HS Series FIBC Bag Sewing Machine
Ideal for FIBC jumbo bags, container bags, bulk bags, and heavy-duty PP/PE woven bags — with anti-leak strip sewing, baffle sewing, and multi-layer heavy fabric handling. HAOSEN integrates top Chinese factories, one-stop delivery, patent-verified, full after-sales backup.
| Metric | FGB6800D Single Needle | GK80800 Strap Sewing | 80700CD4 Double Needle | 81300 Overlock |
| Stitch Type | Lock stitch (301) | Chain stitch | Chain stitch (401) | Chain + Overlock |
| Needle Count | Single | Single / Double | Double | Double |
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Overview & Technical Specifications
01
FGB6800D Single Needle Sewing Machine
Features a single straight needle with shuttle hook thread and upper/lower composite synchronous feeding. Produces double-thread lock stitch (301) for secure, tamper-resistant seams. With back sewing, manual presser foot lifting, and 0-12mm adjustable stitch length, it handles both thin and thick materials with smooth feeding and stable stitch quality.
GK80800 Strap Sewing Machine
Available in single-needle (two-thread) and double-needle (four-thread) chain stitch models. Features upper and lower feed dogs, automatic circulation lubrication, servo motor drive, pneumatic presser foot lift, and hot thread cutter. The flat base with large operating space (524×160mm) is specially designed for big-size FIBC bags and baffle sewing.
80700CD4 Double Needle Sewing Machine
Double needle four-thread chain stitch with larger sewing space for smooth FIBC sewing. Can simultaneously sew anti-leak strips on both upper and lower layers. Features electrical control presser foot lifting and electrical heating chain thread cutter. With max sewing thickness of 18mm and stitch length up to 14mm, this machine is ideal for bags with upper/lower leak-proof strips and filling/discharge ports.
81300 Overlock Sewing Machine
Combines chain stitch with overlock stitch in a four-thread safety stitch design. Features two needles, upper feed mechanism, and flat table. With maximum sewing thickness of 22mm and overedging width of 15mm, it is specially designed for heavy-duty PP woven bags and FIBC bags requiring edge protection.
Metric & Value
| Metric | FGB6800D Single Needle | GK80800 Strap Sewing | 80700CD4 Double Needle | 81300 Overlock |
| Max. Speed | 1000 RPM | 2000 RPM | 1400 RPM | 1400 RPM |
| Max. Sewing Thickness | — | 10 mm | 18 mm | 22 mm |
| Stitch Length | 0-12 mm | 11-16 / 100mm | 6.5-14 mm | 6-13 mm |
| Operating Space | 200×420 mm | 524×160 mm | — | — |
| Net Weight | 98 kg | — | — | 52 kg |
Technical Specification Table — FGB6800D Single Needle
| Parameter | Specification |
| Model | FGB6800D |
| Function | Single needle FIBC bag sewing machine |
| Stitch Type | Lock stitch (301) — double thread |
| Needle Type | 7 × 250-300 |
| Sewing Speed | 1000 S/min |
| Stitch Length | 0-12 mm |
| Presser Foot Lift | 0-14 mm |
| Operating Space | 200 × 420 mm |
| Needle Stroke | 58 mm |
| Motor Power | 550W, 1400R/min (Motors specifically designed for sewing machines |
| Net Weight (Head) | 98 kg |
Technical Specification Table — GK80800 Strap Sewing Machine
| Parameter | Specification |
| Model | GK80800 |
| Function | Strap/baffle sewing machine for FIBC bags |
| Stitch Type | Chain stitch (single needle two-thread / double needle four-thread) |
| Max. Speed | 2000 RPM |
| Working Speed | 1800 RPM |
| Stitch Length | 11-16 stitches / 100mm |
| Max. Sewing Thickness | 10 mm |
| Needle Type | DR × 2-26 |
| Thread Specification | 21-count polyester thread |
| Feeding | Upper and lower feed dogs (synchronous) |
| Motor | Servo motor, 220V 550W |
| Lubrication | Drip oil cup + automatic lubrication |
| Operating Space | 524 × 160 mm |
Technical Specification Table — 80700CD4 Double Needle
| Parameter | Specification |
| Model | 80700CD4 |
| Function | Double needle FIBC bag sewing machine |
| Stitch Type | Chain stitch (401.401) SSa-2 |
| Needle Spacing | 7.2 mm (18ga) |
| Max. Sewing Thickness | 18 mm |
| Stitch Length | 6.5-14 mm (standard 12mm) |
| Standard Needle | 9848G300/120 |
| First Wheel Diameter | 150 mm |
| Max. Sewing Speed | 1400 S/min |
| Special Features | Electrical presser foot lift + electrical heating chain thread cutter |
Technical Specification Table — 81300 Overlock Machine
| Parameter | Specification |
| Model | 81300 |
| Function | Overlock + chain stitch FIBC bag sewing machine |
| Stitch Type | Chain stitch + overlock stitch (four-thread safety stitch) |
| Max. Sewing Width | 20 mm |
| Max. Overedging Width | 15 mm |
| Max. Sewing Speed | 1400 S/min |
| Stitch Length | 6-13 mm |
| Max. Sewing Thickness | 22 mm |
| Needle Type | UY9853G430 |
| Needle Clearance | 5 mm |
| Feeding | Upper and lower feed |
| Motor Power | 550W |
| Net Weight (Head) | 52 kg |
Key Advantages
02
Complete FIBC Sewing Solution — 4 Specialized Models
One-stop selection for all FIBC sewing needs: single needle for basic closure, double needle for anti-leak strips, strap sewing for baffles and lifting loops, overlock for edge protection. No need to source from multiple suppliers.
High-Speed Production — Up to 2000 RPM
GK80800 delivers up to 2000 RPM for maximum throughput. All models are engineered for continuous industrial operation with minimal downtime.
Heavy-Duty Capacity — Up to 22mm Thickness
Lock machines handle up to 22mm sewing thickness (81300) — sew multiple layers of heavy PP/PE woven fabric, webbing, and anti-leak strips with ease.
Superior Stitch Quality — Lock & Chain Stitch Options
Lock stitch (301) for tamper-resistant security; chain stitch (401) for elasticity and strength; overlock for edge finishing. Choose the right stitch for every application.
Synchronized Upper & Lower Feeding
All models feature upper and lower feed dog synchronization — ensures consistent feeding rate between top and bottom layers, eliminating puckering and misalignment even on high-friction materials.
Specialized Features for FIBC Production
1. Anti-leak strip sewing (80700CD4) — sew upper and lower leak-proof strips simultaneously
2. Baffle sewing (GK80800) — large operating space for big-size FIBC baffle stitching
3. Hot thread cutter (GK80800) — clean, precise thread trimming
4. Electrical presser foot lift (GK80800 / 80700CD4) — reduces operator fatigue
5. Back sewing & cross-stitching (FGB6800D) — reinforces high-stress areas
2. Baffle sewing (GK80800) — large operating space for big-size FIBC baffle stitching
3. Hot thread cutter (GK80800) — clean, precise thread trimming
4. Electrical presser foot lift (GK80800 / 80700CD4) — reduces operator fatigue
5. Back sewing & cross-stitching (FGB6800D) — reinforces high-stress areas
Robust Construction — Long Service Life
Heavy-duty cast iron frames, precision-ground components, and automatic lubrication systems ensure years of reliable operation in demanding factory environments.
Easy Maintenance — Readily Available Wear Parts
Complete wear parts lists provided for each model. HAOSEN maintains local parts warehouses in India and Southeast Asia — common parts delivered within 3 days.
Technical Details & Components
03
FGB6800D Single Needle — Key Components:
| Component | Description |
| Single Straight Needle System | Uses 7×250-300 needle type with shuttle hook threading. Produces double-thread lock stitch (301) for secure, tamper-resistant seams on FIBC bags. |
| Upper & Lower Synchronized Feeding | Composite synchronous feeding ensures consistent material flow between upper and lower layers — eliminates puckering and misalignment on heavy woven fabrics. |
| Back Sewing Mechanism | Enables reverse stitching for seam reinforcement at bag corners and high-stress areas — prevents seam failure under heavy loads. |
| Manual Presser Foot Lift | 0-14mm presser foot lift for easy material insertion and removal. Simple mechanical operation — reliable and low-maintenance. |
| Heavy-Duty Cast Iron Frame | 98kg net weight ensures stability during high-speed sewing — minimizes vibration for consistent stitch quality. |
GK80800 Strap Sewing Machine — Key Components:
| Component | Description |
| Single / Double Needle Option | Available in single-needle two-thread or double-needle four-thread chain stitch. Double-needle provides extra strength for heavy-load FIBC baffle sewing. |
| Servo Motor Drive | 220V 550W servo motor for precise speed control, energy efficiency, and quiet operation. Reduces power consumption compared to traditional clutch motors. |
| Pneumatic Presser Foot Lift | Air-operated presser foot lifting for rapid material positioning and removal — reduces operator fatigue and speeds up production. |
| Hot Thread Cutter | Electric heating element cuts thread instantly with a clean, sealed end — eliminates fraying, saves time, and produces professional finish. |
| Automatic Lubrication System | Continuous oil circulation keeps all moving parts properly lubricated — extends machine life and reduces maintenance frequency. |
| Large Operating Space | 524×160mm working area — specially designed for big-size FIBC bags and baffle sewing with easy fabric maneuverability. |
80700CD4 Double Needle — Key Components:
| Component | Description |
| Double Needle Four-Thread System | Chain stitch (401.401) SSa-2 with 7.2mm needle spacing. Sews two parallel rows of chain stitch simultaneously for double seam strength on FIBC bags. |
| Anti-Leak Strip Sewing Capability | Simultaneously sews upper and lower anti-leak strips in one pass — ensures leak-proof sealing for fine powder and liquid applications. |
| Electrical Presser Foot Lift | Motorized presser foot lifting reduces operator effort, enabling faster work with less fatigue. |
| Electrical Heating Chain Thread Cutter | Heated cutting element cleanly severs chain threads without fraying — ensures clean, professional seam ends and prevents thread unraveling. |
| High Sewing Capacity | 18mm max thickness with 6.5-14mm stitch length. Handles multi-layer heavy fabric, webbing, and anti-leak strips with ease. |
81300 Overlock Machine — Key Components:
| Component | Description |
| Chain + Overlock Combination Stitch | Four-thread safety stitch combines chain stitch with overlock in one pass. Provides strong seam plus edge protection against fraying. |
| Upper & Lower Feed Mechanism | Synchronized upper and lower feeding ensures consistent material flow even on heavy, multi-layer FIBC fabrics. |
| 22mm Maximum Thickness | Highest sewing capacity in the series — handles the thickest FIBC materials, including laminated and multi-layer constructions. |
| 15mm Overedging Width | Provides wide edge coverage for maximum protection against fraying — improves bag durability and appearance. |
| 52kg Lightweight Head Section | Easy to install, move, and maintain. Ideal for factories with multiple production lines requiring machine flexibility. |
b1 (26)
b2 (26)
b3 (25)
b5 (25)
b6 (18)
b7 (16)
b4 (26)
Why HAOSEN?
04
| We screened 30+ sewing machine factories to select these reliable FIBC sewing machine suppliers — clean patents, verified after-sales, proven quality. | |
| You deal exclusively with HAOSEN. We coordinate extrusion, circular loom production, lamination, printing, bag manufacturing, and sewing—5–6 factories, all through a single point of contact. | |
| The entire production line is delivered in a single shipment—one inspection, one shipment. There is no need to coordinate with multiple suppliers across the country. | |
| Engineers stationed in China will be responsible for installation, commissioning, and training. Your local team will be able to operate independently within 2 to 4 weeks. | |
| We maintain spare parts warehouses in India and Southeast Asia—common spare parts are delivered within 3 days; we provide 24/7 remote technical support. | |
| From design to production—we provide a complete turnkey solution, or your money back. |
Solving Your Pain Points
05
| Customer Pain Point | HAOSEN Solution |
| Pain Point 1: FIBC bag seams burst during filling — heavy loads cause seam failure, customer claims | ✅ HAOSEN Solution: Lock stitch (FGB6800D) and chain stitch machines provide strong, secure seams. Double needle option (80700CD4) adds extra strength for heavy-load applications. |
| Pain Point 2: Anti-leak strips are difficult to sew — misalignment, poor seal quality | ✅ HAOSEN Solution: 80700CD4 double needle machine simultaneously sews upper and lower anti-leak strips with precise alignment — ensures leak-proof FIBC bags for fine powders. |
| Pain Point 3: Inconsistent feeding on thick, slippery materials — puckered seams, uneven stitch length | ✅ HAOSEN Solution: Synchronized upper and lower feed dogs ensure consistent feeding rate on both layers — eliminates puckering, even on heavy laminated fabrics and webbing. |
| Pain Point 4: Slow production speed — can't meet high-volume orders | ✅ HAOSEN Solution: GK80800 delivers up to 2000 RPM, maximizing daily output. All models are designed for continuous high-speed operation. |
| Pain Point 5: Baffle sewing is difficult on large FIBC bags — limited operating space | ✅ HAOSEN Solution: GK80800 features 524×160mm operating space — specially designed for big-size FIBC bags and baffle sewing with easy maneuverability. |
| Pain Point 6: Operator fatigue from manual presser foot lifting — reduced productivity | ✅ HAOSEN Solution: Electrical presser foot lift (GK80800 / 80700CD4) reduces operator effort, allowing faster, more consistent work. |
| Pain Point 7: Edge fraying and weak bag corners — reduced bag strength and appearance | ✅ HAOSEN Solution: 81300 overlock machine combines chain stitch with overlock — protects edges from fraying, extends bag life, improves appearance. |
| Pain Point 8: Thread trimming is time-consuming and messy | ✅ HAOSEN Solution: Hot thread cutter (GK80800) provides clean, instant thread trimming — saves time and produces professional finish. |
| Pain Point 9: Need to coordinate with multiple sewing machine suppliers — different models, different warranties | ✅ HAOSEN Solution: HAOSEN supplies all four FIBC sewing machine models — one point of contact, one warranty, one parts supply. |
Applications
06
| Industry | Typical Products | Recommended Machine |
| Cement & Building Materials | Cement FIBC bags, mortar bags, aggregate bulk bags | FGB6800D, 81300 |
| Chemicals & Fertilizers | Chemical bulk bags, fertilizer FIBC, powder bags | 80700CD4 (with anti-leak strips) |
| Agriculture | Grain bags, feed bags, seed bulk bags | FGB6800D, GK80800 |
| Food | Flour bags, sugar bulk bags, spice FIBC | 80700CD4, FGB6800D |
| Mining & Minerals | Ore bulk bags, mineral powder bags, aggregate bags | 81300, GK80800 |
| Logistics & Transport | Container bags, shipping bulk bags, flexitank outer bags | GK80800, 80700CD4 |
| Construction | Sand bags, gravel bags, debris removal bags | 81300, FGB6800D |
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