Emerson Fisher Type 99 User Manual

Type 99
5
Figure 4. Working Monitor Installation
20A1389-A
B2484
DISTRIBUTION PRESSURE
CONTROL LINE
TYPE 161AYW MONITORING
PILOT (ALSO REPRESENTATIVE
OF TYPE 627-109)
PILOT SUPPLY LINE
WORKING
MONITOR PILOT
INTERMEDIATE
PRESSURE
INTERMEDIATE PRESSURE
CONTROL LINE
LOADING
PRESSURE
UPSTREAM
PRESSURE
OPTIONAL
PILOT SUPPLY
REGULATOR
WORKING
MONITOR
REGULATOR
WORKING
REGULATOR
OPTIONAL
PILOT SUPPLY
REGULATOR
PILOT SUPPLY PIPING FOR WORKING REGULATOR WHEN PILOT IS
REQUIRED TO BE SUPPLIED FROM UPSTREAM PRESSURE
DISTRIBUTION
PRESSURE
FLEXIBLE ARRANGEMENT THAT PERMITS WIDE-OPEN MONITOR TO BE EITHER UPSTREAM OR DOWNSTREAM
Figure 5. Typical Wide-Open Monitor Installations
MINIMUM PIPING ARRANGEMENT THAT REQUIRES WIDE-OPEN MONITOR TO ALWAYS BE UPSTREAM
10A1386-A
A2503
UPSTREAM
REGULATOR
(REQUIRES O-RING
STEM SEAL)
WORKING
REGULATOR
OPTIONAL PILOT
SUPPLY REGULATOR
10A1388-A
A2504
UPSTREAM
REGULATOR
(REQUIRES O-RING
STEM SEAL)
OPTIONAL PILOT
SUPPLY REGULATOR

Emerson Fisher Type 99 Specifications

General

Brand	Emerson
Model	Fisher Type 99
Category	Controller
Language	English