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Screw Auger Compactors

Screw auger compactors can double your tonnages, halve transport costs and cut maintenance bills when compared to conventional compactors. By deforming the waste before pushing it into the container, without shredding it, a screw (auger) compactor will maximize the space and increase the density. Up to 100% higher tonnages but typically 60% higher are not uncommon.

The SV11, SV15, SV18 and SV22 screw compactors have the same configuration but with different motor sizes and motors. The tougher the material, the stronger the motor required: for example wood pallets and crates would need SV22.

Screw auger compactors
Screw compactors deform waste and increase payloads by as much as 60% to 100% over standard ram static compactors. They simplify loading of materials such as cardboard and reduce operator time required to bale and tie off cardboard bales.

Compare this with conventional compactors which have a flat plate which pushes waste into the container. Compaction does not take place until the container is nearly full.

Many waste contractors are improving their competitiveness and winning business using screw compactors by increasing payloads, particularly for DMR (dry mixed recyclables). The customer pays less in transport and the operator runs a more efficient business. The higher tonnages allow them to increase turnover without increasing the size of their fleet.

No 'Drag-Back' of Waste Behind the Press Plate

Material drag-back seriously affects the efficiency of conventional compactors with a flat press plate (the exception being the Bergmann portable compactors with the 'throw over blade': see the link here). The material slides back under and round the press plate eventually jamming  the cylinders and stopping the press plate from moving unless it is cleaned out regularly. Screw auger compactors have no space behind the press plate as the screw is driven with a drive chain.

Screw auger compactors from Bergmann Direct
Ground-loading screw compactors with exchange containers

No Hydraulic Mess With Oil Changes and Spills

Hydraulic compactors can be heavy on maintenance: they need oil changes and new filters every year, oil leaks are common even on the best makes due to the system being constantly under pressure and you pay for this.

Screw auger compactors are electro-mechanical: no hydraulics. Maintenance routines involve safety checks, greasing and tightening the drive chain: easily done by in-house engineers or fitters and much quicker.

These reasons alone would make choosing a screw auger compactor over a hydraulic static compactor a no-brainer, but there's one more: they cost the same or less. So with pressure on costs ever present, investigate a screw auger compactor as the better solution for your business.

Bergmann Direct supply four SV screw compactors. Click here to find out more information on each of the models, or call 0845 226 5803.


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    Bergmann Direct supply a full range of vertical, semi-automatic horizontal waste balers and fully automatic horizontal balers.

    Our waste balers can handle all the standard materials such as cardboard, soft plastics (shrink-wrap, plastic sheeting), PET bottles, hard plastics, aluminium and steel cans even difficult materials such as RDF which require plastic strapping and wrapping to be compliant.

    Bergmann Direct supply a range of vertical balers. for cardboard, plastic and metal cans. Mill-size balers are ideal for low to medium volumes (0.3 – 1 tonne per hour) of cardboard, soft plastics, PET bottles*, aluminium and steel cans. UK paper mills require ‘mill-size’ bales in order to attract rebates on cardboard. Manually loaded and tied off. Bale pressure up to 50 tonnes. View the Vertical Baler range here.

    Semi - Automatic (Manual Tie) horizontal waste balers.are ideal for larger volumes (1 to 3 tonnes per hour) of cardboard, plastics, PET bottles*, aluminium and steel cans,  where volume loading is required from a bin lifter, bucket, forklift truck or a conveyor. All bales are ‘mill-sized’. The bales are tied off by hand and the bale is fully-ejected before another bale or another material is started. Bale pressure from 80 to 120 tonnes.

    The fully - automatic (auto-tie) horizontal waste required when volume processing 3 to 16 tonnes per hour. Bales are automatically tied off and pushed out (the bale behind pushes out the bale in front). Feeding is typically by bucket, forklift truck, conveyor or chute. All bales are ‘mill-sized’. Bale pressure from 40 to 120 tonnes.

    RDF is a difficult material which is often made up of small particles of residual waste after the main items have been outsorted. It requires a) high pressure; b) plastic ties and c) bale wrapping. You need a plastic tie facility on your baler which RDF balers.use and you will need a bale wrapper aswell. Feeding is typically by conveyor.