fisher_EASYE-ED-EAD_im操作说明书手册

Instruction ManualED ValveD100390X012February 2011Fisher ED and EAD easy-e TM ValvesCL125 through CL600ContentsFigure 1.Fisher ED Valve with 667 ActuatorIntroductionScope of Manual..1Description.…2Specifications...............................Installation...................................3Maintenance.................................Packing Lubrication..........................5Packing MaintenanceReplacing Packing ......................6Trim Maintenance10Disassembly............................10Lapping MetalSeats.....................11Valve Plug Maintenance.12Assembly............................13Retrofit:Installing C-seal Trim.13Replacement of Installed C-seal TrimTrim Removal(C-seal Constructions)5Lapping Metal Seats(C-seal Constructions)..19Remachining Metal Seats(C-seal Constructions)19Trim Replacement(C-seal Constructions)...19ENVIRO-SEALM BellowsSeal Bonnet...........20Replacing a Plain or Extension Bonnet with anENVIRO-SEAL Bellows Seal BonnetW1916-2(Stem/Bellows Assembly).20Replacement of an Installed ENVIRO-SEALBellows Seal Bonnet(Stem/Bellows Assembly)….21Parts Ordering.……24Purging the ENVIRO-SEALParts Kits2Bellows Seal Bonnet...................24Parts ListIntroductionScope of ManualThis instruction manual includes installation,maintenance,and parts information for NPS 1 through 8 Fisher EDvalves,and NPS 1 through 6 EAD valves,through CL600 ratings.Refer to separate manuals for instructions coveringthe actuator and accessories.FISHEREMERSON.www.Fisher.comProcess Management