Bronze fitted pump constuctionBronze shaft sleevesDynamically balanced impellersBronze case wearing ringsTwin volute on 10 and larger pumps Stainless steel impeller keyRegreasable ball bearingsSingle row ball bearing (inboard)Double row ball bearing (outboard) Mechanical seals...single unbalanced(Model 412 and 413)Graphite and TFE lubricated acrylic packingInternal bypass between casing and stuffing box125# ASA flanges250 psi case working pressureCarbon steel shaftStuffing box bushings Lifting lugsHydrostatic testCast integral bearing armsWater slingers and grease sealsExternal bypass between...

GO VERTICAL AND PUT 2 PUMPSWHERE ONLY ONE HORIZONTALWOULD FIT. Auroras space saving vertical split case pumps have long beenrecognized for their reliability. Thisreputation in the field of verticalinstallations has been re-emphasized since the introductionof the Model 413 as pumps of unmatched quality.VERTICAL PUMPS PROVIDEDISTINCT ADVANTAGES OVER HORIZONTAL PUMP CONSTRUCTION.A. Less floor space required.B. Inline piping arrangement allows piping in any direction.C. Elevated motor protects againstpotential flooding if the pump station is in a low area. Additional features described for the horizontalpumps...

Some of the important features of theAurora 410 Series Split Case Pumpsare outlined below: 1. SPLITCASEDESIGN simplifiesdisassembly. The suction and dischargepiping and alignment is not disturbed. Simply remove the upper casing forservice or inspection. Cast lifting lugsare provided. Computer-machined major components with 360 degree registered fits assure concentricity of allparts. Twin volute design balances outradial hydraulic thrust loads on larger split case pumps (see Range Charts). 2 . DYNAMICALLYBALANCEDIMPELLER is keyed to the shaft and s ecured by adjustable shaft sleeves.Double suction...