Emerson Fisher 161AY Series Instruction Manual page 5

FLOW DIRECTION
B2625_2
TYPE 252 SUPPLY FILTER
FLOW DIRECTION
E0790_09/2006
INLET PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
LOADING PRESSURE
161AY SERIES PILOT
TYPE 112 RESTRICTOR
TYPE 252 PILOT
SUPPLY FILTER
W7438_07/2008
TYPE EZR WITH TYPES 161EB PILOT, 112 RESTRICTOR AND 252 FILTER
TYPE EZR WITH PRX SERIES PILOT AND TYPE 252 FILTER
Figure 2. Type EZR Operational Schematic
RESTRICTOR
PORT S
PORT L
PORT A
MAIN SPRING
DIAPHRAGM AND
PLUG ASSEMBLY
Type EZR
161EB SERIES PILOT
MAIN SPRING
DIAPHRAGM AND
PLUG ASSEMBLY
TYPE PRX PILOT
DAMPER
PORT B
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