HBF-J Series
Jumbo Bag Filling System
Bulk (jumbo/FIBC) bag filling system for powders and granular bulk material, 500kg–2 tonne bag sizes.
Manufacturing
Built, installed & supported by HMT
Compliance support
Calibration & Legal Metrology guidance
System ready
Automation, ticketing & ERP integration
01Overview
Fills and weighs jumbo/FIBC (flexible intermediate bulk container) bags to target weight, typically with a bag-support frame, filling spout, and dust-controlled loading head.
02How it works
The support frame carries the bag through the fill
An FIBC (flexible intermediate bulk container, commonly called a jumbo or bulk bag) has no rigid structure of its own — it's fabric, and needs external support to stay upright and properly shaped while it fills with 500kg to 2 tonnes of material. The bag support frame holds the empty bag's lifting loops open and upright, and as it fills, the frame keeps the bag correctly positioned under the filling spout rather than sagging or shifting off-center.
Weighing the bag as it fills, not after
The support frame itself sits on, or is integrated with, a load-cell weighing system, so the bag's weight is tracked continuously through the fill and the system doses to the target weight the same fill-to-weight way a drum or bag filler does — rather than filling a fixed volume or time and checking the weight afterward.
Dust control at the point of highest risk
The moment material drops into the bag through the filling spout is when the most dust becomes airborne — a dust-controlled filling head is specifically engineered to contain that at the point of entry, rather than relying on general ventilation to clear dust after the fact.
03Manufacturing & build quality
The bag support frame is fabricated as a rigid steel structure sized to the FIBC bag range it will handle (500kg–2 tonne), engineered to hold the bag's lifting loops securely while integrating load cells into the frame's support structure so bag weight is tracked throughout the fill. The dust-controlled filling head and spout assembly is built with containment features designed to capture dust at the point material enters the bag, and is mechanically tested for consistent, controlled material flow before being paired with the weighing frame. The complete system — frame, load cells, spout, and dust control — is functionally tested through fill cycles with reference loads and calibrated before dispatch.
04Problems it solves
Manual bulk bag filling inconsistency and safety risk
Filling a large bulk bag without a proper support frame risks the bag shifting, tipping, or being unevenly filled, which is both a product-quality and a worker-safety concern given the weight involved.
Dust exposure and explosion risk in powder handling
Many bulk powders present both a respiratory hazard and, in some cases, a dust explosion risk if allowed to become airborne in quantity — a dust-controlled filling head is a direct mitigation for that risk at the point it's generated.
Bag support failure under partial-fill sway
A partially filled bag has an uneven, shifting center of mass that can strain or destabilize an inadequate support structure — a properly engineered frame is designed to handle that dynamic load through the full fill cycle, not just the final static weight.
Weight variance affecting downstream logistics cost
Bulk bags are frequently billed and transported based on declared weight — inconsistent fill weight from bag to bag creates downstream logistics and billing discrepancies that accurate fill-to-weight dosing prevents.
05Why it matters
Filling half-tonne to two-tonne bulk bags isn't a scaled-up version of packaged bag filling — the sheer mass involved changes the safety stakes if the bag isn't properly supported, and the dust volume involved changes the health and explosion-risk stakes if it isn't properly contained. A jumbo bag filling system is built around both of those realities specifically, not as an afterthought bolted onto a smaller-scale bag filler, which is why the support frame and dust control are engineered together as one system rather than treated as separate concerns.
06Salient features
- Fill-to-weight dosing with load-cell weighing frame
- Bag support frame for 500kg–2 tonne FIBC bags
- Dust-controlled filling head
08Technical file
Need the full technical sheet?
Request drawings, model-specific details and project documentation from the HMT team. A downloadable product file will appear here once approved.
09Complete system
Plan beyond the deck.
A vehicle weighing point can combine the weighbridge with indicator, load cells, traffic management and H-Weigh software for an accountable end-to-end workflow.
08In the field
09Frequently asked
What bag sizes does the system support?
500kg to 2 tonne FIBC bags — confirm your specific bag dimensions and lifting loop configuration are compatible with the frame at the time of ordering.
How does the dust control system actually work?
The filling head is designed to contain dust at the point material enters the bag, typically through a shrouded or sealed spout arrangement — the specific mechanism should be discussed against your material's dust characteristics, since fine, dry powders present more dust risk than coarser or moister bulk materials.
What's a realistic filling speed?
Fill speed depends on the material's flow characteristics and the target weight accuracy required — freer-flowing materials fill faster than materials prone to bridging or clumping in the filling spout.
Can it handle a range of different bulk materials, or is it material-specific?
The core weighing and support principle applies broadly across bulk powders and granular materials, though spout and dust-control configuration may need adjustment for materials with very different flow or dust characteristics.
Does the bag support frame work with different bag types (loop, sleeve, spout configurations)?
Frame configuration needs to match your specific bag's lifting and filling arrangement — confirm your FIBC bag type against the frame's supported configurations before ordering.
10Industries this serves
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