Model
• Model LoopSEW-GN50
• Model LoopSEW-TN50
• Model LoopSEW-SN50
• Model LoopSEW21
• Model LoopSEW-GN-R
The LoopSEW range of automatic sewing machines leads the market in high-efficiency, repetitive sewing of belts and bag bodies. These fully automatic machines not only enhance productivity but also ensure consistent product quality and standardization.
The LoopSEW range is available in three models, each designed for specific sewing needs:
Loop Sewing: LoopSEW-GN, LoopSEW-TN, LoopSEW-SN
Loop Lift Sewing: LoopSEW21
Loop Ring Sewing: LoopSEW-GN-R

Model LoopSEW-GN50 The Newest generation automatic sewing machine for FIBCs loop attaching sewing
LoopSEW-GN50 Loop Sewing Length 500 mm max
KEESTAR offers the LoopSEW series automatic loop sewing machines, featuring multiple sewing areas and advanced functions for attaching loops on jumbo bags of various sizes, designed to reduce labor costs.

Model LoopSEW-TN50 New generation automatic sewing machine for FIBCs loop attaching sewing
LoopSEW-TN50 Loop Sewing Length 500 mm max
LoopSEW-TN40 Loop Sewing Length 400 mm max

KEESTAR offers the LoopSEW series automatic loop sewing machines, featuring multiple sewing areas and advanced functions for attaching loops on jumbo bags of various sizes, designed to reduce labor costs.
◥ Automatic Upper and Lower Thread Trimming
◥ Skilled Sewing Workers not Required
◥ Unified Standardized Stitch Performance
◥ For Sewing Large Size Jumbo Bag with very Thick Thread,
Recommend Model LoopSEW-TN50
◥ For Sewing Common Size Jumbo Bag with very Thick Thread,
Recommend Model LoopSEW-TN40
◥ For Sewing Common Size Jumbo Bag with Standard Thread,
Recommend Model LoopSEW-SN50/LoopSEW-SN40

Model LoopSEW-SN50 New generation automatic sewing
machine for FIBCs loop attaching sewing
LoopSEW-SN50 Loop Sewing Length 500 mm max
LoopSEW-SN40 Loop Sewing Length 400 mm max
Auto thread trimming, auto bobbin winder.

Model LoopSEW21

Model LoopSEW-GN50-R
Models | LoopSEW-TN50 | LoopSEW-TN40 | LoopSEW-SN50 |
|---|---|---|---|
Speed | up to 1,600 RPM | up to 1,600 RPM | up to 2,000 RPM |
Max. Sewing Loop Length | 500 mm | 400 mm | 500 mm |
Rotating Hook Size | 6 Times | 6 Times | 3 Times |
Max. Thread Thickness | 1,300D×3 Polypropylene Thread | 1,300D×3 Polypropylene Thread | 850D×3 Polypropylene Thread |
Sewing End | 2 ends/clamp up | 1 end/clamp up | 1 end/clamp up |
Thread Trimming | Automatic Upper and Lower Cold Trimming | Automatic Upper and Lower Cold Trimming | Automatic Upper and Lower Cold Trimming |
Automatic Sewing
Significantly Improved Sewing Efficiency
Constant Rate of Daily Production
Adjustable Air Outlet Height