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HL 102 Pipe Friction Training Panel
Education / GUNT Hamburg / Thermal Engineering and HVAC / Heating and Ventilation in Buildings /

Four different pipe sections are fitted to a panel. Each section can be individually selected using ball valves. The measuring points are 1m apart. To keep measuring inaccuracies as low as possible, the pressure is measured using annular chambers.

  The trainer is supplied from the water mains. The flow rate is adjusted using valves and measured using a rotameter. The pressure drop over a pipe section is measured using a digital, battery-operated differential manometer.

Learning Objectives / Experiments

Experiments to be performed on the pressure loss in pipes
- Measurement of the difference in pressure on

  various pipe sections
- Effect of varying pipe diameter
- Effect of different materials and surface finishes
- Effect of flow rates
- Comparison of experiment and calculation


[1] Investigations on pipes
[2] 4 pipe section of the same lengths and different materials as measured objects
[3] Pipe sections can be selected via ball valves
[4] Flow rate can be adjusted via valves
[5] Pressure measurement with annular chambers
[6] Pressure measurement with digital differential pressure manometer, battery-operated
[7] Flow rate measurement using rotameter 
[8] Water connections made using quick-release couplings


Technical Data

Pipe sections: measured length: 1000mm
- Pipe section 1: acrylic 20x1.5mm
- Pipe section 2: steel 1/2"
- Pipe section 3: copper 18x1mm
- Pipe section 4: copper 15x1mm

Differential pressure manometer with bleeder

- supply: 9V, battery-powered


Measuring ranges

- flow rate: 150...1600L/h
- pressure: 0...1000mbar

Dimensions and Weight
l x w x h: 1650x700x1850mm
Weight: approx. 92kg
Required for Operation
Water connection 1500L/h, drain
Scope of Delivery

1 trainer

1 differential pressure manometer

1 set of connecting hoses

1 manual

Order Details
065.10200  HL 102  Pipe Friction Training Panel