SUPPLY
5-16 barg (73 - 230 psi )
INSTRUMENT
AIR/INERT GAS
H
H
MOTOR ENCLOSURE
D.P.HI FROM RELIEF VALVE
AUTOMATIC
LEAKAGE
COMPENSATION
VALVE
MANUALLY SET
PURGE FLOW
CONTROL VALVE
MINIPURGE
CONTROL LOGIC
XC
MOTOR INTERLOCK
INTERMEDIATE PRESSURE
SYSTEM PURGING (OPTIONAL)
RELIEF
VALVE
ASSEMBLY
XI
PI
PURGING/
PURGE
COMPLETE
MINIPURGE SYSTEM ENCLOSURE
1/8" NPT
1/4" [6mm] I.D.
D.P. LO FROM RELIEF VALVE
1/8" NPT TEST POINT
NORMALLY PLUGGED
ALARM / PRESSURIZED
1" [25mm] I.D. MINIMUM
MANUALLY SET
PURGE BOOST FLOW
CONTROL VALVE
PURGE BOOST UNIT (OPTIONAL)
PAL
OPEN PURGE OUTLET VALVE CONTROL SIGNAL
1" NPT
LOW
PRESSURE
ALARM
1/8" NPT
1/8" NPT
1/4" [6mm] I.D.
1/4" [6mm] I.D.
1" NPT
PI
H
CONNECT TO EITHER
A
OR
B
1/2" NPT
*
1/2" NPT
AB
1" [25mm] I.D. MINIMUM
1/8"
NPT
1/8"
NPT
1/8"
NPT
ELECTRICAL SIGNAL VIA EEx e JUNCTION BOX
RECOMMENDED MINIMUM SIZE FOR PURGE AIR DISTRIBUTION
PIPEWORK
OPTIONAL
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