Key features of the GEHO hydraulic driven piston pumps · • Easy pump control with visualization...

Key features of the GEHO hydraulic driven piston pumpsFor highly concentrated slurries, sludges and pastes

Key features and benefits of the GEHO hydraulic driven piston pumps

Initiator: hydraulic cylinder position measurement• Ensuresfulluseofstrokelength,• allowsforelectronicmonitoring• andsoftstopandstart-up due to sensors located at the end ofsuctionanddischargestroke.

Linear transducer: hydraulic cylinder position measurementAllowsathighspeedasoftstopandstart-up–duetoaslenderbarmountedinthepistonrod.

Hydraulic cylinder piston sealNoleakage/higherefficiency,accuratecontrolatlowcapacity–duetouseofstandardhydraulicsealsbecauseofabsenceofboreholes.

Sludge cylinder liner and pistonLongwearlifeofcylinders–dueto0,4mmchromeplating.

Reducedwear,energyconsumptionandlowestfrictionlosses–duetohardchromeplatedandprecisionmachinedliner,allowsforflexiblelipsealandguideringdesign.

Option 1: DHC

Transfer tube

Type SR1Highvolumetricefficiency–thetubenozzlemayslideand provide sealing againstthewearplate through the slurrypressure.

Type SR2+3Automaticwearcompensation/lessmainte-nance.Thenozzleismountedflexibly.Theswivelcylinderismountedatanangletomaintainsealing.Longtermreliability-theleverismountedonataperedpolygontoprovideaclearance-freefitwithoutmechanicallooseness.

Cone valves• Reducedmaintenancecosts–duetovalve andvalveseatreplacementwithoutdisconnecting piping,hydraulichosesormovingthepump.• Reducedpressurepulsation-duetothevalve openingandclosingsequence,preventsback flowfromdischargetosuction.• Nooilcontamination–duetostuffingbox betweensludgeandhydrauliccylinder.• Quickmaintenance–duetohydraulicvalve seatrelease.

Option 2: DHT

PLC controlSupervisoryPLCcontrolpanelwithtouchscreen• Remotecontrol• Maintenancesupportwithsignalrecording• Easypumpcontrolwithvisualizationofpumpcomponents

GEHO hydraulic power pack

• Easypumpflowadjustmentandcontrolledstrokereversal throughuseofaxialpiston/swashplatehydraulicoilpump.• Longhydrauliccomponentlifeasaresultofhydraulic pressurelimitedtoapprox.250baranduseofoilfilters onallreturnlines.• Reputablecomponentsuppliersonlywithworldwide services.• Designedforsoftstart/stopreducingpipelinevibrations andnoise.

GEHO screw feeder seal

• Screwfeederforhighviscoussludges.• Flexiblemountedmechanicalsealfor ultimatelifetimewithoutsludgeleakage.

GEHO system components

• Non-returnvalvesforDHTpumps.• Levelcontrolledairoverslurrypulsationdampenervessel, includingautomaticslurrylevelcontrolsystem.• Intakehopperswithlevelmeasurement.• Hydraulicallyoperatedswitch-overS-tubeforremoteswitch overfromonetotheotherpipeline.• Pumprelatedsystemsupport.

General features

• Designedforheavyduty24hrs/dayservice inindustrialenvironments.• Electronicstrokecontrol.• 0,4mmhardchromeslurrycylinderliners.• Optional:VZ'nearlypulsationfree'system.

• Pistonswithcupsealandguidering.• Automaticgreasesystem.• PLCcontrolled.• Softstart/stopduringswitchover.

GEHO DHC pump

GEHODHCpump:hydraulicdrivenpistonpumpwithconevalves.Varietyofvalvedesignsanddifferentmetalsandelastomersavailable.

GEHO DHT pump

GEHODHTpump:hydraulicdrivenpistonpumpwithtransfertube.Avarietyofmaterialselectionsfornozzleandwearplateavailable.

Weir Minerals Netherlands b.v.

Tel: +31(0)773895200 Fax:+31(0)773824844 Email:weir@weirminerals.com www.weirminerals.com

Copyright © Weir Minerals Netherlands b.v. 2005

P.O.Box249,5900AEVenlo,theNetherlandsEgtenrayseweg9,NL-5928PHVenlo 4495RegistrationNo.:12032525

RSG90,Denmark:tubereactorfeed,PVCrecycling

TarongPowerPlant,Australia:flyashdisposal

Kali+Salz,Germany:minebackfilling,brineandflyashes

Northwich,UK:mineclosure,corrosiveflyashesandcement

RWZIDordrecht,theNetherlands:sewagesludgetransport

Tochigi(Utsunomiya),Japan:sewagesludgetransfer

Hyougo,Japan:sewagesludgetransfer

OCIWyoming,USA:minebackfilling

Typical references