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Explosion-proof sifters separate and condition dry materials

By Mary Page Bailey and Gerald Ondrey |

Gericke

Centrifugal sifters from the GS product line (photo) are suitable for installation in ATEX Zone 20 internal and Zone 21 external, providing a high level of protection in areas where an explosive atmosphere with a cloud of combustible dust is likely to occur or remain present continuously or for long periods of time during normal operation. The durable powder sifters include a heavy-duty motor and safety switches, an air-set solenoid valve and air-purge lip seals as standard. GS sifters pass fine particulate matter through a mesh screen and divert oversized particles to the discharge, while securing the material within a dust-tight housing. The sifters can separate granular and powdered products into two streams by particle size, removing foreign matter and can also condition materials prior to entering production. For cleaning, the screen and basket may be safely accessed and quickly removed. The GS product line comprises four models, each available with screen mesh sizes from 100–4,000 μm, throughput rates of up to 120 ton/h and a choice of surface finishes to suit the material. — Gericke USA, Somerset, N.J.

www.gerickegroup.com

 

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