Ex­ten­sive range fea­tures ex­plo­sion pro­tec­tion as stan­dard

DEMM Engineering & Manufacturing - - HYDRAULICS & PNEUMATICS - www.demm.co.nz/reader- en­quiry #161228

The J D Neuhaus ex­ten­sive range of han­dling equip­ment, in­clud­ing hoists and cranes, is all en­gi­neered for ex­tremes, pro­vid­ing safe op­er­a­tion in dust-laden at­mos­pheres or other ex­plo­sion-haz­ardous ar­eas such as the chem­i­cal man­u­fac­ture and pro­cess­ing en­vi­ron­ments. All JDN prod­ucts, which in­clude both com­pressed air and hy­drauli­cally op­er­ated units, are Ex­plo­sion Pro­tected as Stan­dard, prom­ises the man­u­fac­turer.

This en­sures that all JDN prod­ucts are safe for con­tin­u­ous and long-term op­er­a­tion in po­ten­tially ex­plo­sive chem­i­cal at­mos­pheres as well as the more in­sid­i­ously dan­ger­ous con­di­tions where high lev­els of air­borne dusts ex­ist.

The easy-to-use Profi TI hoist range is a work­horse for the in­dus­trial and com­mer­cial world. The op­er­at­ing air sup­ply can be set at 4 or 6 bar pres­sure, with a stan­dard load lift height of three me­tres being pro­vided through­out. Other op­tional lift height re­quire­ments can also be spec­i­fied and ac­com­mo­dated as re­quired

The Profi TI range of air-op­er­ated hoists of­fers 19 mod­els pro­vid­ing lift ca­pac­i­ties from 250kg up to an ‘im­pres­sive’ 100 tonnes. These in­cor­po­rate many years of de­sign and de­vel­op­ment, and have suc­cess­fully proved their ver­sa­til­ity and uni­ver­sal re­li­a­bil­ity fol­low­ing in­stal­la­tions within a wide range of light, medium and heavy duty in­dus­trial work­places, says JDN. Their com­pressed air power sup­ply is also utilised for con­trol func­tions; it does not ini­ti­ate sparks, so pro­vid­ing an un­beat­able ad­van­tage when hoists are op­er­at­ing in po­ten­tially ex­plo­sive at­mos­pheres. Even greater safety can be achieved by the preven­tion of sparks gen­er­ated by static dis­charges or metal to metal fric­tion con­tacts.

Stan­dard ver­sions of JDN hoists and crane sys­tems (which utilise Profi TI hoists for lift op­er­a­tions) have the ex­plo­sion pro­tec­tion / clas­si­fi­ca­tions and mark­ings EX II 2 GD IIA T4 / II 3 GD IIB T4.

In­creased spark pro­tec­tion can be achieved be­cause of cop­per gal­vani­sa­tion plat­ing of the hoist bot­tom block and load hooks, to­gether with fit­ting brass safety catches to achieve a rat­ing of EX II 2 GD IIB T4.

Fur­ther spark pro­tec­tion for ex­plo­sion group IIC is pos­si­ble be­cause the hoist hor­i­zon­tal move­ment trol­leys in­cor­po­rate run­ning wheels and travel gear­ing, which are man­u­fac­tured in bronze for an im­pres­sive EX II 2 GD IIC T4 rat­ing.

All Profi TI hoists in­cor­po­rate a top sus­pen­sion hook, with op­tional over­head trol­leys to ac­com­mo­date lat­eral move­ment of sus­pended loads. Three trol­ley op­tions in­cor­po­rate load tra­verse move­ments com­bined with pre­cise load po­si­tion­ing. One trol­ley is man­u­ally op­er­ated for hor­i­zon­tal move­ment of the sus­pended load. A sec­ond trol­ley has a man­u­ally op­er­ated reel chain mech­a­nism for lat­eral load move­ments. The third mo­torised trol­ley pro­vides tra­verse as well as load raise and lower move­ments, to­gether with pre­cise load po­si­tion­ing, util­is­ing com­pressed air power. All trol­ley sys­tems can ne­go­ti­ate over­head rail cur­va­tures, with trol­leys op­tion­ally fit­ted with rack and pin­ion drives for safe load han­dling on off­shore plat­forms and sea go­ing ves­sels. For in­stal­la­tions with over­head space con­stric­tions, a low head­room trol­ley op­tion is also avail­able, suit­able for loads up to six tonnes.

The hoists are all 100 per­cent duty rated with un­lim­ited duty cy­cles, min­imis­ing any down­time con­di­tions. Com­pact mod­ern de­sign elim­i­nates any pro­trud­ing con­trol hoses or sim­i­lar ex­ter­nal parts sus­cep­ti­ble to dam­age, mak­ing the Profi range suit­able for hor­i­zon­tal pulling. These stan­dard hoists are also in­sen­si­tive to at­mo­spheric dust or hu­mid­ity and can with­stand work­ing tem­per­a­tures rang­ing from 20°C to +70°C. Their patented, low main­te­nance vane motor brake sys­tems en­sure fail-safe start­ing and pos­i­tive brak­ing, while also being low main­te­nance as well as pro­vid­ing lube-free op­er­a­tion. Var­i­ous pen­dant con­trols can be fit­ted for sen­si­tive, sin­gle speed, multi-func­tion or remote con­trol op­er­a­tion. These de­sign-led hoists also pro­vide strong, fast and silent op­er­a­tion com­bined with high per­for­mance ef­fi­ciency and re­li­a­bil­ity even when op­er­at­ing at high lift­ing and low­er­ing speeds. The com­pact hoist de­signs en­sure min­i­mum prod­uct dead-weight, and when op­er­at­ing with loads from one tonne up­wards also fea­ture over­load pro­tec­tion as stan­dard.

Se­lected mod­els from the range of air op­er­ated hoists and trol­leys can be sup­plied with nickel plated com­po­nents for clean room op­er­a­tions and other spe­cial­ist ap­pli­ca­tions that also re­quire hy­gienic work­ing con­di­tions or wash­down fa­cil­i­ties. These in­clude chem­i­cal and phar­ma­ceu­ti­cal pro­duc­tion es­tab­lish­ments, to­gether with the food and drink in­dus­tries cov­er­ing all as­pects of both han­dling and prod­uct man­u­fac­ture.

Mod­els cur­rently avail­able in the nickel-plated range in­clude the Profi TI hoists with 0.5 and one tonne lift ca­pac­i­ties, to­gether with a big-bag han­dling unit with a rated one tonne lift. A low head­room trol­ley hoist of one tonne ca­pac­ity is also avail­able, de­signed for op­er­a­tion in ar­eas of low head­room ca­pac­ity. Profi hoists utilised with trol­leys for over­head rail mount­ing in­clude both man­ual op­er­ated (type LN) and mo­torised (type LM) trol­leys, which have been sub­ject to ap­pro­pri­ate nickel-plat­ing treat­ment for use in hy­gien­i­cally crit­i­cal ar­eas.

For less se­vere op­er­a­tions, the JDN Mini hoist range is avail­able for light – medium lift­ing re­quire­ments. There are four mod­els with in­di­vid­ual lift ca­pac­i­ties of 125/250/500 and 980kg, with ma­nip­u­la­tor vari­a­tions avail­able for sin­gle-handed op­er­a­tion dur­ing lift/lower/tra­verse and even fi­nal load po­si­tion­ing op­er­a­tions.

Hy­drauli­cally op­er­ated ver­sions of the JDN Profi range are also avail­able, with hoists specif­i­cally des­ig­nated for op­er­a­tion within unique work­ing con­di­tions. These in­clude hoists avail­able with com­pressed air or hy­draulic op­er­a­tion, which are suit­able for un­der­wa­ter work. These specialised hoists have been utilised in sub­sea con­di­tions to pro­vide weight­less un­der­wa­ter move­ments of sus­pended loads. Typ­i­cal op­er­a­tions have in­cluded the re­place­ment of a 45-tonne re­place­ment rud­der blade for a cargo ship while re­main­ing at sea.

Over­head mono­rail air hoists with air or hy­draulic drives in­clude 11 mod­els with lift ca­pac­i­ties from 10-100 tonnes. Ul­tra-low head­room ver­sions are avail­able for lift­ing op­er­a­tion up to 100 tonnes and in­clude specialised prod­ucts for BOP han­dling up to 200 tonnes. There are hoists for specialised lift­ing in cryo­genic con­di­tions down to tem­per­a­tures of - 45°C.

Full crane sys­tems to­gether with self-as­sem­bly crane kits can be pro­vided for on­shore/off­shore op­er­a­tions with op­tional com­pressed air/hy­draulic drives. These prod­ucts can be sup­plied to suit in­di­vid­ual cus­tomer re­quire­ments in­clud­ing jib cranes, plus top run­ning and un­der­hung over­head trav­el­ling cranes.

All JDN prod­ucts are cov­ered by a world­wide ser­vice for an­nual checks, in­spec­tion and re­pair to­gether with com­plete over­haul and in­stal­la­tion fa­cil­i­ties.

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