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HL 101
Thermal Expansion Training Panel
Investigating the thermal expansion of different pipe sections (PVC, PE, copper, steel)
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HL 104
Temperature Measurement Training Panel
Investigation of 4 different temperature measuring techniques in the range from 0...60°C
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HL 102
Pipe Friction Training Panel
Measurement of the difference in pressure on 4 pipe section of the same lengths and different materials
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HL 113
Losses in Valves and Fittings Training Panel
Pressure loss at standard fittings: ball valve, angle seat valve, straight-way valve, shut-off gate valve
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HL 103
Fitting Loss Training Panel
4 different measuring sections, 10 elbows / bends
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HL 111
Fluid Friction Training Panel
Friction loss in open pipes; measurement of hydrostatic pressure, pressure variations in flowing fluids and differential pressure
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HL 210
Losses in Pipe Systems and Fittings
Demonstration of friction loss in pipe constrictions, elbows, bends, valves and fittings
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HL 105
Three-Way Mixing Valve Training Panel
Effect of mixing ratio on feed flow or circulating flow temperature
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HL 106
Four-Way Mixing Valve Training Panel
Effect of the mixing ratio on feed and circulating flow temperature
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HL 107
Circulating Pumps Training Panel
Series and parallel operation of 2 pumps
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HL 110
Expansion Vessel Training Panel
Displacement volume of an expansion vessel as a function of the pressure
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HL 109
Safety Devices Training Panel
Function of safety devices
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HL 112
Radiator Training Panel
Radiators in a heating system
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HL 108
Domestic Heating Circuit Training Panel
Model of a central heating system
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HL 305 
Hydronic Balancing of Radiators
Balancing of a heating system: three heating subcircuits with radiators, thermostatic valves and a circulating pump
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