Emerson Fisher D4 Manuale delle Istruzioni

www.Fisher.comFisherr D4 Control Valve AssemblyContentsIntroduction 1...Scope of Manual 1...De

Instruction ManualD103042X012D4 ValveNovember 201310AssemblyRefer to figures 2, 3, 4, and 5.NoteIf your D4 valve assembly has a packing retainer lock

Instruction ManualD103042X012D4 ValveNovember 201311Refer to figure 4.Before disassembling the actuator, disassemble the valve plug, seat ring, and pa

Instruction ManualD103042X012D4 ValveNovember 2013123. Assemble the diaphragm plate assembly. Place the patterned side of the diaphragm (key 15) again

Instruction ManualD103042X012D4 ValveNovember 2013138. Ifthehammernutneedstoberemovedfromthebonnet,thespringpins(key7)canberemovedwithlockingpliers.As

Instruction ManualD103042X012D4 ValveNovember 2013147. Replace the spring (key 30), spring seat (key 29), and adjusting stem nut (key 44) over the adj

Instruction ManualD103042X012D4 ValveNovember 201315Figure 4. Fisher D4 Valve Assembly (Spring-to-Close)GE02332-CBELLEVILLE SPRINGAND PACKING ARRANGEM

Instruction ManualD103042X012D4 ValveNovember 201316Figure 5. Fisher D4 Valve Assembly (Spring-to-Open)BELLEVILLE SPRINGAND PACKING ARRANGEMENTAPPLY L

Instruction ManualD103042X012D4 ValveNovember 201317Repair KitsNoteAll repair kits are supplied with hydrogenated nitrile bonnet O-ring. FKM(fluorocar

Instruction ManualD103042X012D4 ValveNovember 201318Key Description Part Number25* Actuator O-ring 1K7561X007226* Adjusting Stem Bushing (spring-to-op

Instruction ManualD103042X012D4 ValveNovember 201319Appendix ANoteThese instructions apply to valves manufactured with serial numbers less than 186792

Instruction ManualD103042X012D4 ValveNovember 20132Table 1. SpecificationsAvailable ConfigurationsSpring-to-CloseSpring-to-OpenValve Body Sizes and En

Instruction ManualD103042X012D4 ValveNovember 201320Figure 6. Fisher D4 Belleville Spring ProcedureBELLEVILLE SPRINGS REASONABLY TIGHTTO SEAT THE PACK

Instruction ManualD103042X012D4 ValveNovember 201321Figure 7. Lubrication Locations on PackingFEMALE PACKING ADAPTERMALE PACKING ADAPTERPACKING RINGLU

Instruction ManualD103042X012D4 ValveNovember 2013228. Install the Belleville springs (key 11). The Belleville springs (key 11) should be single stack

Instruction ManualD103042X012D4 ValveNovember 201323

Instruction ManualD103042X012D4 ValveNovember 201324Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham, Kent ME4 4QZ

Instruction ManualD103042X012D4 ValveNovember 20133Table 2. Valve Sizes and Connection StylesVALVESIZE,NPSPORTDIAMETER,(INCHES)SCREWED RAISED FACE (RF

Instruction ManualD103042X012D4 ValveNovember 20134Table 6. Maximum Shutoff Pressure Drops(1)for Fisher D4 Control Valves (Spring-to-Open)When Used wi

Instruction ManualD103042X012D4 ValveNovember 20135WARNINGWhen ordered, the valve configuration and construction materials were selected to meet parti

Instruction ManualD103042X012D4 ValveNovember 20136Spring-to-CloseRefer to figure 4.1. Loosen the adjusting screw nut (key 44).2. Turn the adjusting s

Instruction ManualD103042X012D4 ValveNovember 20137Disassembly1. Remove the loading pressure tubing and any accessories that may hamper disassembly.2.

Instruction ManualD103042X012D4 ValveNovember 201382. Install the plug (key 2) on the stem (key 47) and insert a new groove pin (key 4).3. Thoroughly

Instruction ManualD103042X012D4 ValveNovember 20139Figure 2. Fisher D4 Packing InstallationVALVE PLUG, BELLEVILLE SPRINGS, AND PACKING RETAINERCORRECT