Flowserve NM Bedienungsanleitung PDF herunterladen (Seite 13)

NM USER INSTRUCTIONS ENGLISH 71576289 - 11/09

Page 13 of 48

• Maximum pumped fluid temperature

- With a stuffing box without cooling ....105 °C

- With a stuffing box and cooling..........140 °C

for the pumps 32, 40, 50, 65, 80, 100, 125,

150, 200 and 201 NM.

- With a mechanical seal without cooling

............................................................. 80 °C

- With a mechanical seal and cooling

......................................................Consult us

• Minimum pumped fluid temperature.... -10 °C

•

Maximum solid suspension ................. 50 g/m

• Density................................................. 1

• Viscosity .............................................. 1 mm²/s

• Frequency .............. 50 Hz (1450 - 2900 min

-1

)

................................ 60 Hz (1750 - 3500 min

-1

)

• Maximum number of stages (according to speed of rotation)

Maximum number of stages

Speed

min

-1

100

125

150

200

201

102

122

152

202

252

352

3500 10 7 6 6 5

4 6

2900 12 10 9 8 7

6 9

1750 12 10 9 8 7

8 9

6 9 6 7

4 7 5 4 4 4

1450 12 10 9 8 7 9 10

9 12 8 11

6 10 6 6 5 5 4*

* With impeller in bronze

In heavy type: Realization, which needs Ductile

cast iron.

The maximum speed is shown on

the pump nameplate.

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

Pump type

Speed of rotation

Flow rate

Year of construction +

Manufacture number

Head

Radial/thrust bearing

Mass

Maximum admissible

Pressure at 20 °C

Maximum / minimum

temperature

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 47 48

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