The trainer was designed for heating and plumbing trainees. The four-way mixing valve in a heating system controls the circulation and feed flow temperatures of the water flowing in the heating syste...
The trainer was designed for heating and plumbing trainees.
The four-way mixing valve in a heating system controls the
circulation and feed flow temperatures of the water flowing in the heating
system and the boiler return flow temperature. It is possible to add the hot
water required and to connect radiators. The differential pressure across the
pipe system is limited using a relief valve. Bimetallic thermometers indicate
relevant temperatures.
Learning Objectives/Experiments
Function and operating behaviour of a four-way mixing valve
Effect of the mixing ratio on feed and circulating flow
temperature
Effect of mixer setting on the flow rate
In conjunction with other trainers in the series, it is
possible to set up a complete heating system.
Specification
Trainer on heating systems and plumbing
4-way mixing valve DN 20
Circulating pump
4 rotameters
4 bimetallic thermometers
2 heating water connections DN 15
2 water connections for boiler DN 15
1 differential pressure overflow valve
Water connections made using quick-release couplings
Technical Data
Pump
power consumption: 60W
max. flow rate: 60L/min
max. head: 4m
Four-way mixing valve
setting angle: 90°
opening time: 2min
Measuring ranges
flow rate:
3x 150…1600L/h
1x 0…440L/h
temperature: 0…100°C
230V, 50Hz, 1 phase
The trainer was designed for heating and plumbing trainees.
The four-way mixing valve in a heating system controls the
circulation and feed flow temperatures of the water flowing in the heating
system and the boiler return flow temperature. It is possible to add the hot
water required and to connect radiators. The differential pressure across the
pipe system is limited using a relief valve. Bimetallic thermometers indicate
relevant temperatures.
Learning Objectives/Experiments
Function and operating behaviour of a four-way mixing valve
Effect of the mixing ratio on feed and circulating flow
temperature
Effect of mixer setting on the flow rate
In conjunction with other trainers in the series, it is
possible to set up a complete heating system.
Specification
Trainer on heating systems and plumbing
4-way mixing valve DN 20
Circulating pump
4 rotameters
4 bimetallic thermometers
2 heating water connections DN 15
2 water connections for boiler DN 15
1 differential pressure overflow valve
Water connections made using quick-release couplings
Technical Data
Pump
power consumption: 60W
max. flow rate: 60L/min
max. head: 4m
Four-way mixing valve
setting angle: 90°
opening time: 2min
Measuring ranges
flow rate:
3x 150…1600L/h
1x 0…440L/h
temperature: 0…100°C
230V, 50Hz, 1 phase
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