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Antispark chain hoist ARO 77 series
air-operatedtrolleyheavy-duty

antispark chain hoist
antispark chain hoist
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Characteristics

Operation
air-operated
Other characteristics
heavy-duty, antispark, trolley
Number of strands
1, 2
Capacity

Max.: 4,400 lb
(1,995.8 kg)

Min.: 275 lb
(124.7 kg)

Lifting height

431.8 mm, 480.1 mm, 551.2 mm, 569 mm
(17 in, 18.9 in, 21.7 in, 22.4 in)

Lifting speed

Max.: 33,500 mm/min
(21.98 in/s)

Min.: 3,700 mm/min
(2.43 in/s)

Weight

18.6 kg, 24.1 kg, 28.1 kg, 36.7 kg
(41.01 lb, 53.13 lb, 61.95 lb, 80.91 lb)

Description

7700 and 7790 Series Spark Resistant Hoists meet ASME B30.16 specifications and are designed for Division 1 applications where the atmosphere contains hazardous concentrations of flammable gases, dust or other materials under normal operating conditions. Specifically engineered for continuous heavy-duty industrial applications, these spark resistant hoists are available with a bronze top hook or a trolley adapter suspension. Features Spark Resistant Design • Stainless steel load chain and solid bronze hooks to prevent accidental sparking • Zinc-plated pull chain • Reduced hoist capacities and locked speed adjustments to maximize chain life • Trolley models supplied with bronze wheels • Optional pendant control handles with industrial-grade vinyl grip Division 1 Applications • Spark-resistant air hoists are required • Atmosphere containing hazardous concentrations of flammable gases, dust or fibers, continuously, frequently or periodically, under normal operating conditions Division 2 Applications • Standard air hoists are required • Atmosphere is normally non-hazardous, but contains hazardous concentrations of flammable gases, dust or fibers when a container, handling system or ventilating system fails

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.