Page 9 of ARO Industrial Chain Hoist Catalog by Ingersoll Rand Industrial Technologies

spark resistant 7700 and 7790 series link chain hoists continuous heavy-duty applications 7700 series 400 ­ 1500 lb capacity 7790 series 1500 ­ 3000 lb capacity 7700 and 7790 series spark resistant hoists are designed for division 1 applications where under normal operating conditions the atmosphere contains hazardous concentrations of flammable gases dust or other materials specifically engineered for continuous heavy-duty industrial applications ­ between 400 lbs and 1500 lbs ­ aro 7700 series spark resistant hoists are available with bronze top hook or trolley adapter suspension 7700 and 7790 series spark resistant hoists come complete with 10 feet of standard lift and either 6 feet of pendant control or 6 feet of pull chain control spark resistant features · stainless steel load chain and solid bronze hooks to prevent accidental sparking · pendant control handles when ordered are covered with an industrial-grade vinyl grip pull chain controls come standard with zinc-plated pull chain · hoist capacities are reduced and speed adjustments are locked into place to maximize chain life · trolley models are supplied with bronze wheels division 1 2 applications the following definitions may be used as a guide the actual division distinction for each application must be determined by your local inspecting authority of the fire underwriters division 1 spark-resistant air hoists are required atmospheres containing hazardous concentrations of flammable gases dusts or fibers continuously frequently or periodically under normal operating conditions division 2 standard air hoists are required atmospheres normally non-hazardous in which a hazardous concentration of flammable gases dusts or fibers occurs when a container or handling system fails or the ventilating system which normally keeps the concentration nonhazardous fails 7700 and 7790 spark resistant series specifications description rated capacity lbs control type suspension falls of chain lifting speed w/rated load variable from 1 to fpm lowering speed w/rated load variable from 1 to fpm air pressure psi air consumption at max rated load scfm air inlet size with 1800 swivel in recommended hose size in chain basket see chain basket chart in accessories load chain size link dia pitch weight of hoist lbs w/pull chain w/pendent 7712el 500 pull chain 1 16 70 65-70 7714el 1500 pull chain 2 13 16 65-70 7796al 1500 pull chain/pendent hook/trolley adapter 1 8 16 90 65-70 1/2 nptf 1/2 i.d canvas .312 858 57 62 7798al 7799al 2400 3000 pull chain/pendent pull chain/pendent 2 4.6 12 65-70 2 3.5 7 65-70 canvas .250 750 36 41 canvas .250 750 48 41 canvas .250 750 76 81 canvas .250 750 76 81 www.irhoist.com 7

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