Flowserve WDX Manual do Utilizador descarregar pdf (Página 13)

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

pressures generated by the pump at the various

possible design pressures 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

Flowrate

Year of construction +

Manufacture number

Head

Radial/thrust bearing

Mass

Maxi mum admi

ssible

Pressure at 20 °C

Maxi mum / minimum

temperature

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 45 46

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