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COMBAT
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CABINET HEATERS INSTALLATION, COMMISSIONING, OPERATION AND SERVICE MANUAL
18
Figure 12: Pressurised System Installation - Duplex System
Check
Valve
Check
Valve
Relief Valve
Pressure Gauge
Check
Valve
Stop
Valve
Stop
Valve
Stop
Valve
Burner
No. 1
Pump
No. 2
Pump
Duplex Pump Set
Burner
Pressure
Reducing
Valve
Pressure
Reducing
Valve
Stop
Valve
Storage Tank
Below Ground
For
Fuel Tanks
above
Pump Set
(The system shown has one pump for run and the
other for standby. The valves allow the standby pump
to be removed for maintenance while the system is still running).