Zenith B Spécifications

Zenith®PumpsInstallation,Care and MaintenanceZenith®Chemical DutyGear PumpsB-9000Gear Pumps

10Diagram 2.05 - 2.4 cc/rev B-90004.5 & 9 cc/rev B-9000Diagram 118 SHCS M4x0.711 Seal Housing13 Type 8-IT Mechanical Seal21 Dryseal Type Plug2

1115 & 30 cc/rev B-9000Diagram 345 & 90 cc/rev B-9000Diagram 418 SHCS M8x1.2511 Seal Housing2 Drive Shaft31 Front Plate33 Rear PlateSHC

12B-9000 SeriesAssemblyUse both pages of the assembly draw-ing during the reassembly process toassure correct orientation of all parts. Considerable c

13B-9000 SeriesAssembly(continued)• Install the ceramic seat into the sealhousing (11) with the o-ring of theseat away from the mechanical seal.• Gent

14Size Recommended(Metric Alloy Steel) Torque (in -lbs)*M4 31M6 108M8 262M10 519M12 910M16 2250Trouble Probable Cause RemedyPump will not turn 1) Driv

FAILURE, IMPROPER SELECTION OR IMPROPER USEOF THE PRODUCTS AND/OR SYSTEMS DESCRIBEDHEREIN OR RELATED ITEMS CAN CAUSE DEATH,PERSONAL INJURY AND PROPERT

2Zenith®Thoroughly read and understand this entire manual before installation and operation of pump.BenefitsSpecificationsIn 1926, Zenith Pumps was ap

3DesignZenith’s B-9000 Series precision meter-ing pumps utilize a rotary external spurgear which dispenses an exact volumeof fluid per shaft revolutio

4Operation(continued)Magnetic Coupling PumpsIn normal operation, the magnetic polesof the outer drive magnet remain alignedwith the magnetic poles of

5Key:∆P = Pressure (psi)µ = Viscosity (cp)N = Speed (rpm)0.000.0010.01 0.1 1 10 1000.100.200.300.400.500.600.700.800.901.00∆P/(µ•N)Derating Factor0.3

6InstallationPumps should always be carefullyunpacked and inspected. If any itemsare missing or damaged, the freight carrier and Zenith should be noti

7Installation(continued)2. Before starting, remove all flowrestrictions downstream of the pumpto allow initial operation with as low aback pressure as

8Lapping orBlockingTo remove nicks, burrs and scour marksfrom pump parts, place two layers of400-Grit Emery Cloth on a lapping blockor plate. A granit

9Inspection and PartPreparationAfter the parts have been cleaned,they should be inspected for nicks,burrs and stubborn residue. The gearsand the edges