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New Long-arm Tube Two-needle Sewing Machine SQ-4431-D

Long arm double sewing machine is used for stitching reverse filter bags.
Equipped with rotate arm,no need to frequently rotate fabric manual,the operation is more convenient.
It is suitable for stitching thick material fabric and also has the function of synchronous feeding in both upper and lower.
  • Max Sewing Speed: 2800rpm/min.
  • Capacity: 30 pieces filter bag with metal ring in 10 meters.

We also have videos in the youtube, the link below.


Main Functions of Long Arm Double Needle Sewing Machine

1. The double stitches are straight and beautiful.

2. The sewing machine equipped with rotate arm is easy to operate and has high efficiency.

3. Syncharonous feeding function of needle,dental,and foot presser,it can prevent fabirc from deviating.

4. Electronic positioning servo motor,with the function of automatic needle positioning,infinte speed adjustment.

5. Suitable for handling the stitching of extremely long cylindrical work pieces.

6. Suitable for stitching the support ring and reinforcement of long filter bags.

Basic Specifications

1. Arm length: 80cm

2. Max sewing speed: 2800rpm/min

3. Max stitch length: 8mm

4. Stitch width: 6.4/12.7mm

5. Presser foot lift height: 18mm

6. Voltage: AC 220V,50-60Hz

7. Power: 0.37kw

8. Dimensions: 1420*530*1420mm

Product Inquiry


Professional dust bag manufacturer.



 E-mail: sq@sqjxsb.com
 Phone: +86-15295055031
 Add: No.50 Chen Jia Tang Industrial Park,Ma Jia Xiang Village Committee,Hutang Town,Wujin District,Changzhou City,Jiangsu Province,China


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