fisher_EZ_im操作说明书手册

Instruction ManualEZ ValveD100401X012November 2017FisherTM EZ easy-eTM Control ValveContentsFigure 1.Fisher EZ Valve with 657 Actuator andIntroduction ................................DVC6000 Digital Valve ControllerScope of Manual.............................Description……1Specifications，，，，,,,”””””Educational services.........................2Installation..................................Maintenance ................................Packing Lubrication..........................6Packing Maintenance.........................6Replacing Packing .......................9Trim Maintenance4+++。。。。。。。。，4+44+++·。。。12Disassembly12Lapping Metal Seats on Valves with Plainand Extension Bonnets5Assembly .15ENVIRO-SEALTM Bellows Seal and Bonnet.......20Replacing a Plain or Extension Bonnetwith an ENVIRO-SEAL Bellows Seal(Stem/Bellows Assembly)and Bonnet ...20Replacing an Installed ENVIRO-SEALBellows Seal(Stem/Bellows Assembly)...22Purging the ENVIRO-SEALBellows SealBonnet...................24PartsOrdering...............................24海12041Parts Kits……4Parts List。。44444+44。。。4。…4444++4。27IntroductionScope of ManualThis instruction manual includes installation,maintenance,and parts information for NPS 1/2 through 4 Fisher EZvalves through CL600 ratings.Refer to separate manuals for instructions covering the actuator and accessories.Do not install,operate,or maintain an EZ 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.DescriptionEZ valves(figure 1)are globe-style with integral end connections,post guiding,and quick-change trim.These valvesare used in chemical or hydrocarbon processing applications or in applications that require control of nonlubricating,viscous,or other hard-to-handle fluids.FISHEREMERSONwww.Fisher.com