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

Pumps n Valves n Systems

Applications: n Refi neries n Petrochemical 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�clampedn ��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�insulator�for�longer�bearing�life�and�cleaner�oil�sumpn ��Cooling�of�bearing�bracket�possible�in�case�of�extreme�

operating�conditionsn ��Mist�lubrication�possible

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

 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

 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 150

Flow rate Q Up to 450 m3/h

Head H Up to 400 m

Operating pressure p Up to 100 bar

Operating temperature t -80 to +450 °C

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