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PRODUCT
HM 332 Series / Parallel Pumps / PC
Education / GUNT Hamburg / Fluid Mechanics and Hydrology / Hydraulic Fluid Energy Machines /
description

DATA SHEET UNDER REVISION!

 The HM 332 Pump Test Rig was developed for the serial and parallel operation of 2 centrifugal pumps. It is used predominantly for determining pump and system characteristic curves. The measured data is recorded electronically during the experiments. This makes it possible to display and process the data on a PC. At the same time, the measured data is displayed on easy to read digital displays. This allows operation without a PC connected. The test rig basically comprises 2 identical centrifugal pumps that are driven using DC shunt wound motors of adjustable speed. Proximity switches measure the speed of the motors, force transducers on the motor shafts determine the output torque. At all key points on the unit, the pressure is determined using absolute pressure transducers, the flow rate is measured using a magnetic-inductive sensor.

Learning Objectives / Experiments
Determination of pump characteristic curves
Determination of a system characteristic curve
Parallel pump operation
Serial pump operation
Specification
[1] Test rig with 2 centrifugal pumps
[2] Experimental set-up on mobile laboratory trolley
[3] l x w x h 2000x750x1720mm, 198kg
[4] Closed water circuit with tank 96ltr
[5] Electronic data acquisition, measured values can be processed on a PC
[6] Torque measurement via pendulum mechanism with strain gauge force transducer
[7] Adjustable speed pump motor, 1.06kW
[8] 230V,~50Hz
Technical Data
DC shunt wound motor, adjustable
Nominal rating: 1.06kW
Nominal speed: 2000rpm
Permitted speed range: 800...2000rpm
Pump
Head: 4.8 m
Qmax: 10.7m3/h
Volumetric flow rate measurement Qmax: 16m3/h
Speed measurement on digital display 0...3000rpm
Torque measurement on digital display 0...5Nm
Pressure measurement measuring range: 4bar absolute
Tank: 96 litres
Dimensions and Weight
l x w x h : 2000 x 750 x 1720 mm
Empty weight: approx. 198 kg
Required for Operation
230V,~50Hz
Scope of Delivery
1 test rig, fully assembled on laboratory trolley, 1 data acquisition card with software, 
1 set of experiment instructions
Order Details
070.33200 HM 332 Series / Parallel Pumps / PC