80700 Series are absolutely the most common and reliable chain stitch sewing machines apply for bulk jumbo bag producing process, it has single and double needle versions.
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.
up to 18mm
6 to 12mm(Standard setting 10mm)
up to 1,400rpm
Upper and Lower
Upper and Lower
Model 80700CD4HL FIBC big bag sewing machine is the most common model with double acting air operated presser foot lifter and pressure, left side thread chain and filler cord hot cutting device.
Model 80700C4HL FIBC big bag sewing machine with 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 cyinder bed is convenient to insert into the spout tube and seam together with O/X cut panel as a 360° circle turn.
Model 80700CD4, same with model 80700CD4HL but without any thread cutter.
Model 80700CD4SQL, same with model 80700CD4 except with a cyinder bed sewing plate.
Model 80700CD, same with model 80700CD4 but without pneumatic presser foot lifter.
Model 80700CDSQL, same with model 80700CD except with a cyinder bed sewing plate.
KEESTAR also offers other model of double needle 360° circle chain stitch big bag sewing machine with higher working speed but less heavy duty sewing capacity model CircleSEW.
a Complete Set of Q Bag Baffle Sewing Machine Assemble by Three Parts:
Hot Cutting Device.
Chain Stitch Sewing Machine