Ex­plo­sion-proof C rails and light crane sys­tems

DEMM Engineering & Manufacturing - - DUST & FUMES -

J D Neuhaus has in­tro­duced a range of C rail and light crane sys­tems for op­er­a­tion with the com­pany’s es­tab­lished mini air hoist range. Both the C rail/sus­pen­sion tracks and the light crane sys­tems are rated for use in ex­plo­sion and haz­ardous dust-laden ar­eas up to ATEX Zone 2, 22.

Fea­tur­ing high qual­ity stan­dard el­e­ments, the mo­du­lar C rail sys­tems/sus­pen­sion tracks make for sim­ple as­sem­bly and smooth move­ment of loads in ac­cor­dance with in­di­vid­ual cus­tomer re­quire­ments, says JDN. The units, which are ideal for flex­i­ble ma­te­rial trans­port ap­pli­ca­tions, are pur­pose- en­gi­neered to of­fer high dura­bil­ity when de­ployed in chal­leng­ing en­vi­ron­men­tal con­di­tions. Sim­i­larly, the light crane sys­tems of­fer easy adap­ta­tion to load and op­er­at­ing con­di­tions.

Avail­able in four stan­dard pro­file sizes, de­sign mod­u­lar­ity again pro­vides users with the op­por­tu­nity for light and easy as­sem­bly, the re­sult of which is smooth move­ment of the re­in­forced crane bridge and op­ti­mal space util­i­sa­tion at low head­room con­di­tions. Air de­liv­ery is fa­cil­i­tated via hose trol­leys in the crane rail.

To help max­imise sys­tem life, users can pick from a range of surface pro­tec­tions for the crane rail and trol­leys, in­clud­ing coated, zinc- plated or chro­mated, while stain­less steel is avail­able as an op­tion for lighter ca­pac­i­ties of 100 and 200kg.

Both the light cranes and C rail/sus­pen­sion tracks give pro­vi­sion for straight­for­ward sys­tem ex­ten­sion to ac­com­mo­date chang­ing re­quire­ments over a work­ing life.

The crane track length is fully se­lectable in ac­cor­dance with cus­tomer re­quire­ments, while the bridge length can be spec­i­fied up to a max­i­mum of 6000mm as stan­dard, with larger sizes avail­able upon re­quest. Track width is de­pen­dent upon the bridge length, but typ­i­cally, a sys­tem with a car­ry­ing ca­pac­ity of 125kg would dic­tate a max­i­mum track width of 4500mm. This rises to 5000mm for car­ry­ing ca­pac­i­ties of 250, 500 and 980kg.

The car­ry­ing ca­pac­i­ties are of course de­ter­mined by the choice of pneu­matic hoist utilised. Here, JDN of­fers its mini 125, mini 250, mini 500 and mini 1000 mod­els, which are not only of­fer lube-free op­er­a­tion for use in haz­ardous ar­eas but, says the crane-maker, a price- com­pet­i­tive al­ter­na­tive in com­par­i­son with other types of pow­ered hoist.

Prin­ci­pal ad­van­tages of JDN mini air hoists in­clude min­i­mal com­po­nents for ease of main­te­nance, a wear-re­sis­tant mo­tor brak­ing sys­tem and suit­abil­ity for hor­i­zon­tal pulling (in ad­di­tion to con­ven­tional lif ting and low­er­ing). Where fit­ted with an ex­tremely sen­si­tive lever con­trol fea­tur­ing an emer­gency shut- off valve, lif ting heights of up to 8m can be spec­i­fied.

Re­silience and re­li­a­bil­ity are the key prod­uct dif­fer­en­tia­tors for JDN, thanks largely to their ex­plo­sive pro­tec­tion rat­ing which makes them ‘ideal for use even in the most chal­leng­ing of op­er­at­ing en­vi­ron­ments’. Extreme ap­pli­ca­tions in­clude oil and gas ex­plo­ration in arc­tic tem­per­a­tures as low as - 45°C, along with un­der­wa­ter tasks such as ship hull re­pairs, and plenty of oth­ers in de­mand­ing sec­tors like min­ing, the chem­i­cal in­dus­try, heavy plant construction and many ar­eas of lo­gis­tics.

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