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SCHEMATIC LAYOUT FOR STEAM PRE-HEATER INSTALLED UPSTREAM FROM THE ELECTRIC PREHEATER
E
N
G
L
TO BE INSTALLED BY
THE CUSTOMER
I
S
H
FROM BURNER PUMP
1 - LEAK DISCHARGE
2 - STEAM PASSAGE INDICATOR
3 - DISCHARGE CONDENSATE
4 - FILTER
5 - MANUALLY CONTROLLED BY-PASS GATE VALVE TO EXCLUDE
THE PRE-HEATER WHEN IT'S COLD
6 - ELECTRIC PRE-HEATER
7 - SELF CLEANING FILTER 0.3 MM
8 - THERMOMETER
9 - MIN PRE-HEATER THERMOSTAT
10- MAX PRE-HEATER THERMOSTAT
11- PRE-HEATER ADJUSTER THERMOSTAT
12- THERMOMETER
13 - PLUG FOR PRESSURE GAUGE
14 - STEAM PRE-HEATER
15 - CUT-OUT GATE VALVE
16 - STEAM PRESSURE REGULATOR ADJUSTABLE FROM 1÷8 BAR
17 - STEAM GAUGE 0÷10 BAR
A) STEAM ENTRY MIN 12 BAR
B) AIR DISCHARGE
C) DISCHARGE CONDENSE
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AT THE NOZZLE
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