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Spiroflow has expanded its range of bulk bag fillers, designed for applications in all industries including chemical, food, dairy, pharmaceutical, animal feed, plastics, minerals and aggregates.

The new C Series bulk bag filler is suitable for users wanting to remove bags on a pallet by forklift truck.

It retains the two-leg frame, offering unimpeded access to the front of the filler to facilitate the hanging of empty bags.

Depending on the application, filling can be controlled by volume or by weight.

For customers wanting ‘Weights and Measures’ (OIML) approval, there is the option of an automatic ‘gain-in-weight’ weighing system with programmable one-touch controls.

The operator can control bulk bag filler operations, accurate to +/-1 per cent, as well as the upstream material feed devices.

Filling rates of up to 20 bags an hour are attainable, depending on the ‘flowability’ of the product and the storage hopper or conveyor used to deliver the product to the filler.

The C Series bulk bag filler can be customised to meet individual user requirements.

Custom features include powered height adjustment, which lets the operator quickly adjust the height between filling cycles to accommodate differing size bulk bags, and rear bag loops that move forward to facilitate bag hanging.

The automatic opening of bag hooks enables the simultaneous opening/closing all bag hooks for the faster detachment of the bulk bag loops from the bulk bag filler.

This operation is beneficial when using a powered roller conveyor as it can be linked so that the bag loops are released before the roller conveyor operates.

Another custom feature is the filling head with an inflatable mechanical seal; this option ensures a dust-tight seal between the bulk bag filler and the bulk bag for hygienic, dust-free operation.

The movable filling head is also used to facilitate bag hanging; this option reduces operator fatigue and eliminates the need for the operator to step onto the filler, which must be avoided at all costs with a roller conveyor base.

The liner inflation device inflates the bulk bag’s liner with ambient air and creates slight positive pressure to remove wrinkles and properly form the bag to assure maximum material capacity.

This facility also enables the bag to be inflated with nitrogen when packing materials that oxidise during storage.

The roller bed system, either manual or powered, enables filled bags to be removed from the filler and an empty bag to be rigged, even when a forklift truck is not immediately available.

Another custom feature is the electric or pneumatic vibrators; during the filling process, vibrators improve material densification in the bulk bag.

This increases productivity, maximises the use of space and ensures that filled bags are safe for further handling, storage or transportation and that they are aesthetically pleasing, according to Spiroflow.

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