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Quick Details

  • Condition: New
  • Type: Industrial Sewing Machine
  • Place of Origin: Shaanxi, China (Mainland)
  • Brand Name: Keestar
  • Model Number: DS-9A
  • Stitch Formation: Chain Stitch
  • Mechanical Configuration: Flat-Bed
  • Max. Sewing Speed: 2700rpm
  • Max. Sewing Thickness: 8mm
  • Stitch Length: 7-11.5 mm
  • Power: 400W
  • Overall Dimensions: 540*380*570mm
  • Feed Mechanism: Drop Feed
  • Certification: ISO
  • After-sales Service Provided: No overseas service provided
  • Driven Type: Electirc
  • Weight: 40kg
  • Sewing Head Stitch Type: Single needle double thread chain stitch
  • Crepe tape width: 55mm
  • Sewing Head Needle Type: DR-H30 26#
  • Automatic Grade: Automatic
  • Lubrication System: Fully-enclosed oil bath
  • Cutter Type: Pneumatic guillotine type crepe tape
  • Capacity: 500-800 bags/hour
  • key words: bag closing machine

Packaging & Delivery

Packaging Details export worthy packing
Delivery Time 3-15 working days

 key words:bag closing machine head

Keestar DS-9A high speed one needle bag closing machine  



  1. Keestar DS-9A, the fastest and most popular single needle double thread chain stitch mechanical bag closing and stitching machine;
  2. Equipped with mechanical thread chain cutter;
  3. Full closed lubricating system, no need for oiling and available for dust and corrosive condition;
  4. Sewing speed up to 2,700 rpm, designed for stitching all sorts of fill bags. 




  1. Single needle double thread chain stitch 401 bag closing and stitching machine;
  2. Highest speed 2,700 r.p.m;
  3. Sewing capacity up to 8mm (5/16 in.), 32 plies of paper;
  4. Adjustable stitch length from 7-10.5mm;
  5. Mechanical thread chain cutter;
  6. Full closed oil bath lubrication system, no need for oiling;
  7. Complete genuine NLW/NLI parts assembly machine, ensure the top standard quality;
  8. Well balanced rotational parts ensure very little vibration and promote a highly reliable closing system;
  9. Ideally suited for high speed bag closing and filling line applications where conveyor speeds exceed 25m/min (80FPM);
  10. Split presser foot design ensure bag top control during thread cutting;
  11. All parts are enclosed and protected inside the casting housing, the bag closing and stitching machine suitable for use in high dust and corrosive environment;







Max. Sewing Speed

2,700 r.p.m

Max. Sewing Capacity

8mm (5/16 in.), 24 plies of paper

Stitch Length


Stitch Type

Single needle double thread chain stitch 401

Feed Type

Drop feed

Thread Chain Cutter

Mechanical thread chain cutter

Air Supply

0.4MP 3.5NI/min

Crepe Tape Width



Full closed oil bath




Polyester 20/6, 20/9 (2×3, 3×3)


40kg / 48kg









  1. Please oil the machine throughly before running;
  2. Please follow the safety instruction strictly before put the machine into operation. 


machine set


  DS-9C-A1-PB-GK-SB automatic bag closing system 



Packaging & Shipping





1. Q: Is machine sample available?
    A: No. We can supply spare parts sample, but customer needs to pay for it and bear shipping cost, we will return the parts value once order confirmed.

2. Q: What service you can supply?
    A: Model recommendation, sample making, technical consulting, after-service support


3. Q: Do you supply overseas installation and debugging?
    A: Yes, but customer needs to bear all overseas expenditure.


4. Q: Is your machine all original with Union Special or Newlong?
    A: No. But for most of the models, it can be 100% replaceable.


5. Q: Do you supply spare parts?
    A: Yes, and with fast lead time.


6. Q: What gurantee you supply?
    A: Limited spare parts one-year guarantee, not including quick-wear parts like needle, looper, throat plate, feed dog, etc.





Our Services




Related Machine


Bag closing pedestal: 


A1-P, same with A1-PB, pedal control, semi-automatic;

GK-LB, same with A1-PB but lite version for economic requirment;

GK-LP, same with GK-LB,  Pedal control, semi-automatic;

GK-LF,  same with GK-LB, but equipped freight carrier, not need to fit with conveyor, special for low capacity bag closing requirment;

GK-LFP, same with GK-LF, but Pedal control, semi-automatic;

GK-L26,  same with GK-LFP but special for GK26 series portable bag closer. Newlong NP series and Fischbein F series available.


Bag closing machine head: DS series (DS-9A, DS-9AW, DS-9CW, DS-7C);

GK35 series (GK35-2C, GK35-2H, GK35-6A, GK35-6B, GK35-6C, GK35-8, GK35-8B)



Bag closing conveyor: GK-SB


Bag folding machine: CP-4900,  suitable for self stand bags infeed.

F5000, chain type suitable for all sorts of bags infeed, even the soft or non-self stand bags.


  key words:    newlong bag closing machine

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Supplier's Trade Assurance Limit: US $33,000
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