Emerson KEYSTONE FIGURE 79U - Double Acting Actuator Assembly - Models 065-180; Single Acting Actuator Assembly - Models 065 S-180 S; Non-Standard Single Acting Actuator Assembly - Models 065 S-180 S

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KEYSTONE FIGURE 79 PNEUMATIC ACTUATOR
OPERATING AND MAINTENANCE INSTRUCTIONS
STANDARD (FAIL CLOSE) SINGLE ACTING ACTUATOR ASSEMBLY - 79U/E MODELS 065S-180S
NON-STANDARD (FAIL OPEN) SINGLE ACTING ACTUATOR ASSEMBLY - 79U/E MODELS 065S-180S
STANDARD DOUBLE ACTING ACTUATOR ASSEMBLY - 79U/E MODELS 065-180
Top view of Actuator
Closed position
(Pistons in)
Open position
(Pistons out)
Top view of Actuator
Closed position
(Pistons in)
Open position
(Pistons out)
Top view of Actuator
Closed position
(Pistons out)
Open position
(Pistons in)
FIGURE 9
Closed position
(Pistons out)
Open position
(Pistons in)
FIGURE 8
FIGURE 10
End cap O-ring Backing ring
Travel bolts
Close Open
Body O-ring Hex head
screws
Lock washer
Piston
Direction of movement
Travel bolts
Models
090S/180S
Model 065S
only
Close
Open
End cap/spring hsg.
O-ring
Backing ring
Travel bolts
Body O-ring Hex head
screws
Lock washer
Piston
Direction of movement
End cap/spring hsg.
O-ring
Backing ring
Close Open
Body O-ring
Hex head screws
Lock washer
Piston Direction of movement