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Valve Bag Filling Machines

  • Orchid
  • Valve Bag Filling Machines

Valve Bag Filling Machines

Gravity, Pneumatic & Screw Feed Systems for Dust-Free & Precise Packaging

Orchid’s Valve Bag Filling Machines are engineered to deliver fast, accurate, and dust-free filling of powders and granules into valve-type bags. With three specialised models — Gravity Valve Bag Fillers, Pneumatic (Air) Valve Bag Fillers, and Screw (Auger) Valve Bag Fillers — Orchid provides the right solution for every material type, from free-flowing granules to fine or sticky powders.

How Our Valve Bag Filling Machines Work

Gravity Valve Bag Filler (Free-Flowing Powders & Granules)

  • Working Principle: Material flows freely from a hopper into the valve bag using gravity. Integrated load cells measure the weight, and filling stops automatically at the target.
  • Best For: Salt, sugar, fertilizer granules, seeds, grains, pellets.
  • Advantages: Simple design, high filling speed, very low maintenance.

Pneumatic Valve Bag Filler (Air/Fluidized Feed for Fine Powders)

  • Working Principle: Compressed air fluidizes the product and pushes it into the valve bag. Air escapes through filters, ensuring dust-free packaging.
  • Best For: Flour, starch, fly ash, cement, chemicals, lightweight powders.
  • Advantages: Fast filling for powders, clean operation, improved throughput.

Screw (Auger) Valve Bag Filler (For Sticky & Difficult Powders)

  • Working Principle: A rotating auger screw continuously pushes product into the bag under PLC-controlled speed. Ideal for powders with poor flowability.
  • Best For: Pigments, additives, polymer powders, specialty chemicals.
  • Advantages: High accuracy, reliable filling of sticky or non-free-flowing powders.

Comparison of Valve Bag Filling Systems

Type Best For Accuracy Speed Main Advantage
Gravity Free-flowing powders, grains ±0.5% High Simple, cost-effective, low maintenance
Pneumatic (Air) Fine, fluidizable powders ±0.3% Medium–High Dust-free, faster for fine powders
Screw (Auger) Sticky, difficult powders ±0.2% Medium High accuracy, handles challenging materials

Key Features

  • Bag Sizes: 10–50 kg valve bags (paper, woven PP, or multilayer).
  • High Accuracy: ±0.2–0.5% with load cell-based weighing.
  • Dust Control: Integrated suction ports with optional HEPA filters.
  • Semi-Automatic Operation: PLC + HMI for recipe storage and alarms.
  • Flexible Feeding Options: Gravity, pneumatic, or screw feeders.
  • Robust Construction: Mild Steel or SS304/316L for food & pharma.
  • Optional Add-Ons: Bag vibration/compaction units, flameproof compliance, SCADA/data logging.

Applications Across Industries

  • Food & Spices → Flour, starch, sugar, salt, grains, pulses, spices.
  • Chemicals & Petrochemicals → Fertilizers, catalysts, minerals, fly ash.
  • Pharmaceuticals & Nutraceuticals → Excipients, nutraceutical powders, bulk pharma ingredients.
  • Plastics & Polymers → Pigments, resins, polymer powders, additives.
  • Paints & Dyes → Pigments, titanium dioxide, colorants, fillers.
  • Power & Energy → Cement, fly ash, biomass powders.

Benefits of Choosing Orchid

  • Three different feeding systems to suit any material type.
  • Dust-free filling and optional deaeration for fine powders.
  • High weighing accuracy → reduced product giveaway.
  • Modular design with integration options for conveyors and palletizers.
  • Durable builds for continuous operation in demanding industries.
  • Industry-specific construction: stainless steel for food & pharma, MS for heavy-duty use.

Technical Highlights

  • Bag Size Range: 10–50 kg
  • Feeding Types: Gravity spout, pneumatic air packer, screw/auger feeder
  • Accuracy: ±0.2–0.5% depending on material
  • Speed: Up to 4–8 bags/min (240–480 bags/hour)
  • Construction: MS or SS304/316L contact parts
  • Automation: Semi-automatic with PLC & HMI
  • Optional Features: Dust collection system, bag compaction/vibration, flameproof compliance, SCADA integration
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❓ FAQ – Valve Bag Filling Machines

  • 1. What is a valve bag filling machine?
    👉 A valve bag filler is a packaging system designed to fill 10–50 kg valve bags with powders or granules using gravity, pneumatic, or screw feeding.
  • 2. What is the difference between gravity, pneumatic, and screw valve bag fillers?
    👉 Gravity fillers are best for free-flowing powders, pneumatic fillers for fine powders, and screw fillers for sticky or non-free-flowing powders.
  • 3. Can one valve bag filler handle multiple products?
    Yes. With interchangeable spouts and adjustable feeding, one machine can handle different powders and granules.
  • 4. How accurate are Orchid valve bag fillers?
    👉 Accuracy ranges from ±0.2–0.5%, depending on the feeding system and product. Screw fillers offer the highest precision.
  • 5. Are they suitable for food and pharma applications?
    Yes. With stainless steel construction and hygienic dust-free design, they are ideal for food, nutraceutical, and pharma industries.
  • 6. Can these machines be upgraded to automation?
    Absolutely. They can be integrated with automatic bag placers, conveyors, palletizers, and wrapping systems.
  • 7. What about maintenance requirements?
    👉 Maintenance is minimal. Gravity fillers have the least moving parts, while pneumatic and screw systems require routine checks of air supply and auger components.
  • Note
    👉 Choose Orchid’s Valve Bag Filling Machines — available in gravity, pneumatic, and screw types — for reliable, dust-free, and accurate packaging.