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Pump Selection Form for Centrifugal Pumps in the Chemical Field

We need as many details as possible for the lay-out of the pump and for the right material selection. This information enables us to work out an optimal offer for your specific application. We will fax this offer to you within the next few days.


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1. Which type of pump do you need ?
Magnetically coupled, normal-priming centrifugal pump
Magnetically coupled, normal-priming impeller-type peripheral pump
Normal-priming centrifugal pump with mechanical seal
Self-priming centrifugal pump with mechanical seal
Submersible pump
2. In which line of industry shall the pumps be used?
Semiconductor industry?
3. Medium to be pumped
Description
Chemical formula
Concentration %
Specific weight: kg / dm³
Operating temperature of the medium to be pumped: °C min. °C max.
Viscosity:    °E   cSt   mPas   cP  bei °C
Solid content: ja  nein  
Solid rate: g / l
Size of solid particles µm
Does the medium to be pumped
tend to crystallize		 ja  nein   falls ja, bei °C
According to previous experiences, which materials are resistant to the medium to be pumped or should be used for pipes, containers, fittings and similar: (multiple selection possible)
xPVDF
PP
PVC
Stainless steel (1.4571)
Hastelloy C
Brass
Aluminium
PTFE
Which sealing materials are resistant?
NBR
FEP
FKM (z.B. Viton®)
PTFE
EPDM
Kalrez®

Which friction-bearing materials are resistant ?

Carbon
SiC
Ceramic
Stainless steel
PTFE
3. Operating data
Flow rate: Q: l / min  m³ / h  l / h
Total discharge head including
the resistance in the pipe system
and fittings:		 H: m
Inlet height: max: m
Suction line Length: m
Nominal diameter: DN
Pressure line Length: m
Nominal diameter: DN
System pressure (bar) Less than 6 bar Greater than 6 bar
For self-priming pumps: max. Suction head:  m
tretched suction line length: m
for Submersible pumps Immersion depth in mm
4. Operation mode
Operating time per day hrs/day
Operational frequency per day
Where is the pump used in your building (application)
5. E-motor drive
Single phase alternating current (AC)
Alternating current 1-phase
Alternating current 3-phase
Alternating current explosion proof
Alternating current pressure tight encased
Voltage Volt
Frequency Hz.
Protection type IP
   
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