AURORA ® 900 SERIES SPLIT CASE FIRE PUMPS
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HORIZONTAL SPLIT CASE PUMP VERTICAL SPLIT CASE PUMP SPLIT CASE FIRE PUMPS

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SPLIT CASE FIRE PUMPS Split Case Fire Pumps Horizontal split case pumps are the most common type of fire pump. These pumps are specifically designed and tested for fire service applications where reliability of performance is of vital importance. Split case pumps are characterized by: • Easy access to all working parts; • Rugged construction; • Liberal water passages; and • Efficient operation. Split case fire pumps are specified when the source of water is located above the surface of the ground and provides a positive suction pressure to the pump at any performance point. Single-stage or...

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SPLIT CASE FIRE PUMPS Pump Features VERTICAL SPLIT CASE Computer Machined Integral Bearing Arms major components with 360 degree registered fits to assure concentricity of parts. eliminate bearing misalignment and simplify maintenance. Enclosed Impeller Design provides high efficiency and performance. Dynamically Balanced Impeller is keyed to the shaft and secured by adjustable shaft sleeves. Double Suction Impeller balances hydraulic thrust loads. Cast Iron Drip Rim Base Short Bearing Span holds shaft deflection to .002" at face of stuffing box at maximum load. Interwoven, Graphite...

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Fire Pump Feature Selector Standard • Bronze fitted pump construction • Ductile iron casings (available in selected 481 and 485 models) • Bronze shaft sleeves • Some models available in 316 SST, duplex and super duplex • Bronze case wearing rings • Right- or left-hand rotation • Dynamically balanced impellers • Impeller wearing rings • Stainless steel impeller key • Stainless steel shafts • Carbon steel shaft • Double row ball bearings on inboard side • Corrosion-resistant lantern rings* • Bronze stuffing box bushings • External bypass line from casing to stuffing boxes (optional on Model...

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