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GKS Series
Heated-bar bag closing machine for sealing and stitching of multi-wall paper bags with inner PE liners
The paper bag heat stealing machine is designed for high-speed closing of multi-wall paper bags with internal PE liners. It supports sealing speeds of 7–10 m/min and a sealing height range of 800–1700 mm, making it suitable for a wide variety of paper-bag packaging lines.
Sewing machine: stitches the outer paper bag → Cutter: trims the bag top (optional) → Hot-melt tape application (3 heated-bar modules) → Pressure rollers: press and bond the tape
| Model | GKS-13 |
| Sealing speed | 7–12m/min |
| Heating power | 0.5kW×6 |
| Sealing power | 0.4kW |
| Sewing power | 0.4kW |
| Total power | 4kW |
| Machine dimensions (L×W×H) | 2250×1090×2052mm |
| Machine weight | Approx. 490kg |
| Sewing head model | GS-7C |
| Sealing height (from floor) | 800–1700mm |
| Sealing temperature | 0 to 400℃ |
| Applicable materials | 3-layer flat-top paper bags (inner PE liner heat sealing, outer hot-melt tape) |
Specifications are subject to change without prior notice.
Product images may differ from the actual model configuration.
Bag mouth cleaning (optional) → Cutter: trimming the bag mouth → Sewing machine: stitching the outer paper bag → Hot-melt tape application → Inner bag heat sealing (4 heated-bar assemblies) → Pressure rollers for compression
| Model | GKS-14D |
| Sealing speed | 7–10m/min |
| Heating power | 0.5kW×8 |
| Sealing power | 0.4kW |
| Sewing power | 0.4kW |
| Bag mouth cleaning power | 0.55kW |
| Total power | 5.5kW |
| Machine dimensions (L×W×H) | 2850×1090×2052mm |
| Machine weight | Approx. 580kg |
| Sewing head model | GS-7C |
| Sealing height (from floor) | 800–1700mm |
| Sealing temperature | 0 to 400℃ |
| Applicable materials | 4-layer flat-top paper bags (inner PE liner heat sealing, outer hot-melt tape) |
Specifications are subject to change without prior notice.
Product images may differ from the actual model configuration.
Bag-mouth cleaning (optional) → cutter: trims the bag mouth → sewing machine: stitches the outer paper bag → hot-melt tape → inner-liner heat sealing (6 sets of heated bars) → pressure rollers for sealing
| Model | GKS-16D |
| Sealing speed | 7–10m/min |
| Heating power | 0.5kW×12 |
| Sealing power | 0.4kW |
| Sewing power | 0.4kW |
| Bag mouth cleaning power | 0.55kW (optional) |
| Total power | 8kW |
| Machine dimensions (L×W×H) | 3250×1090×2052mm |
| Machine weight | Approx. 800kg |
| Sewing head model | GS-11 |
| Sealing height (from floor) | 800–1700mm |
| Sealing temperature | 0 to 400℃ |
| Applicable materials | 6-layer flat-top paper bags or 3-layer M-gusset bags (inner PE liner heat sealing, outer hot-melt tape) |
Specifications are subject to change without prior notice.
Product images may differ from the actual model configuration.
Bag-top cleaning (optional) → Inner-liner sealing (4 heating-block groups) → Pressure rollers press and bond the seam → Cutter: trims the bag top → Crepe-paper tape application → Sewing head: stitches the outer bag
| Model | GKS-23D |
| Sealing speed | 7–10m/min |
| Heating power | 0.5kW×6 |
| Sealing power | 0.4kW |
| Sewing power | 0.4kW |
| Bag mouth cleaning power | 0.55kW (optional) |
| Total power | 4.5kW |
| Machine dimensions (L×W×H) | 2850×1090×2052mm |
| Machine weight | Approx. 570kg |
| Sewing head model | GS-7C |
| Sealing height (from floor) | 800–1700mm |
| Sealing temperature | 0 to 400℃ |
| Applicable materials | 3-layer flat-top paper bags (inner PE liner heat sealing, outer crepe-paper tape) |
Specifications are subject to change without prior notice.
Product images may differ from the actual model configuration.
Bag-top cleaning (optional) → Inner bag heat sealing (3 heating-bar groups 1 cooling bar) → Pressure-roller sealing → Knife: bag-top trimming → Crepe-paper tape → Bag sewing machine: outer bag stitching
| Model | GKS-24D |
| Sealing speed | 7–10m/min |
| Heating power | 0.5kW×8 |
| Sealing power | 0.4kW |
| Sewing power | 0.4kW |
| Bag mouth cleaning power | 0.55kW (optional) |
| Total power | 5.5kW |
| Machine dimensions (L×W×H) | 3000×1090×2052mm |
| Machine weight | Approx. 620kg |
| Sewing head model | GS-7C |
| Sealing height (from floor) | 800–1700mm |
| Sealing temperature | 0 to 400℃ |
| Applicable materials | 4-layer flat-top paper bags (inner PE liner heat sealing, outer crepe-paper tape) |
Specifications are subject to change without prior notice.
Product images may differ from the actual model configuration.
Bag-mouth cleaning (optional) → Cutter: bag-mouth trimming → Inner-bag heat sealing (3 heating-bar units) → Roller pressing → Sewing machine: outer bag stitching → Hot-melt tape → Heat sealing (2 heating-bar units) → Roller pressing
| Model | GKS-232D |
| Sealing speed | 7–10m/min |
| Heating power | 0.5kW×10 |
| Sealing power | 0.55kW |
| Sewing power | 0.4kW |
| Bag mouth cleaning power | 0.55kW |
| Total power | 6.5kW |
| Machine dimensions (L×W×H) | 3300×1090×2052mm |
| Machine weight | Approx. 800kg |
| Sewing head model | GS-7C |
| Sealing height (from floor) | 800–1700mm |
| Sealing temperature | 0 to 400℃ |
| Applicable materials | 3-layer flat-top paper bags (inner PE liner heat sealing, outer hot-melt tape) |
Specifications are subject to change without prior notice.
Product images may differ from the actual model configuration.
Bag-mouth cleaning (optional) → Inner bag heat sealing (4 heating-bar groups) → Roller pressing → Cutter: bag-mouth trimming → Sewing machine: outer bag stitching → Hot-melt tape → Heat sealing (3 heating-bar groups) → Roller pressing
| Model | GKS-243D |
| Sealing speed | 7–10m/min |
| Heating power | 0.5kW×14 |
| Sealing power | 0.55kW |
| Sewing power | 0.4kW |
| Bag mouth cleaning power | 0.55kW (optional) |
| Total power | 8.5kW |
| Machine dimensions (L×W×H) | 3670×1090×2052mm |
| Machine weight | Approx. 850kg |
| Sewing head model | GS-7C |
| Sealing height (from floor) | 800–1700mm |
| Sealing temperature | 0 to 400℃ |
| Applicable materials | 4-layer flat-top paper bags (inner PE liner heat sealing, outer hot-melt tape) |
Specifications are subject to change without prior notice.
Product images may differ from the actual model configuration.
Bag-mouth cleaning → Inner PE bag heat sealing (4 groups of heated bars) → PE inner bag pressing roller → Bag-mouth trimming → Bag-mouth folding and creasing roller → Bag-mouth folding → Hot-melt paper tape application → Hot-melt paper tape sealing (3 groups of heated bars) → Pressing roller compaction → Bag-mouth folding and hot-melt tape sealing completed
| Model | GKS-324D |
| Sealing speed | 7–10m/min (fatory setting 10m/min) |
| Sealing height (from floor) | 800–1700mm |
| Sealing temperature | 0 to 400℃ |
| Drive motor power | 0.75kW |
| Heating power | 0.5kW×12 |
| Total power | 8kW |
| Machine dimensions (L×W×H) | 3700×1020×2050mm |
| Bag-mouth clearance | ≥250mm (distance from product level to bag mouth) |
Specifications are subject to change without prior notice.
Product images may differ from the actual model configuration.