fisher_8560_im操作说明书手册

Instruction Manual8560 ValveD102013X012December 2010Fisher 8560 Eccentric DiscButterfly Control ValveContentsFigure 1.Fisher 8560Valve with 1052 Actuator andIntroductionDVC6000 Series Digital Valve ControllerScope of Manual ............................1Description.…SpecificationsInstallation................3Valve Orientation..…Maintenance.........。···"·9Packing Maintenance.Seal Ring Maintenance for NPS 3 through120nly..............16Seal Ring Maintenance for NPS2...............21Disc,Drive Shaft and Bearing Maintenancefor NP5 3through 12Only.................22Disc,Drive Shaft and Bearing Maintenancefor NP52................................25Actuator Mounting..…26Parts Ordering...............28Retrofit Kits for ENVIRO-SEALM Packing29Repair Kits for ENVIRO-SEAL Packing29Parts List29IntroductionScope of ManualThis instruction manual includes installation,maintenance,and parts information for NPS 2 through 12 8560 EccentricDisc Butterfly Control Valves(see figure 1).Refer to separate instruction manuals for information covering theactuator and accessories.Do not install,operate,or maintain 8560 valves 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 wamings.If youhave any questions about these instructions,contact your Emerson Process Management sales office beforeproceeding.DescriptionThe seal design of the 8560 eccentric disc high performance butterfly valve provides excellent shutoff capability.Thevalve includes PTFE-filled or graphite packing rings that electrically bond the shaft to the valve body.This valve has aspline drive shaft end,and soft or metal seal rings for use in a wide variety of applications.FISHEREMERSON.www.Fisher.comProcess Management