessories. With standard maintenance, the service life can reach more than 10 years.
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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