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Instruction Manual
760004-A
February 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Description and Specifications 2-5
Model NGA 2000 HFID
DIFFUSER
BULKHEAD
REDUCER
1/4T - 1/8T
BRASS
FILTER
BULKHEAD
1/4T - 1/4T
BRASS
TUBING 1/8 OD
COPPER
MANIFOLD,
SAMPLE
SAMPLE
CAPILLARY
SENSOR,
SAMPLE
TEMPERATURE
BULKHEAD
1/4T - 1/8T
SS
RESTRICTOR,
BYPASS
RUN TEE
1/4T - 1/4FPT
BRASS
PORT CONNECTOR
1/4
TUBING 1/4 OD
VITON
PURGE
PRESSURE
SENSOR
A
B
PLUG
1/4NPT
BULKHEAD
3/8T BRASS
PURGE
AIR IN
REDUCER
3/8T - 1/4T
BRASS
ELBOW
1/4T - 1/4NPT
BRASS
SWITCH,
PURGE
FLOW
REGULATOR,
PURGE AIR
PLUG
1/8NPT
ADAPTER
1/4T - 1/8NPT
BRASS
ELBOW
PURGE AIR
RESTRICTOR
BRASS
TUBING 1/4 OD
VITON
REGULATED
AIR IN
CHECK
VALVE
1/3 PSIG
ELBOW
1/4T - 1/4FPT
BRASS
AIR
RESTRICTOR
FUEL RESTRICTOR
1/8T - 1/8T
ELBOW
1/8T - 1/8MPT
BRASS
TUBING 1/8 OD
COPPER
IN
OUT
GA
IN
OUT
RUN TEE
1/8T - 1/8MPT
BRASS
ELBOW
1/8T - 1/8T
BRASS
TUBING 1/8 OD
COPPER
AIR IGNITE
RESTRICTOR
SENSOR,
BURNER AIR
PRESSURE
0
-
30 PSIG
TUBING 1/8 OD
SS
TUBING 1/8 OD
COPPER
PRESSURE
REGULATOR,
BURNER AIR
0 - 60 PSIG
REGULATOR,
FUEL
PRESSURE
0 - 30 PSIG
IN
OUT
GA
SENSOR,
FUEL
PRESSURE
0
-
30 PSIG
BURNER
DETECTOR
ELBOW
1/4T - 1/4MPT
BRASS
PRESSURE SENSOR,
REGULATED AIR
0 - 15 PSIG
FIXED FLOW
CONTROLLER,
REGULATED AIR
RUN TEE
1/4T - 1/4MPT
BRASS
TUBING 1/4 OD
COPPER
UNION
1/4T BRASS
TUBING 1/4 OD
COPPER
CONNECTOR
1/16T - 1/8NPT
SS
PRESSURE
SWITCH
SOLENOID
VALVE
OUT
BULKHEAD
RESTRICTOR
1/4T - 1/4T
SS
TUBING 1/8 OD
SS
PRESSURE
RELIEF
VALVE
HEATED
SAMPLE
IN
SAMPLE
BYPASS
OUT
BURNER
EXHAUST
BURNER
AIR IN
PURGE
AIR OUT
FUEL
IN
BULKHEAD
3/8T - 1/4MPT
BRASS
BULKHEAD
CONNECTOR
1/4T - 1/8NPT
SS
FUEL
RESTRICTOR
MALE
CONNECTOR
1/8T - 1/8NPT
SS
Figure 2-2. Flow Diagram