Comparison of Pumps Educational Equipment Thermal Laboratory Equipment

Comparison of Pumps Educational Equipment Thermal Laboratory Equipment

ZH1701 Comparison of Pumps Educational Equipment Thermal Laboratory Equipment for college, vocational training center, university. 

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ZH1701 Comparison of Pumps Educational Equipment Thermal Laboratory Equipment

The experiments familiarise students with various pump types, such as centrifugal and positive displacement pumps.

The HM 362 trainer includes two centrifugal pumps, one piston pump as a positive displacement pump and a self-priming side-channel pump. The side-channel pump works primarily as a centrifugal pump and, depending on liquid level, can also act as a positive displacement pump. This means, as a special feature, the side-channel pump also permits gases to be pumped.

The pump being investigated pumps water in a closed circuit. In the process, the performance data of the pump and pressure losses in the pipeline are recorded. The centrifugal pumps can also be operated in parallel or in series configuration. Each pump is driven by a separate three-phase AC motor. The speed of the motors for the centrifugal pumps is variably adjustable by a frequency converter. All motors are mounted on swivel bearings, so the torque can be measured by way of a force sensor, enabling the mechanical drive power output to be determined.

One free position is likewise equipped with a reversible three-phase AC motor with variable speed. This position can be used for mounting of any pump.

Experiments demonstrate the basic operating behaviour of various pump types.

Relevant measured values can be read on digital displays. At the same time, the measured values can also be transmitted directly to a PC via USB. The data acquisition software is included. The performance data of the pump and losses in the pipeline are calculated by the software and represented by characteristic curves. The operating point of the pump can be determined from these characteristics.

Specification

experiments relating to key issues in pump engineering

comparison of various pump types: centrifugal pump, piston pump, side-channel pump

operation of centrifugal pumps in parallel or series configuration

free position for additional pump

three-phase AC motors for centrifugal pumps and additional motor with variable speed by frequency converter

GUNT software for data acquisition via USB under Windows 8.1, 10

Technical data

Centrifugal pump 2x

max. flow rate (Q): 300L/min

max. head (H): 16,9m

nominal speed: 2900min-1

Three-phase AC motor 2x, for centrifugal pump

power output: 1,1kW

Side-channel pump, self-priming, one-stage

Q: 83,3L/min, H: 50m

nominal speed: 1450min-1

Three-phase AC motor for side-channel pump

power output: 1,1kW

Piston pump

Q: 17L/min, H: 60m

nominal speed: 405min-1

Three-phase AC motor for piston pump

power output: 0,55kW

Three-phase AC motor, additional motor, reversible

power output: 0,75kW

speed range: 750…3000min-1

Measuring ranges

flow rate: 0…500L/min

pressure (inlet): -1…1,5bar

pressure (outlet): 0…10bar

torque: 0…15Nm

speed: 0…3000min -1

pump electrical power consumption: 0…2kW

400V, 50Hz, 3 phases

400V, 60Hz, 3 phases

230V, 60Hz, 3 phases

Dimensions and weight

LxWxH: 2860x1200x1960mm

Weight: approx. 430kg

Required for operation

PC with Windows recommended

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