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GB300 BOILER INSTALLATION AND OPERATION INSTRUCTIONS
Page 37
Figure 97 Water Boilers in Battery
Figure 97A Typical Single Boiler Steam Piping
Expansion Tank
Pressure
Reducing
Valve
Hi Limit
Control
ASME
Safety
Valve
Temperature
Pressure Gage
Expansion Tank
ASME
Safety
Valve
External
Low-water
Cutoff
Blowoff
Valves
Stop
Valve
Check Valve
Check
Valve
Stop
Valve
Blowoff
Valve
Hi Limit
Control
Internal
Low-water
Cutoff
Temperature
Pressure Gage
Preferred Location
Of Circulating Pump
Alternate Arrangement
With Diaphragm Expansion
Tank (Required On Each
Boiler)
Air Vent
Maximum
Temperature
Limit Control
Maximum
Temperature
Limit Control
Hi Limit
Control
Stop Valve
Check Valve
Blowoff
Valve
Pres.
Controls
ASME
Safety
Valve
LWCO
Gage Glass
F & T
Trap
Stop Valve
Steam Main
Steam Gage