Emerson Fisher 161AY Series Instruction Manual page 15

PILOT SUPPLY CONNECTION: 1/4 NPT PIPE
CONNECTS TO UPSTREAM PILOT SUPPLY TAP
INLET 3/4 NPT CONNECTS
TO 1/4 NPT TYPE 112 OUTLET
B2609
INLET 1/4 NPT
CONNECTS
TO 1/4 NPT
TYPE 112 OUTLET
21B5005-A
TYPES 161EB AND 161EBH
11B5004-A
CONTROL LINE CONNECTION:
1/2 NPT PRESSURE
REGISTRATION ONLY. USE
3/8 NPT O.D. TUBING OR LARGER
FOR CONTROL LINE.
CONTROL LINE CONNECTION:
3/4 NPT PRESSURE
REGISTRATION AND PILOT
BLEED (EXHAUST). USE
3/4 NPT PIPE MINIMUM FOR
CONTROL LINE.
INLET 3/4 NPT
CONNECTS
TO 1/4 NPT
TYPE 112 OUTLET
TYPE 161AY
1/4 NPT
NORMALLY PLUGGED
CONTROL LINE CONNECTION:
1/4 NPT PRESSURE
REGISTRATION AND PILOT BLEED
(EXHAUST). USE 3/8 NPT
O.D. TUBING LARGER FOR
CONTROL LINE.
Figure 7. Pilot Port Function and Connection Sizes
LOADING CONNECTION: 1/4 NPT PIPE CONNECTS TO
TYPE EZR DIAPHRAGM LOADING PORT
OPTIONAL LOADING CONNECTION:
1/4 NPT NORMALLY PLUGGED
TYPE 112
TYPE 161AYM
INLET 1/4 NPT
CONNECTS
TO 1/4 NPT
TYPE 112 OUTLET
TYPES 161EBM AND 161EBHM
Type EZR
OUTLET CONNECTION: 1/4 NPT PIPE
CONNECTS TO PILOT INLET CONNECTION
PILOT BLEED (EXHAUST)
CONNECTION: 3/4 NPT. USE
1/2 NPT PIPE MINIMUM FOR BLEED
(EXHAUST) LINE.
CONTROL LINE CONNECTION:
1/4 NPT PRESSURE
REGISTRATION ONLY. USE
3/8 NPT O.D. TUBING OR LARGER
FOR CONTROL LINE.
PILOT BLEED (EXHAUST)
CONNECTION: 1/4 NPT. USE 3/8 NPT
O.D. TUBING OR LARGER FOR BLEED
(EXHAUST) LINE.
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