Flow Safe F8000 Series User Manual

INSTALLATION, OPERATION, &
MAINTENANCE MANUAL
TITLE: F7000 / 8000 Series Rev. V
Pilot-Operated Safety Relief Valve Page 25 of 41
F500 PILOT VALVE ASSEMBLY
RETAINER
LOCK NUT
FACE SEAL
VENT /
BUG SCREEN
DIAPHRAGM
FASTENER
SPRING
WASHER
FEEDBACK
PISTON SEAL
SPRING
PRESSURE
ADJUSTMENT (PA)
SCREW
PA CAP
BONNET
BODY
DIAPHRAGM
WASHER
DIAPHRAGM
DIAPHRAGM
FASTENER SEAL
A
A
BUSHING /
INLET SCREEN
(THREADED PORT
OMITTED ON ‘IM’ VERSION)
SET POINT
INDICATOR
(SEE DETAIL B)
SPINDLE SEAL
FEEDBACK PISTON
SEAT
S
LOWER SEAT
SPINDLE SPRING
DIAPHRAGM
SUPPORT RING SEAL
BONNET BOLT
DIAPHRAGM
SUPPORT RING
BUSHING SEAL
(BACKUP RING
BELOW SEAL ON
‘IM’ VERSION
)
PA SCREW SEAL
(WHEN SPECIFIED)
FACE SEAL
F500 PILOT VALVE, LP DIAPHRAGM-STYLE
(15 - 285 PSIG)
DISABLED
NO BFP
F500 PILOT VALVE, INTERMEDIATE PRESSURE (IP) PISTON-STYLE, (286 - 1,480 PSIG)
or
F500 PILOT VALVE, HIGH PRESSURE (HP) PISTON-STYLE, (1,480 - 6,000 PSIG)
HP CONFIGURAT
ION
SAME AS IP
,
EXCEPT AS NOTED
NEW DESIGN W/ O-RING (00-2313) SEAL
201
9
-
PRESENT
STANDARD DESIGN (LEGACY)
1996
-
201
9
BACKFLOW PREVENTER (BFP) OPTIONS
SECTION A
-
A
SOCKET-HEAD
CAP SCREW
(HP)
PISTON RING
F500 SET POINT INDICATOR (SPI), OPTIONAL
DETAIL B
SPI
SEAT
SPI
BUSHING
SEAL
SPI
SEA
L
SPI
PISTON
SPI
BUSHING
PISTON
REDUCER RING
SPI PIN
SPI PIN
SEAL
SEAT RETAINER
SET SCREW
(HP)
PISTON RING SEAL
PISTON SEAL
PISTON
BONNET, THREADED
(HP)
BFP NOZZLE
O-RING SEAL
(IF PRESENT)
BFP NOZZLE,
BLANK
JAM
NUT
JAM NUT
SEAL
BFP
PISTON
BFP
O-RING
BFP
NOZZLE
BFP NOZZLE
O
-
RING SEAL
BFP
PISTON
BFP
O-RING
BFP
NOZZLE

Flow Safe F8000 Series Specifications

General

Brand	Flow Safe
Model	F8000 Series
Category	Control Unit
Language	English