DD311 – DCS

Sandvik DD311 is available in three different versions, including DD311D and DD311DE. It is a medium size, single-boom jumbo designed for fast and accurate drilling within drifting and tunneling of 40 m² sections.

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Brand	Sandvik

Shqyrtime

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VSI Crusher – Mag’Impact Sand

Sand and gravel are now the most-extracted materials in the world. But the decline of available natural resources and the negative impact of natural sand’ extraction on the environment raised awareness of the need to find other solutions.

Manufactured sand produced by crushed rock is being considered as an appropriate alternative.

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FILTER AND SPIN GRIDS
There are two main techniques:

Welded technology

Looped technology

GIRON offers both versions to suit your applications and problems. In both cases, the product flows over a totally smooth surface made possible by the succession of wires. The space between each profile creates a gap, known as an interstice, fissure or slot.

In the welded versionThe wire is manufactured by rolling from round wire. Rolling is the most common process, generating a profile with slightly rounded edges. These profiles are then welded to perpendicularly positioned cross-members.

In the curly versionThe trapezoidal wire was stamped from round wire. GIRON’s contoured fissure grids have been developed for over 50 years. Stamping produces protruding edges for high drainage efficiency. These profiles are then assembled on rounds. At GIRON, the steel round is 7 mm in diameter and the loops have a pitch of 70 mm.

This technique guarantees opening accuracy unsurpassed gap widths, especially for very fine cracks. Grids can be supplied flat or curved, bare or with all types of reinforcement such as flats, angles or other accessories.
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TN77 CONVEYOR BELT METAL DETECTOR

The electronic TN77 Conveyor Belt Metal Detector is a tunnel-type unit that is generally installed onto conveyor systems. The TN77 enables a continuous inspection to be made of any non-metallic or non-conductive materials. The unit is used for the detection of tramp iron and manganese steels where their presence would prove damaging to processing equipment or a clients’ end product.

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