Emerson Fisher 685 Installation Manual

www.Fisher.comFisherr 685 Piston ActuatorContentsIntroduction 1...Scope of Manual 1...Descript

Instruction ManualD103626X012685 Piston ActuatorSeptember 20141024. Without grease, trim to length and then install a new wear ring (key 6).25. Lift c

Instruction ManualD103626X012685 Piston ActuatorSeptember 201411Parts OrderingWhen corresponding with your Emerson Process Management sales office abo

Instruction ManualD103626X012685 Piston ActuatorSeptember 201412Parts ListNoteFor part numbers not shown, contact your Emerson ProcessManagement sales

Instruction ManualD103626X012685 Piston ActuatorSeptember 201413Figure 2. Fisher 685 with Manual HandwheelLEFT SIDE VIEWFRONT VIEWRIGHT SIDE VIEWE1565

Instruction ManualD103626X012685 Piston ActuatorSeptember 201414Figure 3. Fisher 685 without Manual Handwheel2E15661001001001001005758

Instruction ManualD103626X012685 Piston ActuatorSeptember 201415

Instruction ManualD103626X012685 Piston ActuatorSeptember 201416Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham, K

Instruction ManualD103626X012685 Piston ActuatorSeptember 20142Table 1. SpecificationsOperating Pressure(1)Minimum: 2.7 bar (40psig)Maximum Allowable:

Instruction ManualD103626X012685 Piston ActuatorSeptember 20143Educational ServicesFor information on available courses for Fisher 685 piston actuator

Instruction ManualD103626X012685 Piston ActuatorSeptember 20144Table 3. ThrustACTUATOR SIZE STROKETHRUST AT SUPPLY PRESSURE, N (LBF)(1)4.1 barg (60 ps

Instruction ManualD103626X012685 Piston ActuatorSeptember 20145Table 5. Approximate Weights for Constructions with HandwheelsMAXIMUMVALVE TRAVELAPPROX

Instruction ManualD103626X012685 Piston ActuatorSeptember 20146If the actuator is being installed without a positioner, the cylinder loading pressures

Instruction ManualD103626X012685 Piston ActuatorSeptember 20147connector slightly, tightening the locknuts together, and (with the valve plug off the

Instruction ManualD103626X012685 Piston ActuatorSeptember 20148MaintenanceWARNINGAvoid personal injury from sudden release of process pressure. Before

Instruction ManualD103626X012685 Piston ActuatorSeptember 20149Seal and Oring ReplacementThe following procedure is for the replacement of the intern