Base Model Bulk Bag Fillers

An economic alternative for low volume bulk bag filling

Our Base Model Bulk Bag Fillers have a simple frame for low volume filling of non-hazardous materials.

Our Spirofil Base Model Bulk Bag Fillers have a simple frame, are robust and can be constructed from Steel-It polyurethane coated carbon/mild steel or stainless steel as the environment dictates.  Bulk bag unloading can be by forklift or pallet truck.

The inflatable neck seal ensures that dust doesn’t escape into the atmosphere.  The filling head contains a dust filter to remove material carried away in the stream of displaced air.  Filtration is unnecessary for dust-free granular materials such as certain plastics.

Features

  • Low Cost Volumetric Filling
  • Dust-free
  • Total Containment
  • Forklift Bag Removal
  • Pallet Truck Bag Removal
  • HOW IT WORKS & BENEFITS
  • YOUR REQUIREMENTS
  • APPLICATIONS
  • MODELS & SPECIFICATIONS
  • CONFIGURATIONS
  • COMPONENTS & OPTIONS
  • CONTROLS

HOW IT WORKS & BENEFITS

Our Base Model Simple Frame Bulk Bag Fillers are of particular interest to companies using bulk bags to store and/or transfer raw materials, semi-processed or finished products.  This economical choice should be considered when:

  • Flow control is handled by a feeder, conveyor or other means of delivery.
  • An operator continuously monitors the fill progress or material delivery operates on a timer or is transferring pre-weighed batches.
  • No weights and measures guarantees are required.
  • Only a few bags are to be filled per day.
  • The product deaerates well and therefore doesn’t require compaction. Alternatively, filling needs are so low that the bags can be left to hang until stable. Unstable bags containing aerated material are a safety hazard as they can fall over.
  • Our Spirofil Base Model Simple Frame Bulk Bag Fillers are robust and are constructed from Steel-It polyurethane coated carbon/mild steel or stainless steel as the environment dictates.  Filled bulk bags can be removed by forklift or pallet truck.

The inflatable neck seal ensures that dust doesn’t escape into the atmosphere.  The filling head contains a dust filter to remove material carried away in the stream of displaced air.  Filtration is unnecessary for dust-free granular materials such as certain plastics.

Spiroflow only offers their Spirofil Simple Frame Bulk Bag Fillers for applications where we are confident of their suitability.

YOUR REQUIREMENTS

Before selecting a particular bulk bag filler, some key factors need to be considered. This not only helps to assess a customer’s own particular needs but also assists our design engineers in determining the optimum system for those needs.

Q. How do we handle the bulk bag?

A. By pallet or by the bag loops.

Q. What bag style and size do we use?

A. At this stage, you should consult both the bag manufacturer and Spiroflow. The bag needs to optimize all its volume for safe storage and transport.

Q. How do we contain dust?

A. An inflatable neck seal effectively contains the dust during filling. All our filling heads have an inner product flow and an outer annulus for dust evacuation.  A dust extraction port is also included.

Q. Can the filling system be automated?

A. If filling by volume, options such as pallet dispensers, automatic bag loop release, bag take-off and accumulation conveyors should be considered. These can be added at a future date to standard Spiroflow bulk bag filling equipment.

Q. Will the equipment need to be grounded?

A. If the area poses an explosion risk, static dissipative or groundable bags may be recommended together with a suitable static monitoring device.

Q. Do we need a bag liner?

A. If the product is very fine, you probably will, to prevent leakage or moisture ingress. However, various alternatives can be used such as coated bags or special bag seams. The liner must be inflated correctly to avoid creasing and subsequent discharge problems.

Q. Is your product highly aerated?  Do you have problems producing upright, stable bags?

A. Usually, yes. Vibration at the base of the unit deaerates and compacts the product to optimize the bag volume and form a safe and stable load. The CTE bulk bag filler uses our patented Cone Table densification for highly aerated powders.

Q. Is automatic loop release and height adjustment available?

A. Automatic loop release is available but height adjustment is not offered on the CS Base Filler the C-Series & CTE bulk bag fillers offer height adjustment. Yes, automatic loop release of filled bags is a useful labor-saving option for pallet loaded bags. Powered height adjustment is also recommended if different sized bulk bags are being filled in order to speed up the filling process.

Q. Can the equipment be adapted to fill other containers?

A. Yes. Spiroflow supplies a range of options for filling rigid bins, drums, and boxes/octabins.

APPLICATIONS

Here is an example of one of the many processing solutions we provide utilizing CS Bulk Bag Fillers.

MODELS & SPECIFICATIONS

The Base Model Simple Frame CS Bulk Bag Filler is used for filling of bulk bags by volume.

Specifications

Model

Base Model Simple Frame CS Bulk Bag Filler

Description

This filler is used for filling bulk bags by volume rather than weight.

Welded to a steel base plate are two vertical pipes on which the horizontal loop support arms can be vertically adjusted. Mounted above the two loop arms is a frame that supports the filling nozzle if included. The two sliding sections are provided with locking pins for positive location. Filled bags are removed by releasing the neck from the filling spout, lifting the pallet & filled bag a few inches with a forklift & backing the bag out of the filler.

Note: This system cannot be retrofitted with weighing, vibration or auto height adjustment.

An alternative design is available for removing bulk bags by their loops.

Fill Rate & Bag Capacity

  • Up to 20 bulk bags/hour
  • Bag capacity – 4,400 lb/2,000kg

Standard Materials of Construction

Carbon/mild steel or stainless steel materials of construction

Frame Style & Standard Components

  • 2 Post Design - Two vertical tubes welded to the steel base plate
  • Steel base plate
  • Vertically adjustable horizontal loop support arms
  • Filling nozzle and frame
  • Sliding sections with locking pins for positive location

Load Cells

None

Typical Dimensions

  • Height: 94”/239cm
  • Width: 48”/122cm
  • Depth: 48”/122cm with average pallet

Pneumatic Requirements

80 psi/5.5 bar @ 30 CFM (850 l/cycle) for inflatable neck seal & bag inflation

Electrical Requirements

None

Energy Consumption

None

Dust Control/ Air Displacement

Fill nozzle with dust extraction vent

The filling nozzle design includes an inner open-ended cylinder, with a second concentric cylinder (one end closed by an annulus) attached to it.

The product passes through the center cylinder into the bulk bag while displaced air & dust is routed through the outer chamber & through a dust sock to a dust collection (by customer) connection.

Bags are secured to the nozzle with an outer spring clamp.

Product Contact Surfaces: Stainless Steel Only

Check out our Bulk Bag Filler Comparison Chart

This document compares our bulk bag filler offerings based on specifications & options. Our engineers will assess your application needs & recommend the optimal filling system.

CONFIGURATIONS

The Base Model Simple Frame CS Bulk Bag Filler is offered in a stand-alone configuration.  Custom designs are available.

COMPONENTS & OPTIONS

Base Model Simple Frame CS Bulk Bag Filler

Standard Components
Spirofil CS Simple Frame Bulk Bag FillerThis filler is used for filling bulk bag by volume rather than weight.

Welded to a steel base plate are two vertical pipes on which the horizontal loop support arms can be vertically adjusted. Mounted above the two loop arms is a frame that supports the filling nozzle if included. The two sliding sections are provided with locking pins for positive location. Filled bags are removed by releasing the neck from the filling spout, lifting the pallet & filled bag a few inches with a forklift & backing the bag out of the filler.

This system cannot be retrofitted with weighing, vibration or auto height adjustment. If your application requires these features you may wish to consider our C-Series bulk bag fillers.
Optional Components
Access PlatformThe left or right-side access platform is fabricated from heavy angle & bar material with tubular handrails & checker or grid footplate.

Offered in carbon/mild steel with Steel-It paint or 304 stainless steel
Fill Nozzle with Dust Extraction PortThe filling nozzle design includes an inner open-ended cylinder, with a second concentric cylinder (one end closed by an annulus) attached to it.

The product passes through the center cylinder into the bulk bag while displaced air & dust is routed through the outer chamber & through a dust sock to a dust collection (by customer) connection.

Bags are secured to the nozzle with an outer spring clamp.

An optional inflatable neck seal is also available.
3-Position Slide Gate Fill Control ValveThe stainless steel slide & aluminum frame complete with a pneumatic actuator is set up for three-position bulk/dribble/closed feed operation.

The valve is attached to the end user's upstream equipment & is connected to the bulk bag filler via a flexible isolation boot.
2-Position Clean ValvePneumatically Operated 2-Position Knife Gate Valve

Stainless Steel Contact Metal Construction

The two positions allow for closing off the fill head & eliminating any dribble from the flex during carriage travel while there is no bag in place.
2-Position Knife Gate ValveThe 2-position knife gate valve is pneumatically operated with stainless steel contact metal construction.

The two positions allow for closing off the fill head, eliminating any dribble from the flex during carriage travel while there is no bag in place.
Pneumatic Bag Neck SealUsed in conjunction with the standard filling nozzle the Pneumatic Bag Neck Sealing Assembly provides a positive & reliable method of sealing the bag spout to the filling nozzle.

The neck seal system also works with lined bags.

The inflation assembly consists of a stainless steel filling nozzle, food grade rubber sleeve, a pneumatic valve, a regulator, a filter, a gauge & a pneumatic hand operated switch mounted on the bulk bag filler frame for inflating & deflating the neck seal.
Bag/Liner Venturi Air InflatorThe inflator is attached to the vent spigot of the filling nozzle & does not interfere with standard venting or extraction methods.

Includes pneumatic hand operated switch mounted on the bulk bag filler frame for inflating the bulk bag.
Bag/Liner Fan Air InflatorThe inflator is attached to a two-way valve that interfaces with the vent spigot of the filling nozzle & does not interfere with standard venting or extraction methods.
Motorized Roller Conveyor
(On Filler Base)
The roller conveyor section is mounted on the filling platform & is used to remove filled bags on pallets.

The conveyor is motorized to move loaded bag/pallets onto the takeaway conveyor.

Use of the Automatic Loop Release is required to ensure proper operation of the system.
Gravity Take Away Roller Conveyor
(Beside Filler)
A section of roller is mounted next to the filler for accumulating bulk bags on pallets.
Powered Roller Conveyor
(Beside Filler)
A roller conveyor section is mounted on support legs and is used to transfer/collect empty or full pallets. The conveyor is motorized with rollers that move the loaded bags/pallets down the line.
Filling Head Product SpinnerThis device is designed to “throw” product to the extremities of the bulk bag during the filling cycle. It is fitted to the inside of the Filling Nozzle by a three-arm spider.

This action negates the product’s angle of repose in the center of the bag & ensuring complete filling of the bulk bag.

The motor rotates the stainless steel spider fitted with throwing plates which radiates the product to the outside of the bulk bag when it hits the rotating disc.
Mobile Base with CastersMounts the CS Bulk Bag Filler upright to a base frame assembly.

Includes a carbon/mild steel or stainless steel frame base plate with 2 rigid casters & 2 swivel lockable casters.
Sampling PortProvides a means for pulling a small sample of material as the bulk bag is being loaded.
Box Filling AdaptorThis adapter allows our bulk bag fillers to be used to fill boxes as conveniently as bulk bags. The adapter consists of a box filling lid that will fit over the outside diameter of the box. It has an inlet spout that will connect to the fill spout on the bulk bag filler so that material can be transferred into the box. Also includes a dust port on the lid.
Drum Filling AdaptorThis adapter allows any of our bulk bag fillers to be used to fill steel or fiber drums as conveniently as bulk bags.

The adapter consists of a drum filling lid with an outer inflation seal that seal against the inside diameter of the drumhead where an operator will manually position the adaptor onto the drum.

The drum adapter is connected to the filling spout by a double chamber flexible gooseneck. The double chamber provides a route for entering solids (inner tube) & a path for displaced air & dust (outer tube).
Automatic Bag Loop ReleaseFour small pneumatic pistons retract the lever on the bag loop securing latches by depressing a lever activated switch mounted on the bulk bag filler frame.

This eliminates the need for the operator to manually release the four loop latches.
Retracting Bag Support HooksThe remote pair of bag loop support hooks pneumatically retracts to facilitate the hanging of the empty bag from the operator’s location.
Explosion Proof OptionsStatic monitoring/earthing
Hygienic Design OptionsStainless steel product contact surfaces
Food Grade finish

Check out our Bulk Bag Filler Comparison Chart

This document compares our bulk bag filler offerings based on specifications & options. Our engineers will assess your application needs & recommend the optimal filling system.

CONTROLS

Our Base Model Simple Frame Bulk Bag Fillers are not offered with controls.  There are switches to control simple operations during the filling process.

Examples of switches on a bulk bag filler
Examples of switches on a bulk bag filler