AURORA ® 640 SerieS SINGLE STAGE SEWAGE PUMPS
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SINGLE STAGE SEWAGE PUMPS – “KSS” WWW.AURORA

SINGLE STAGE SEWAGE PUMPS – “KSS” Single Stage Sewage Pumps – “KSS” Capacities to 350 GPM Heads to 90 Feet Temperatures to 180° F Discharge Sizes 2" through 4" Introduction Water pollution and its effect on our environment is on everyone's mind. This is particularly true today and for the future generations. The population explosion, along with a broader understanding of the water pollution problem, has brought about the need for more and better sewage treatment facilities. The installations of today and tomorrow demand more reliable sewage pumping equipment. Long life has become essential...

SINGLE STAGE SEWAGE PUMPS – “KSS” Motor Mounting bracket that assures alignment of motor and pump shaft with tongue-and-groove machining. Motors are of standard hp manufacture. External Impeller Adjustment is accomplished with hexagon shaped adjusting nut. A lock nut secures the bearing collar to the shaft. Thrust Bearing is regreaseable and is protected from contamination by grease seals on both sides and a water slinger. The bearing is elevated 6" above the floor level for easy servicing and added protection from washdown, flooding, etc. is furnished with packing and a split gland for...

SINGLE STAGE SEWAGE PUMPS – “KSS” Performance Data and Engineering Details Intermediate Line Shaft Bearings Material of Construction Description Baseplate Sleeve bearings Bearing collar Casing Discharge pipe Head – lower Head – upper Impeller Packing Shaft Bearing cover Support pipe Length in Feet Pit Depth Pump Setting 2'6" 2'0" 3'0" 2'6" 3'6" 3'0" 4'0" 3'6" 4'6" 4'0" 5'0" 4'6" 5'6" 5'0" 6'0" 5'6" 6'6" 6'0" 7'0" 6'6" Material Steel WRT Bronze ASTM B62 Bronze ASTM B62 Cast Iron ASTM A48 Steel WRT sch'd 40 Cast iron ASTM A48 Cast iron ASTM A48 Cast iron ASTM A48 Graphited impreg. T.F.E....

SINGLE STAGE SEWAGE PUMPS – “KSS” Pump and Line Bearings Two important parts in any sump pump construction are the pump and line bearings as they are immersed in the liquid. The line bearings frequently run wet or dry depending on the varying liquid level in the sump. A complete line of bearings for all types of service conditions is available. Line bearings are provided as standard on 6'6" pump settings and for each additional 5' of setting. Standard All 640 Series pumps (except for 10 foot and deeper settings at 1750 RPM) are furnished with bronze sleeve type bearing unless an optional...

SINGLE STAGE SEWAGE PUMPS – “KSS” Pump and Line Bearings Materials of Construction Bearing Type Standard Bearing for Pit Depths Under 10' Relief Bearing Standard for Pit Depths 10' and Deeper Optional Relief Bearing Optional Spool Bearing Standard Lubrication Optional Lubrication (1) Oil – for line shaft bearings only (2) Water flush – relief housing only Pump Construction Bronze Fitted All Bronze All Iron Stainless Steel Bronze Fitted All Bronze All Iron Stainless Steel Bronze Fitted All Bronze All Iron Stainless Steel Bronze Fitted All Iron Stainless Steel Bearing Housing Material Bronze...

SINGLE STAGE SEWAGE PUMPS – “KSS” Dimensional Data Rotation from driver end Diameter between coupling and impeller Pump Shaft Ball Bearing Head (consult factory for deeper settings) Power Series Max. Solid Hand. Size Support Pipe Size Notes: 1. Dimensions and weights are approximate. 2. Not for construction purposes unless certified. 3. All horsepower ratings shown are for open drip-proof motors only. 4. Add pump, motor and cover weights for unit weight. 5. Standard pump length designed to clear bottom of pit 2" to 5". *3 x 3 x 7 and 3 x 3 x 9 pump not available on 20 x 24 oval. Max. Basin...

Engineering Specifications sleeve) (cutless rubber) (relief) (spool) type. Line bearings must be provided on pumps designed for a pit depth 6'2" and one bearing for each additional 5' thereafter. All standard sleeve or relief pump and line bearings must be (grease) (oil) (water) lubricated by separate nylon tube lubrication lines terminating at the baseplate. Standard bearings will be grease lubricated (unless otherwise specified). The bearings must have internal lubrication grooves to provide adequate lubrication of the complete bearing running surface. The motor pedestal is to be of cast...