VLT
Vertical Process Pump
7 V1.090418
1. PRODUCT DESCRIPTION
These operating instructions contain important information about the installation, operation and
service of the unit. It is therefore imperative that the installing engineer and the responsible
specialist/operating personnel read and understand these operating instructions before installation
and commencement of operation.
This manual must always be available in the operational area of the machine/plant.
IMPORTANT: For any component/accessory that has not been manufactured by Ruhrpumpen and is
part of the pump’s equipment, a complete reading of said component/accessory manufacturer’s
manual must be carried out for further information on proper maintenance procedures and relevant
safety warnings.
Correct and orderly installation/assembly is necessary for trouble-free operation of the unit.
Ruhrpumpen does not assume any liability for damage resulting from inadequate
installation/assembly. The chosen location for installation must offer enough space for maintenance
activities. Ruhrpumpen recommends consulting also API Recommended Practices 686 to ensure
proper installation in your facility.
Please contact a Ruhrpumpen representative should problems arise. The pump may only be opened
by a Ruhrpumpen approved technician during the guarantee period.
In case of queries, please have your project number and type designation of the pump available. You
can find both of these on the first page of these operating instructions or on the rating plate fixed to
the pump.
When ordering spare parts we would further request that you give the description of the required
parts, together with their part numbers and identity numbers. You can find these on the sectional
drawing and spare part list enclosed.
1.1 INTRODUCTION
The VLT pump is a vertical process pump with one or more stages that are connected to a fabricated
nozzle head by one or more discharge columns. The entire pump and column assembly are
suspended in a suction receiving can.
By providing a multi-stage design, VLT pumps provide outstanding efficiencies and low cost operation
in high pressure applications. The special first stage allows operation with extremely low NPSH
requirements while running at optimal speeds. Exclusive hydraulic and mechanical features provide
continuing reliability with this optimum performance.
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