AI PP Woven Flat Bottom Valve Bag Making Machine
Ideal for cement bags, chemical bags, fertilizer bags, building materials. HAOSEN integrates top Chinese bag-making machinery factories — one-stop delivery, patent-verified, full after-sales backup.
| Metric | Value |
| HS008-Ⅲ | |
| Scrap Rate | < 0.1% |
| Control System | Schneider (France) |
| Visual Inspection | Standard (AI adaptive) |
| Missed Detection Rate | < 0.05% |
| Energy Saving | 10-30% (vector frequency conversion) |
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Overview & Technical Specifications
01
This HS008-Ⅲ AI valve bag making machine is a high-speed, precision block bottom valve sack production system designed for cement, chemical, fertilizer, and building material packaging. Powered by the Schneider (France) control system, it delivers super computing power with millisecond scanning cycles, surgical-level precision (2kHz servo response, <0.01mm dynamic error), 24/7 reliability in harsh environments (-20℃ to 60℃ with anti-interference design), and intelligent energy saving (10-30% reduction). The machine features innovative bag opening technology combining adsorption with conveying, a unique heat sealing system with adjustable nozzle width (1mm increments), independent servo motors for all functions, and a standard AI visual inspection system with <0.05% missed detection rate. HAOSEN sources this machine from China's top bag-making equipment factories, verified for patent clearance — completely independent invention, no risk of patent litigation.
Notes on Suitable Ingredients： PP/PE tubular woven fabric (double-sided or single-sided coating), with valve sticker and bottom sticker.
| Parameter | Specification |
| Basic Information | |
| Model | HS008-Ⅲ |
| Stable Working Speed | 120 – 130 bags/min |
| Bag Length (L) | 350 – 750 mm |
| Bag Width (W) | 300 – 600 mm |
| Bottom Width (W1) | 80 – 160 mm |
| Valve Length | 80 – 200 mm |
| Total Bag Length (L+W1) | 430 – 910 mm |
| Max Roll Diameter | Φ1500 mm |
| Max Sticker Roll Dia. | Φ1100 mm |
| Core Inner Diameter | Φ203.2 mm (8 inches) |
| Precision & Performance | |
| Dynamic Error | < 0.01 mm |
| Servo Response | 2 kHz |
| Scrap Rate | < 0.1% |
| Missed Detection Rate | < 0.05% |
| Rejection Rate | ≥ 96.5% |
| Environment & Energy | |
| Operating Temperature | -20℃ to 60℃ |
| Failure Rate | < 0.5% |
| Energy Saving | 10-30% |
| Installed Power | ~150 KW |
| Machine Weight | ~17000 KG |
| Dimensions | 12000 × 7500 × 2500 mm |
| Air Source | ≥0.6 MPa, Air consumption<1.5m³/min |
Key Advantages
02
Super Computing Power – Schneider Control System: French Schneider PLC with millisecond scanning cycle. Supports large-scale I/O expansion (tens of thousands of points). Processes massive signals (sensors, valves) instantly. Completes heat sealing, cutting commands in milliseconds. Coordinates multiple motors with complex algorithms. Efficiency increased by 30%+.
Surgical-Level Precision – 2kHz Servo Response: Servo drive speed loop response frequency reaches 2kHz — motor moves 20 times faster than a blink. Dynamic error <0.01mm. Even at 130 bags/min, achieves "needle-level" positioning. Eliminates skewed sealing and cutting burrs. Scrap rate drops by 50%.
24/7 Reliability – Harsh Environment Ready: -20℃ to 60℃ wide temperature range + anti-interference design. Stable operation in dusty, humid, voltage fluctuation environments. Failure rate <0.5%. Continuous production for 30 days without downtime maintenance. Worry-free, cost-saving.
Intelligent Energy Saving – Vector Frequency Conversion: Vector frequency conversion technology reduces motor energy consumption by 10-30%. Saves tens of thousands of yuan in electricity bills annually. Power modules dynamically adjust — automatic sleep in standby, intelligent boost under high load. Eliminates idling waste. Eco-friendly and cost-saving.
Standard AI Visual Inspection – Zero Defect Output: 4K line scan high-speed industrial camera. AI adaptive defect recognition. Detects base fabric defects (holes, joints, running wefts, missing yarn, scratches, overlap yarn) and bag making defects (patch offset, patch fold, bottom not formed, valve patch fold). Missed detection rate <0.05%. Intelligently removes waste bags — reduces 1-2 manual bag pickers per line.
Independent Servo Motors – One-Click Spec Change: All functions use independent servo motors. Bag width, valve position, bottom sticker position adjustable on touch screen without stopping the machine. Change bag specifications with one click. Single-sided lamination also easily heat-sealed. Avoids sticker folding.
Innovative Bag Opening + Heat Sealing Technology: Innovative bag opening technology combines adsorption with conveying system — high efficiency, stability, long life, easy maintenance. Unique heat sealing system with uniform air blowing, constant temperature, higher welding quality. Nozzle width adjustable in 1mm units without stopping the machine.
Patent-Safe – Independent Invention, No Litigation Risk: Our valve bag making machine has successfully avoided more than 20 foreign patents, especially 3 important invention patents. Completely independent invention with patented design. No risk of patent litigation — unlike competitors who have been sued by Starlinger for copying AD*STAR technology. Safe to buy, safe to use.
Complete Random Accessories & Wear Parts: Comes with comprehensive toolkit, 38+ types of consumable parts (heating tubes, thermocouples, filter cartridges, PTFE tubes, belts, cutters, etc.). Includes 2 sets of equipment documents + electronic USB drive. Ready for immediate operation.
Technical Details & Components
03
| Schneider Control System (France) | Super computing power — millisecond scanning cycle, large-scale I/O expansion. Processes massive signals instantly. Coordinates multiple motors with complex algorithms. Efficiency +30%. |
| Servo Drive System | 2kHz speed loop response frequency — 20x faster than blink. Dynamic error <0.01mm. Surgical-level precision for perfect positioning. |
| Visual Inspection System (Standard) | 4K line scan high-speed industrial camera. AI adaptive defect recognition. Detects base fabric defects + bag defects. Missed detection <0.05%. |
| Innovative Bag Opening Device | Combines adsorption with conveying system. Dual servo segmental control. Opens both sides of bag mouth along fixed angle. High efficiency, stability, long life. |
| Unique Heat Sealing System | Uniform air blowing, constant temperature. Nozzle width adjustable in 1mm units without stopping. Single-sided lamination easily heat-sealed. |
| Independent Servo Motors | Bag width, valve position, bottom sticker position adjustable on touch screen. One-click spec change. Avoids sticker folding. |
| Forming Device | Triangular forming device with two sets of triangular plate mechanisms operating alternately. Width adjustable for different bag mouth requirements. |
| Bag Body Unwinding Device | Passive unwinding with magnetic powder brake. Imported edge corrector (deviation ≤±1mm). Roll end alarm detection. |
| Welding Device | Ultra-high temperature heating gun with adjustable temperature. Thermocouple detection. Servo-controlled steering shaft. Power failure protection. |
| Folding Device | Fixed folding track through multiple folding plates. Width adjustable by lead screw — simple, accurate. |
| Valve & Bottom Sticker Device | Passive unwinding with edge correction. Independent servo cutter and transfer mechanism. Position adjustable via touch screen. |
| Finished Product Stacking | Counting and stacking with servo-controlled conveying. Travel distance adjustable on touch screen. |
| Protection System | Aluminum alloy bracket + stainless steel mesh safety guards. Start-up alarm, fault display. Automatic stop when safety door opens. |
| Electrical Configuration | Schneider (France) PLC/servo/touch screen. Weidmüller (Germany) distribution. Panasonic/SICK/Omron sensors. Omron/Autolise temperature controllers. |
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Why HAOSEN?
04
| This HS008-Ⅲ — >200 patents, 10+ years R&D, annual R&D investment >10% of revenue. | |
| Independent invention, avoided >20 foreign patents, especially 3 important invention patents. No litigation risk for you. Safe to buy, safe to use. | |
| You deal only with HAOSEN — we coordinate extruder, circular loom, laminating, printing, bag making, valve bag making. One interface, 5-6 factories managed. | |
| Complete line delivered together — one inspection, one shipment, one customs clearance. Guarantee 100% success. | |
| Chinese engineers for installation, commissioning, training — your team runs independently in 2-4 weeks. Free electronic control system upgrades for 3 years. | |
| Our turnkey service covers everything from design to production—or your money back. |
Important Patent Notice: Starlinger has sued Chinese copyists for patent infringement. Our HS008-Ⅲ is completely independent invention, avoided >20 foreign patents, especially 3 important invention patents. No litigation risk for you.
Success Stories & Trust
05
A Vietnamese cement bag manufacturer needed a high-speed valve bag machine for their new production line. They were concerned about patent infringement risks after hearing about Starlinger lawsuits against Chinese copyists. HAOSEN recommended HS008-Ⅲ with Schneider control and standard visual inspection. "The machine runs at 125 bags/min consistently. The visual inspection system catches every defect — we eliminated manual bag picking. Best of all, the independent patent design gives us complete peace of mind," said the factory manager.
--Southeast Asia Cement Valve Bag Factory (Vietnam)
A Saudi customer needed a valve bag machine for plaster and mortar packaging. Their old machine had high scrap rate and frequent breakdowns in hot, dusty conditions. HAOSEN supplied HS008-Ⅲ with -20℃ to 60℃ wide temperature range design. Production started within 90 days. "The machine runs 24/7 in 50℃ heat without issues. Scrap rate dropped from 2% to below 0.1%. The energy saving feature reduced our electricity bill by 25%," said the plant owner.
-- Middle East Building Materials Bag Plant (Saudi Arabia)
"We researched valve bag machines from Europe and China. European machines were expensive with long lead times. Some Chinese machines had patent infringement risks. HAOSEN's HS008-Ⅲ offered the best solution — Schneider control, 130 bags/min, standard vision inspection, and most importantly, patent-safe independent design. The machine arrived on time, the engineer stayed 3 weeks and trained our team. Now we produce 60,000 bags per shift with <0.1% waste." — Indonesia customer, cement bag manufacturer
Certifications: ✅ CE Certified ✅ AAA Credit Enterprise ✅ 50+ Partner Factories ✅ Export to 30+ Countries ✅ >200 National Patents (28 invention announcements, 15 invention patents, 94 utility model patents)
Certifications: ✅ CE Certified ✅ AAA Credit Enterprise ✅ 50+ Partner Factories ✅ Export to 30+ Countries ✅ >200 National Patents (28 invention announcements, 15 invention patents, 94 utility model patents)
-- Customer Reviews
Solving Your Pain Points
06
| Customer Pain Point | HAOSEN Solution |
| Pain Point 1: Foreign patent infringement lawsuits — Starlinger suing Chinese copyists, customers also sued for buying infringing machines | ✅ HAOSEN Solution: Independent invention, >200 national patents, avoided >20 foreign patents, completely patent-safe. No litigation risk for you. |
| Pain Point 2: Hot cutting produces smoke, bag mouths stick — filling line rejects bags, workers complain | ✅ HAOSEN Solution: Unique heat sealing system with uniform air blowing, constant temperature — clean welds, no sticking, higher quality. |
| Pain Point 3: Inconsistent welding quality — bags fail quality inspection, customer complaints | ✅ HAOSEN Solution: Nozzle width adjustable in 1mm units, ±0.01mm precision — perfect seals every time, even for single-sided lamination. |
| Pain Point 4: Long setup time for different bag sizes — production downtime, labor waste | ✅ HAOSEN Solution: Independent servo motors + touch screen adjustment — change bag specifications with one click, no stopping. |
| Pain Point 5: High scrap rate — material waste, increased production cost | ✅ HAOSEN Solution: <0.1% scrap rate — dramatic reduction in waste, saves thousands in material costs annually. |
| Pain Point 6: Can't detect defects — defective bags reach customer, complaints, returns | ✅ HAOSEN Solution: Standard AI visual inspection — detects base fabric defects + bag making defects, missed detection <0.05%, intelligently removes waste. |
| Pain Point 7: Need 4-5 workers for manual bag picking — high labor cost, fatigue leads to missed defects | ✅ HAOSEN Solution: One production line reduces 1-2 bag pickers with visual inspection — saves labor costs, eliminates fatigue errors. |
| Pain Point 8: Machine fails frequently in dusty/humid conditions — downtime, lost production | ✅ HAOSEN Solution: -20℃ to 60℃ wide temperature range + anti-interference design — stable in harsh environments, failure rate <0.5%. |
| Pain Point 9: High energy consumption — increased operating cost | ✅ HAOSEN Solution: Vector frequency conversion — reduces energy by 10-30%, saves tens of thousands annually. |
| Pain Point 10: Need to stop machine to adjust heat sealing width — downtime, lost output | ✅ HAOSEN Solution: Nozzle width adjustable on the fly in 1mm units — adjust without stopping. |
| Pain Point 11: Single-sided lamination difficult to heat seal — poor quality, rejects | ✅ HAOSEN Solution: Unique heat sealing system — easily heat-seals single-sided lamination without issues. |
| Pain Point 12: Hard to find replacement parts locally — long downtime | ✅ HAOSEN Solution: Complete random accessories (38+ types) included; HAOSEN parts warehouse in India/SE Asia — common parts in 3 days. |
Applications
07
| Industry | Typical Products | Bag Type | Key Benefits |
| Cement | Cement bags, valve bags | Block bottom valve sack | 130 bags/min, <0.1% scrap, vision inspection |
| Building Materials | Plaster bags, mortar bags, dry mix bags | Block bottom valve sack | Wide temp range, dust-proof, 24/7 operation |
| Chemical | Chemical powder bags, fertilizer bags | Block bottom valve sack | Single-sided lamination heat-seal capable |
| Food | Flour bags, sugar bags, starch bags | Block bottom valve sack | Clean welding, no contamination |
| Agriculture | Seed bags, feed bags | Block bottom valve sack | One-click spec change for different sizes |
| Minerals | Bentonite bags, cement bags, sand bags | Block bottom valve sack | Heavy-duty construction, low maintenance |
Bag Size Range
| Parameter | Min | Max |
| Bag Length (L) | 350 mm | 750 mm |
| Bag Width (W) | 300 mm | 600 mm |
| Bottom Width (W1) | 80 mm | 160 mm |
| Valve Length | 80 mm | 200 mm |
| Total Length (L+W1) | 430 mm | 910 mm |
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