RPHb – Two-stage, Heavy-duty Process Pumps to API 610 -11th Edition

Pumps n Valves n Systems

Industry Water Waste Water Energy Building Services Mining

Applications: n Refi neries n Petro chemical and chemical industries

More information: www.ksb.com/products

 1   Robust designn ��High-quality�casting�with�a�corrosion�

allowance�of�3�mmn ��Seal�chambers�suitable�for�mechanical�seals�

of�extended�design�(back-to-back��API�682�or�tandem�arrangement)

n ��Outer�and�inner�bearing�rings�axially�clamped

n ��Minimised�axial�forces.�Radial�forces�reduced�by�diffusor

 2   Maximum operating reliabilityn ��Dimensioning�of�shaft�and�bearings�as�well�as�

dynamic�balancing�of�impeller�minimise�shaft�deflection�and�guarantee�a�long�bearing�life

n ��Bearing�isolators�for�longer�bearing�life�and�cleaner�oil�sump

n ��Cooling�of�bearing�bracket�possible�in�case�of�extreme�operating�conditions

n ��Mist�lubrication�possible

 3   Easy to service n ��Constant-level�oiler�ensures�constant�oil�level�

and�simple�inspectionn ��Movable�bearings�guarantee�easy�assembly�

and�allow�for�thermal�expansion�of�the�shaft�n ��Cooling�or�heating�of�shaft�seals�n ��Dry�shaft�not�in�contact�with�pumped�fluidn ��Draining�possible�with�flange�connection

RPHb – Two-stage, Heavy-duty Process Pumps  to API 610 -11th Edition

Characteristic curves

 4   Flexiblen ��Flanges�available�in�compliance�with�all�standards�

up�to�PN�100

 5    Optional fan cooling for non-drive end bearings

Technical data

Pump sizes DN 50 to 200

Flow rate Q Up to 630 m3/h

Head H Up to 400 m

Operating pressure p Up to 100 bar

Operating temperature t -80 up to +450 °C

Other values on request

RPHb 100-350/2

RPHb 150-350/2

RPHb 200-290/2

RPHb 150-290/2

RPHb 50-315/2

RPHb 80-315/2

RPHb 80-360/213

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KSB Aktiengesellschaft Johann-Klein-Straße 967227 Frankenthal (Germany)www.ksb.com