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PRODUCT
HM 285 Experiments with a Piston Pump
Education / GUNT Hamburg / Fluid Mechanics and Hydrology / Hydraulic Fluid Energy Machines /
description

The HM 285 demonstration unit enables the pump curve of a reciprocating pump to be measured. The system consists of the pump with an electrical drive motor and the pipe system with supply tank. Electronic sensors provide the delivery pressure and the pressure in the cylinder; a angle sensor is used to determine the position of the connecting rod and thus the volumetric displacement. The pressure level in the system is maintained constant using an overflow valve. The pulsating pressure characteristic of the pump can be damped with an air vessel. The software for data acquisition and visualisation makes the experiments especially clear and enables fast execution of experiments with reliable results.

Learning Objectives / Experiments

- characteristic curve of a reciprocating pump
- influence of pulsation attenuation
- pressure characteristics of delivery pressure and

  cylinder pressure
- preparation of a p-V diagram
- determination of efficiencies

Specification

[1] reciprocating pump demonstration unit
[2] pressure measurement in the cylinder and in the delivery pipe
[3] flow rate measurement with flowmeter

[4] system pressure regulator using overflow valve

[5] pulsation attenuation of the delivery pressure using bleed valve on the top of the pump

[6] measuring of pressure, flow rate and stroke

[7] LabVIEW software for data acquisition via USB under Windows XP, Windows Vista or Windows 7

 

Technical Data

Reciprocating pump
- speed: ca. 120min-1 

- max. flow rate: 1.000L/h
- max. head: 40m
Drive motor

- consumption: 180W
- speed: 1.360min-1

Gear transmission: i=7,5

Overflow valve: 1...4bar

Pipes and fittings made of PVC

Measuring ranges

- pressure (intake side): 0...5bar

- pressure (delivery side): 0...5bar

- stroke: 0...50mm

- flow rate: 0,2...6L/min

 

Dimensions and Weight

LxWxH:

Weight: approx.

Required for Operation
230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase
Scope of Delivery
1 experimental unit
1 LabVIEW software CD + USB cable
1 instruction manual
Order Details

070.28500  HM 285  Experiments with a Piston

                                  Pump