fisher_ET-EAT_im操作说明书手册

Instruction ManualETValveD100398X012November 2017FisherTM ET and EAT easy-eTM ValvesCL125 through CL600ContentsFigure 1.Fisher ET Control Valve with 667 ActuatorIntroduction...…Scope of Manual...............................Description,·…Specifications.................................3Educational Services……InstallationMaintenance,,,,.,,,,,,,,,···APacking Lubrication ...........................5Packing Maintenance5Replacing Packing6Trim Maintenance11Disassemblyt,”。t,”,5。,”t,”。无，”，”，11Lapping MetalSeats.......................12Valve Plug Maintenance....................1315ENVIRO-SEALTM Bellows Seal Bonnet.......16Replacing a Plain or Extension Bonnet with anENVIRO-SEAL Bellows Seal Bonnet(Stem/Bellows Assembly).......16Replacement of an Installed ENVIRO-SEALBellows Seal Bonnet(Stem/BellowsAssembly)19Purging the ENVIRO-SEAL Bellows Seal Bonnet 20Parts Ordering..…1Parts Kits...................21116-3Pat5ist............,.。......。.,26IntroductionScope of ManualThis instruction manual includes installation,maintenance,and parts information for NPS 1 through 8 Fisher ET valves,and NPS 1 through 6 EAT valves,through CL600 ratings.Refer to separate manuals for instructions covering theactuator and accessories.Do not install,operate,or maintain ET valves without being fully trained and qualified in valve,actuator,and accessoryinstallation,operation,and maintenance.To avoid personal injury or property damage,it is important to carefullyread,understand,and follow all the contents of this manual,including all safety cautions and warnings.If you have anyquestions about these instructions,contact your Emerson sales office or Local Business Partner before proceeding.FISHEREMERSONwww.Fisher.com