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2020 / 2021 Edition

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Metso launch new Barmac vertical-shaft impactor

ADDING to their successful Barmac range of vertical-shaft impact (VSI) crushers, Metso Minerals have announced the launch of the new-generation Barmac V300SE VSI, which is said to provide improved capacity, a higher reduction ratio, superior product shape and reduced operating and wear costs.

Available with three rotor configurations – open rotor and anvil, closed rotor and anvil and closed rotor with rock-shelf – and suitable for use in secondary, tertiary and quaternary applications, the crusher can take a maximum feed size of 125mm and has a throughput capacity range of between 115 tonnes/h and 415 tonnes/h, depending on the application.

A single-drive, 185–260kW (250–350hp) motor produces a crusher shaft speed range of between 1,100 rev/min and 1,800 rev/min.

According to Metso, new anvil designs have reduced the cost per tonne of the Barmac V300SE VSI compared with competitor’s machines. The crusher is lined with a combination of hi-chrome, chrome carbide overlay plate and rubber to give the best combination of protection and service life.

Other features of the compact, modular Barmac V300SE VSI are designed to help make maintenance as simple and safe as possible. They include: a hydraulic roof lifter; automatic lubrication; an articulated motor base, which allows drive pulleys to be easily changed; and a safety interlock system on the inspection door.

In addition, the special robust bearing cartridge design allows a reduced head height, compared with other brands of VSI crusher, making installation easier in fixed and mobile applications.

The VSI Operational Control System (VOCS) is standard on V-Series machines. This monitors crusher vibration, shaft line bearing temperatures and motor winding temperature for improved crusher protection.

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