Smith Cast Iron Boilers GB300 - Manual (Page 38)

GB300 BOILER INSTALLATION AND OPERATION INSTRUCTIONS
Page 38
Figure 98 Typical Steam Piping - Gravity Return for Multiple Boilers
Figure 98A Typical Steam Piping - Pumped Return for Multiple Boilers
Stop Valve
To Return
Header
ASME
Safety
Valve
Stop Valve
Stop Valve
ASME
Safety
Valve
Stop Valve
Check Valve
Check Valve
Blowoff Valves
LWCO
& Gage
Glass
Pres.
Controls F & T
Trap
Steam
Gage
Press.
Controls
LWCO
Steam Gage
Water Column
& Gage Glass
Blowoff Valves
F & T Trap
High Level
“Spill”
Stop Valve
ASME
Safety
Valve
Stop Valve
Stop Valve
ASME
Safety
Valve
Check Valve
Blowoff Valves
LWCO
Pump
Control
& Gage
Glass
Steam Gage
Pump Control
& Gage Glass
Steam
Gage
Pres.
Controls
LWCO
Solenoid Valve
Solenoid Valve
Stop Valve
Check Valve
To Receiver
Tank
F & T Trap
High Level
“Spill” To Receiver
Tank
Pres.
Controls