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Chronos Richardson has introduced Explosive Atmospheres Directives (ATEX) compliant weighers into its APW in-process and high-speed bagging weigher ranges.

The weighers are compact and versatile, and have been specifically designed for installation in sites where powdery/dusty materials are weighed and packed on a daily basis.

The ATEX version of the APW is designed for simple integration into new and existing plants and is capable of freestanding operation or integration into an overall system.

Two of these regulations: ATEX – Directive 94/9/EC [ATEX 95] – the Equipment and Protective Systems Intended for Use in potentially Explosive Atmospheres Regulations 1996; and DSEAR – Directive 99/92/EC [ATEX 137] – the Dangerous Substances and Explosive Atmospheres Regulations 2001, allow for the continued use of existing equipment if organisations can prove: previous safe working experience, comprehensive maintenance records, manufacturers’ data that the equipment is safe, comparison of plant to recent standards.

In order to help companies comply with these directives Chronos Richardson has developed upgrade solutions and kits of parts for APW weighers and other weighers, which fulfil the manufacturer’s data obligation for equipment safety.

As a minimum these upgrade solutions comprise of ATEX certified loadcell(s), solenoid valves, sensors, mounting plates and/or brackets associated with their integration into the existing weighers.

These are now available but to ensure that the company’s site fully complies with the directives, it may need to be externally audited to ensure where and what zones apply to the equipment in question.

When this has been established Chronos Richardson engineers would need to assess the removal of things like the previously in-built controllers and their repositioning to a safe location to ensure it meets with the assessment of the site’s individual ATEX Zone requirements.

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