Eclipse Combustion AIRHEAT AH-MA - Manual (Page 24)

Eclipse AH-MA Air Heat Burner v2, Design Guide 160, 8/1/05 24
Figure 3.10 Staged Burner Valve Layout
Note:
A single pilot fuel feed can be used when the staged burners are
piloted by the adjacent burners.
Consult Eclipse
Eclipse can help you design and obtain a main gas shut-off valve train that
complies with the current safety standards.
The shut-off valve train must comply with local safety standards set by
authorities that have jurisdiction.
For details, please contact your local Eclipse representative or Eclipse
Combustion.
Note:
Eclipse supports NFPA regulations (two shut-off valves) as a
minimum standard for main gas “safety shut-off valves.”
Flexible
Nipple
Pipe
Union
Pipe
Union
Duct Wall
Flexible
Nipple
Flexible
Nipple
Pipe
Union
Main
Gas
(from shut-off
valve train)
Pilot
Gas
Main Gas
Control
Valve
Burner 1
Shut-Off Valve
Pilot
Pressure
Regulator
Solenoid
Valve
Manual
Butterfly
Valve
Main Gas
Control
Valve
Burner 2
Shut-Off Valve
Pilot
Shut-Off
Valve
Solenoid
Valve
Solenoid
Valve
Manual
Butterfly
Valve
Adjustable
Gas Cock
OR
Adjustable
Orifice Valve
& Gas Cock