Fisher 685 User Manual

Instruction Manual
D103626X012
685 Piston Actuator
June 2017
11
Parts Ordering
When corresponding with your Emerson sales officeor Local Business Partner about this equipment, refer to the serial
numbers (there are two serial numbers located on the actuator) found on the actuator nameplate (key 22).
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should
not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the
performance of the valve, and could cause personal injury and property damage.
Parts Kits
Includes all soft seals and O-rings required for seal and O-ring replacement in standard operating temperature
constructions. Refer to figures 3 and 4.
KIT CONTENTS ACTUATOR SIZE
PART NUMBER
Standard
Temperature
Low
Temperature
High
Temperature
Piston Rod Wiper Seal, Key 15
Bearing Oring, Key 13
Bearing Quad Seal, Key 12
Piston Rod Oring, Key 19
Piston Wear Ring, Key 6
Piston Quad Seal, Key 7
Upper/Lower Head Oring, Key 2
Upper/Lower Head Oring, Key 2
685 Actuator Grease, Key 100
12 R685X000012
R685X000092 R685X000172
14 R685X000022
R685X000102 R685X000182
16 R685X000032
R685X000112 R685X000192
18 R685X000042
R685X000122 R685X000202
20 R685X000052
R685X000132 R685X000212
22 R685X000062
R685X000142 R685X000222
24 R685X000072
R685X000152 R685X000232
26 R685X000082
R685X000162 R685X000242

Fisher 685 Specifications

General

Brand	Fisher
Model	685
Category	Controller
Language	English