WDX USER INSTRUCTIONS ENGLISH 71576322 06-05
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3.2 Nomenclature
Characteristics shown on the nameplate fixed on the pump are as shown below:
Each pump is supplied with the following nameplate:
Each pump unit is supplied with the following nameplate:
Mass of the set
The pump size will be engraved on the nameplate
typically as below:
4 WDX E 6 D
Nominal discharge branch size.
Series name
Configuration (see 3.1 above)
Number of stages
Hydraulic type
The typical nomenclature above is the general guide
to the WDX configuration description. Identify the
actual pump size and serial number from the pump
nameplate. Check that this agrees with the applicable
certification provided.
3.3 Design of major parts
3.3.1 Pump casing
The pump casings (suction, discharge and stage) are
sealed with o’rings and designed to contain the
pressure s generated by the pump at the various
possible design pressure s and temperatures.
3.3.2 Impeller
The impeller is fully shrouded and may be fitted with
optional wear rings.
The suction impeller is specifically designed to have a
low NPSH requirement.
3.3.3 Diffuser
The diffusers are fully machined to optimise
performance.
3.3.4 Shaft
The shaft mounted on bearings with a keyed drive
end.
Pump type
Speed of rotation
Flow rate
Year of c onstruc tion +
Manufacture number
Head
Radial/thrust bearing
Mass
Maxi mum admissibl e
Pressure at 20 °C
Maxi mum / mini mum
temperature
