Emerson 667 Manuel d'instructions

www.Fisher.comFisherr 667NS Diaphragm ActuatorsSize 40, 45, 70, and 80ContentsIntroduction 1...Scope of Manual 1...

Instruction ManualD102603X012667NS ActuatorNovember 201210bench set range (a) plus the friction force divided by the effective diaphragm area with inc

Instruction ManualD102603X012667NS ActuatorNovember 2012113. For sizes 40 through 70, turn the spring adjustor (key 74, figure 2 or 3) into the yoke t

Instruction ManualD102603X012667NS ActuatorNovember 201212All maintenance operations can be performed with the valve in the line.WARNINGAvoid personal

Instruction ManualD102603X012667NS ActuatorNovember 2012136. Install three new O-rings (keys 8 and 9) on the seal bushing.7. Lubricate the O-rings, an

Instruction ManualD102603X012667NS ActuatorNovember 201214DisassemblySize 40, 45, and 70 ActuatorsKey number references are shown in figure 2 for size

Instruction ManualD102603X012667NS ActuatorNovember 20121512. Unbolt the lower diaphragm casing cap screws (key 30), and lift the lower diaphragm casi

Instruction ManualD102603X012667NS ActuatorNovember 2012169. Tighten the remaining hex nuts in a clockwise, criss-cross pattern to 27 NSm(20lbfSft).10

Instruction ManualD102603X012667NS ActuatorNovember 201217CAUTIONOvertightening the diaphragm casing cap screws and nuts can damage the diaphragm. Do

Instruction ManualD102603X012667NS ActuatorNovember 201218Parts OrderingEach actuator has a serial number stamped on the nameplate. Always refer to th

Instruction ManualD102603X012667NS ActuatorNovember 201219Key Description83 Washer, steel (2 req'd), size 70 onlyNoteKey numbers 84 through 98 ar

Instruction ManualD102603X012667NS ActuatorNovember 20122Table 1. Fisher 667NS SpecificationsSPECIFICATIONACTUATOR SIZE40 45 70 80Nominal Effective Di

Instruction ManualD102603X012667NS ActuatorNovember 201220Figure 2. Size 40 or 45 Fisher 667NS ActuatorAPPLY LUB55A9191-HI0070I00

Instruction ManualD102603X012667NS ActuatorNovember 201221Figure 3. Size 70 Fisher 667NS ActuatorAPPLY LUB55A9193-FI007070

Instruction ManualD102603X012667NS ActuatorNovember 201222Figure 4. Size 80 Fisher 667NS ActuatorAPPLY LUB56A1032-D

Instruction ManualD102603X012667NS ActuatorNovember 201223

Instruction ManualD102603X012667NS ActuatorNovember 201224Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham, Kent ME

Instruction ManualD102603X012667NS ActuatorNovember 20123Table 5. Size 80 Diaphragm AreaTRAVEL AREAmm Inch cm2Inch2019293800.751.1251.5203919031865184

Instruction ManualD102603X012667NS ActuatorNovember 20124D Maxi mum Excess Diaphragm Pressure: Additional pressure may be added when the actuator isat

Instruction ManualD102603X012667NS ActuatorNovember 20125If the actuator and control valve body are separate, mount the 667NS actuator on the valve bo

Instruction ManualD102603X012667NS ActuatorNovember 201269. Push the valve stem firmly against its seat, and be sure that it remains firmly against th

Instruction ManualD102603X012667NS ActuatorNovember 20127Figure 1. Schematic and Stem Connection Details for Fisher 667NSSPRINGPUSHESDOWNAIRLIFTSSCHEM

Instruction ManualD102603X012667NS ActuatorNovember 201287. Increase actuator loading pressure to the upper end of the bench range and check to be sur

Instruction ManualD102603X012667NS ActuatorNovember 20129AdjustmentsTravelWARNINGWhen moving the actuator stem with diaphragm loading pressure, use ca