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Quick Details

  • Type: Other
  • Condition: New
  • Application: Chemical, Food, Medical
  • Packaging Type: Cartons, Case
  • Packaging Material: Paper, Plastic
  • Automatic Grade: Automatic
  • Driven Type: Electric, Electric
  • Voltage: 220V/110V
  • Power: 90W
  • Place of Origin: Shaanxi, China (Mainland)
  • Brand Name: keestar
  • Model Number: NP-7K-S
  • Weight: 5.5/7.5kg, 5.5/7.5kg
  • Dimension(L*W*H): 360x260x380mm
  • Certification: ISO9001:2000
  • After-sales Service Provided: Overseas third-party support available
  • Speed: 1700rpm
  • Stitch length: 8.5mm
  • Needle: DNx1#25

Packaging & Delivery

Packaging Details cartons
Delivery Time within 2-15 days after payment received


                     KEESTAR NP-7K-S With Crape Tape

                                Portable Bag Closer Sewing Machine

Product Description


1.KEESTAR NP-7K-S With Crape Tape Portable Bag Sewing Machine is the lastest model which is developing from newlong NP-7a, suitable for closing of all sorts of fill bags, e.g. burlap, jute, woven poly, cotton, plastic and paper with single needle single thread chain stitch 101.

2. Keestar NP-7k-S is the most popular portable bag closer model.

3. Basing on the most popular model newlong NP-7a, and all parts could be easy purchase and relaceable all over the world.

4. With crape tape, can better sealing flour bags, cement bags on the tiny powder, and the opening of the particulate matter



1. Single needle single thread chain stitch 101 portable bag closer;

2. Speed upto 1,650rpm;

3. Fix stitch length 8.5mm;

4. Improved looper and simple mechanism;

5. Built-in automatic thread chain cutter;

6. Improved needle plate and presser foot ensure the thread chain anti-damage during stitching, and the longer needle hole and corresponding groove in the needle plate will be very helpful for fine stitch firmness; 

7. Heat treatment for all parts, deep anti-rust;

8. Ergonomically design, perfectly fits operator's hand and permits effortless operate the Keestar GK26-1A portabel bag closer;

9. Copper alloy made of feed dog carrier block;

10. All the bushings made of wear-resistant steel and under grinder machining;

11. Aolly made of connecting rod;

12. Hexagon screw replace normal screw in key parts;

13. Top cover replace into casting aluminium not fragile plastic;

14. Extra strong thread stand;

15. PP film cover the pulley cover for protection;

16. Aluminium cap oil pump and with chain connect;

17. Apply aluminium die casting motor;

18. Modified plastic made the handle ensur the durability;

19. Fit balancer link in each set;

20. Well assembly quality, ensure the stable quality;

21. Robust construction and safety design;

22. Built-in oil pump lubrication system;

23. Anti-blocking oil line with felt and spring inside, and direct lubricant to mian moving parts;

24. Steel cam(No plastic cams);

25. Trouble-free continuous operation;

26. Suspended on the spring balacer with hanger available (at extra cost);

27. With crape tape can better sealing.


StitchSingle thread chain Stitch 101
Stitch Range8.5mm fixed 
Needle                                  DNx1#25
ThreadPolyester 20/6(2x3)
Thread CuttingSemi-automatic
Product Picture

                                                                                    Main photo 




                                                                                 The crape tape


Company Information

KEESTAR Industries(Shaanxi) Co., Ltd is leading manufacturer of bag closing machine, bag making sewing machine, automatic heavy duty sewing system and walking foot sewing machine world widely.

KEESTAR has been focus on developing advanced sewing technology since our establishment. We have developed variety sewing systems for many applications include filled bag open top closing, woven bag making, FIBC(Flexible Intermediate Bulk Containers).


After decades of development, the company has covered almost every continent, And in 40 countries have many agents.

Please believe KEESTAR is your best choice.


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.

  Keywords:   Portable Bag Closer Sewing Machine  

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China (Mainland) | Trading Company
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5 Transactions 700+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $33,000
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