- Civil Lab Mechanical Lab Engineering Lab Equipments
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CAT NO: DIDACTICNE7955
Multiâ€Pump Test Rig.
1] Selfâ€contained mobile unit consisting of four different pumps and measurement instrumentation. [2] Supplied with a DC dynamometer, sump tank, volumetric tank and interconnecting pipework and valves. [3] Instrumentation includes torque measurement, tachometer with analogue readâ€out. [4] Bourdon gauges to measure delivery pressures. [5] Bourdon vacuum gauge to measure suction at pump inlet. [6] GRP volumetric tank with low and high flow ranges. [7] Knife edge weirs for flow measurement. [8] Basic unit includes the following four pumps: centrifugal pump, turbine pump, axial flow pump, gear pump. [9] Speed range 0 to 3000 rpm [10] Torque measurement 0 to 1Nm and 0.5 to 3.5Nm dual range. [11] Variable speed control by DC thyristor controller. [12] Demonstration capabilities: †Measuring manometric head across a pump using Bourdon gauges connected to the inlet and discharge †Measuring flowrate through a pump using a volumetric tank or knife edge weir †Determining the power absorbed by a pump from measurements of torque and speed of dynamometer motor †Determining the performance of a pump at constant speed by producing a set of characteristic curves, namely, manometric head,
power absorbed by the pump and pump efficiency, all plotted against flow †Determining the effect of speed on the performance of a pump by producing a set of characteristic curves †Understanding the difference between dynamic pressure type pumps and positive displacement type pumps †Understanding the difference between rotodynamic type pumps. †Determining the volumetric efficiency of a positive displacement pump by comparing actual and theoretical flowrate †Investigating the effect of suction losses on a centrifugal pump
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