Emerson Fisher 685 Datasheet

www.Fisher.comFisherr 685 Piston ActuatorThe 685 is a double-acting piston actuator thatprovides accurate, high thrust output for short to longtravel

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 201410Table 10. Dimensions C and AR (Actuator Removal Clearance) (continued)ACTUATORSI

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 201411Table 11. Approximate Weights for Constructions without HandwheelsMAXIMUMVALVE T

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 201412Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilChat

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 20142Table 1. SpecificationsOperating Pressure(1)Minimum: 2.7 bar (40psig)Maximum Allo

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 20143Principle of Operation685 piston actuators utilize a pneumatically controlledpist

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 20144Figure 1. Fisher 685 Piston ActuatorX0923TIE RODSCYLINDERMOUNTING BOSSESPRESSURE

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 20145Table 4. Standard Constructions(1)ACTUATORSIZEPISTONDIAMETERPISTON RODAREAPISTON

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 20146Figure 2. Position of Pressure ConnectionsTOP VIEW OF ACTUATOR WITH MANUAL OVERRI

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 20147Figure 3. Fisher Double-Acting ActuatorVIEW OF BOTTOM OF YOKE BOSSABCEFFRONT VIEW

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 20148Table7.DimensionsA,G,andHACTUATOR SIZEA G Hmm Inch mm Inch mm Inch12 381 15.00 33

685 Piston ActuatorD103625X012Product Bulletin61.2:685September 20149Table 10. Dimensions C and AR (Actuator Removal Clearance)ACTUATORSIZEMAXIMUMVALV