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MATERIALS HANDLING & CONVEYING FEATURE PROCESS INDUSTRIES BOOSTED WITH BIG BAG HANDLING


Processes involving free-flowing materials require regular, high volume product top-ups to maintain adequate production throughputs. The specialised big-bag, air operated


hoists manufactured by J D Neuhaus are suitable for operating with single or twin bag loads. These handling products provide safe, speedy and accurate positioning even in situations where headroom is limited. Typical applications include food products; chemical and construction/building markets; and specialist markets including pharmaceuticals, granulate/GGBS, energy, environment/recycling/sewage. Individual bag loads of 1100 or 2200kg can be accommodated with precision handling facilities incorporated for discharge at storage sites or process line delivery chutes. The hoist systems are designed for reliable and safe operation within dust-laden atmospheres including areas at risk of explosion. Their operating medium is compressed air (6 bar pressure) with additional spark protection available, ensuring explosion protection classifications according to Directive 94/9/EG (Equipment and Protection Systems Intended for use in Potentially Explosive Areas [ATEX]).


cruciform lifting beam. The twin load hook models operate with more complex beam designs or for standard lifting beams featuring twin suspension points. Operated with synchronised lifting operation, each hoist is fitted with a chain box which is sited to eliminate the risk of collisions between loads and the chain box. The hoist low-headroom designs are compatible with the handling of a variety of bulky or unusual loads. These big-bag hoists have 100% duty


The explosion potential of dust-laden


atmospheres can be high where handling powdered chemicals but with more innocuous food based components or metallic powders all being susceptible to ignition where critical air/dust content conditions are reached. The JDN big-bag handling hoists feature twin overhead trolleys connected with rigid spacer beams and the whole unit running on an overhead support beam. The hoists are dust-proof and explosion protected, designed for 24/7 operation within extreme low headroom conditions. Individual handling capacities 1100 and 2200kg are available in configurations of either single or twin lift/load hooks. The single hook unit is designed for operation with a standard


Individual bag loads of 1100 or 2200kg can be accommodated with precision handling facilities incorporated for discharge at storage sites or process line delivery chutes


ratings, eliminating downtime. They can be supplied with a variety of beam sizes and profiles with optional hook centres located as required. The compact, modern design incorporates many JDN standard components to guarantee reliable operation combined with cost effective manufacture. No additional motor lubrication is required and only a small number of wear-free moving parts are incorporated for minimum maintenance. Hoists can be supplied with optional explosion protection ratings of: EX II 2 GD IIA T4 / II 3 GD IIB T4 and EX II 2 GD IIB T4 or II 2 GD IIC T4.


J D Neuhaus T: 01224 722751 www.jdngroup.com


/ MATERIALSHANDLINGLOGISTICS MATERIALS HANDLING & LOGISTICS | NOVEMBER/DECEMBER 2015 S11


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