Elmo Rietschle L-BV7 - Manual (Page 17)

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Technical Data
0
50
100
150
200
250
300
0 20 40 60 80
 fl [°C]
p 1
[mb
a
r
a
b
s
.]
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0 50 100 150 200

f l
[°F]
p 1
[p
si
a]
Fig. 2: Minimum inlet pressure/cavitation limit

fl
[°C, °F] = Temperature of operating liquid
p
1
[mbar abs., psia] = Inlet pressure abs.
The minimum permissible inlet pressure of the pump-motor unit is dependent on the temperature of the operating
liquid.
During operation without cavitation protection, the minimum inlet pressure must be set above the shaded area.

Nominal operating-liquid flow rate
(with dry air extraction and with water at 15°C
[59 °F] as operating liquid)
Flow rate
[m³/h] [ft³/h]
Type
at
50 Hz: at
60 Hz: at
50 Hz: at
60 Hz:
2BV7 060 0.20 0.20 7.06 7.06
2BV7 061 0.23 0.23 8.12 8.12
2BV7 070 0.28 0.34 9.89 12.0
2BV7 071 0.45 0.55 15.9 19.4
Operating-liquid filling amount for priming
Filling amount Type
[l] [gal (US)] [gal (UK)]
2BV7 060 0.40 0.106 0.088
2BV7 061 0.55 0.145 0.121
2BV7 070 0.80 0.211 0.176
2BV7 071 1.10 0.291 0.242