Page 49 - PIGNAT catalogue 2020 GB_092020

PUMPS BENCH

BEP/2000 CENTRIFUGAL PUMPS STUDY

➢ Study of the characteristics of a centrifugal pump and coupling
two pumps in series / parallel

Study of the two self-contained centrifugal pumps in suction operation
Plot the characteristic graph at various speeds
Observe cavitation
Determine yield electrical consumption/hydraulic power

Study of the pump coupling methods
Coupling in series
Coupling in parallel

Study a motor pump assembly in suction operation (optional)
Determination of characteristic TDH (total dynamic head) graphs against
flow rate
Determination of yields (electrical consumption/motor torque/hydraulic

General specifications Instrumentation

• Vacuum Gauges.
• 150 L PE tank with removable lid and • Manometer.
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draining valve.
Photo, with moto-pump option • SS centrifugal pump: measurement • 2 flowmeters.
• Vacuum gauges.
• Manometer.
of the power consumed and variable
speed.

• SS centrifugal pump and transparent
A security system with low flow en- flange.
sures smooth operation and long life 200 - 400 V Water Drainage
of the pumps • Serial coupling selection valve. 3ϕ - 50/60 Hz 500 L / h
Dim: 210 x 70 x 225 cm - 250 kg
A transparent shroud on the second
pump allows to visualize the
cavitation.

The design of this unit allows:
The study of a closed loop operation 16
The study of pumps (6 and 11) individually coupled
in series or in parallel. 17 14 15

The arrangement of the valves (15, 16 and 17) ensures the 8 13
Other versions coupling. 7 12
5 10

BEP/3000 All gauges (5, 7, 10 and 12) mounted on the suction and 6 P1 P2 11
Study of centrifugal pumps discharge pumps are used to determine the HMT. 4 9
Pressure and temperature
influence. The suction throttle, allows to highlight the phenomenon of 18
cavitation at the pump 11.
EAU
The pump 6 is provided with a drive controller and a power 2 1
meter for determining, for various speeds of operation, the LL 3
characteristic of the pump and the power consumption.

Fluids & fluidization 49