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1.3.2 Pump Performance
Picture 1-1
:
Pump Performance
1.3.3 Reference Formula of Mould Controllers Model Selection
Heater Power (kW) = mould weight (kg)
×
mould specific heat (kcal/kg )
×
℃
temperature difference between mould and environment ( )
×
safety coefficient
℃
/ heating duration / 860
Note: safety coefficient can select a value from 1.3 to 1.5.
Flow Rate (L/min) = heater power (kw)
×
860 / [heating medium specific
(kcal/kg )
×
heating medium density (kg/L)
×
in/outlet temperature difference
℃
( )
×
time (60)]
℃
Note: Water specific heat =1kcal/kg
℃
Heating medium oil specific heat =0.49kcal/kg
℃
Water density =1kg/L
Heating medium oil density =0.842kg/L
Содержание STM-1213-HPW
Страница 1: ...STM PW Series High Temp Water Heater Date Apr 2013 Version Ver B English ...
Страница 2: ......
Страница 22: ...22 50 2 3 Electrical Diagram 2 3 1 Main Circuit STM 940HPW 230V Picture 2 4 Main Circuit STM 940HPW 230V ...
Страница 23: ...23 50 2 3 2 Control Circuit STM 940HPW 230V Picture 2 5 Control Circuit STM HPW 230V ...
Страница 25: ...25 50 2 3 4 Electrical Components Layout STM 940HPW 230V Picture 2 7 Electrical Components Layout STM HPW 230V ...
Страница 27: ...27 50 2 3 6 Main Circuit STM 940HPW 400V Picture 2 8 Main Circuit STM 940HPW 400V ...
Страница 28: ...28 50 2 3 7 Control Circuit STM 940HPW 400V Picture 2 9 Control Circuit STM HPW 400V ...