fisher_ES-EAS_im操作说明书手册

Instruction ManualES ValveD100397X012November 2017FisherTM ES and EAS easy-eTM ValvesCL125 through CL600ContentsFigure 1.Fisher ES Valve with 657 ActuatorIntroduction…Scope of Manual.............................1Description…Specifications ..............................22Installation。,,44++++。。。。444+4+++··Maintenance ..APacking Lubrication .........................5Packing Maintenance.6Replacing Packing .......................6Trim Maintenance11Disassembly1Lapping MetalSeats.....................13Valve Plug Maintenance .................3Assembly0444444444440013ENVIRO-SEALTM Bellows Seal and Bonnet .......14Replacing a Plain or Extension Bonnet with anENVIRO-SEAL Bellows Seal (Stem/BellowsAssembly)and Bonnet..........。14Replacement of an Installed ENVIRO-SEALBellows Seal (Stem/Bellows Assembly)..16Purging the ENVIRO-SEAL BellowsSeal Bonnet,…17Parts Ordering.………17Parts Kits...................................1771741Parts List21IntroductionScope of ManualThis instruction manual includes installation,maintenance,and parts information for NPS 1/2 through 8 Fisher ESvalves,and NPS 1 through 6 EAS valves,through CL600 ratings.Refer to separate manuals for instructions covering theactuator and accessories.Do not install,operate,or maintain an ES valve without being fully trained and qualified in valve,actuator,andaccessory installation,operation,and maintenance.To avoid personal injury or property damage,it is important tocarefully read,understand,and follow all the contents of this manual,including all safety cautions and warnings.If youhave any questions about these instructions,contact your Emerson sales office or Local Business Partner beforeproceeding.FISHEREMERSONwww.Fisher.com