Model
Our Big Bag Double Needle Chain Stitch Sewing Machine is mainly used to sew various pieces of container bag body, mainly including,
The 2 needle, 4 thread chain stitch(401+401) sewing machine produces two parallel double thread row stitch for side seam.
Equipped with both plain and alternating upper fabric feeding system, it’s especially suitable for attaching filling and discharging spout, inserting top and bottom plates and body side seams on very heavy weight fabric of container bags, and with top and bottom filler cord guides for sealing the needle punctures.
The sewing capacity can reach a thickness of Max. 18 mm, which meets the sewing process requirements of all jumbo bags.


80700 Series are among the most common and reliable chain stitch sewing machines used in the bulk jumbo bag production process.
Double needle version machines have two parallel chain stitch(401.401), and if single needle version machine is required.
Keestar offers several double needle models of 80700 big bag chain stitch sewing machine.
Model | 80700CD4HL, 80700CD4HLSQL |
|---|---|
Stitching Type | 401.401 |
Needle Distance | 7.2 mm |
Sewing Capacity | up to 18 mm |
Standard Needle | UY9848GA 300# |
Stitch Range | 6 to 12 mm(Standard setting 10 mm) |
Speed | up to 1,400 RPM |
Filler Cord | Upper and Lower |
Feeding | Upper and Lower |
Needle Cooling | Available |
The Model 80700CD4HL FIBC big bag sewing machine is the most common model, equipped with a double-acting, air-operated presser foot lifter and pressure system, as well as a left-side thread chain and filler cord hot-cutting device.

Model 80700C4HL FIBC big bag sewing machine features upper and lower feed, upper and lower filler cord, hot thread & filler cord cutter.


The new model 80700CD4HLSQL could apply for spout tube attach seaming onto top/bottom panel, the cylinder bed is convenient to insert into the spout tube and seam together with O/X cut panel as a 360° circle turn.

Model 80700CD4 is identical to Model 80700CD4HL, except it does not include a thread cutter.
Model 80700CD4SQL is identical to Model 80700CD4, except it is equipped with a cylinder-bed sewing plate.
Model 80700CD is identical to Model 80700CD4, except it does not include a pneumatic presser foot lifter.
Model 80700CDSQL is identical to Model 80700CD, except it is equipped with a cylinder-bed sewing plate.
KEESTAR also offers other models of double-needle, 360° circle chain stitch big bag sewing machines, such as the CircleSEW, which features higher operating speed but lower heavy-duty sewing capacity.
A Complete Set of Q Bag Baffle Sewing Machine Assembled by Three Parts:
Motor Drive Options
Servo Motor
Servo Motor Drive could Provide:
Clutch Motor
Bench Top and Stand Options
Spout Type Bench Top and Stand
Heavy Duty Bench Top and H Style Stand
R2U Delivery Service
Considering the actual demand of container bags manufacturer, we start to provide a READY TO USE delivery (R2U Delivery) service.
With a R2U Delivery Service, will Provide:

Multi-function Control Pedal
Hot Cutting Device
Chain Stitch Sewing Machine
Heavy Duty Bench Top