Fulton Ltd
Output pressure controller adjusting
Operating pressure indicators
Input gas test point
Adjustable pressure switch
Gas input mounting flange location
Figure. 15 - Gas Valve (non modulating burner): Major Components
GAS ACTUATOR
GAS GOVERNOR & VALVE
Gas governor
Gas out flange
Filter & main housing
Figure. 16 - Gas Valve (fully modulating burner): Major Components
VMP-IOMM-2018-2
screw
COMMISSIONING - 3
Hydraulic brake
Main gas flow adjustment
High fire solenoid
Low fire flow adjustment
Test point 1 downstream (internal
leak test)
Test point 2 downstream
Test point 1upstream
Servo motor body
Valve coupling
Gas valve
Electrical connections
Low gas pressure switch
Gas in flange
Filter caps
Page 31