fisher_8590_im操作说明书手册

Instruction Manual8590 ValveD104016X012June 2017FisherTM 8590 Rotary ValveContentsFigure 1.Fisher 8590 Valve with 2052 ActuatorIntroduction.…and DVC6200 Digital Valve ControllerScope of Manual,,，,,,,。。，·Description1Specifications”””，””””””””””””Educational Services.........................2Installation…4Maintenance。4。+…4.4…+…4+……”*…9Packing MaintenanceReplacing the Seal Ring Assembly13Replacing the Disk,Shafts,or BearingsActuator Mounting.........................20Parts Ordering ...............................2Parts Kits………21Parts List21IntroductionScope of ManualThis instruction manual includes installation,maintenance,and parts information for the Fisher 8590 valve,NPS 3through NPS 24(figure 1).Refer to separate instruction manuals for information covering the power actuator andaccessories.Do not install,operate,or maintain an 8590 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.DescriptionThe Fisher 8590 High-Performance Butterfly Valve maintains tight shutoff,and can be specified for a wide range ofpressure and temperature conditions.The 8590 valve is available in a lugged body design.A splined shaft can combine with a variety ofspring-and-diaphragm or pneumatic piston actuators.A square or keyed shaft can combine with a variety ofhandlevers,handwheels,or pneumatic piston actuators.These combinations help make the 8590 valve a reliable,high-performance butterfly valve for both throttling and on-off applications in the process industries.FISHEREMERSONwww.Fisher.com