Emerson A31D Manual de instrucciones

www.Fisher.comFisherr POSI-SEAL™ A31D Double-FlangeHigh-Performance Butterfly ValveContentsIntroduction 1...Scope of Man

Instruction ManualD500248X012A31D ValveApril 201410NoteStandard PTFE packing is composed of a partially conductive carbon-filled PTFE female adaptor w

Instruction ManualD500248X012A31D ValveApril 201411Packing MaintenanceTheA31Dvalveisdesignedsothepackingcanbereplacedwithoutremovingthevalvefromthepro

Instruction ManualD500248X012A31D ValveApril 201412CAUTIONDamage to the valve disk can occur if the disk is not closed when the valve is being removed

Instruction ManualD500248X012A31D ValveApril 201413To install a new seal, O-ring (key 6), and retaining ring gasket, follow the appropriate instructio

Instruction ManualD500248X012A31D ValveApril 2014142. Install the seal ring and O-ring assembly in the valve body. The wider outside diameter of the s

Instruction ManualD500248X012A31D ValveApril 201415WARNINGAvoid personal injury or property damage caused by the impact of a falling or tipping of a l

Instruction ManualD500248X012A31D ValveApril 201416Figure 6. Anti-Blowout Design DetailsPACKINGFLANGEANTI-BLOWOUTFLANGESHAFTSHOULDERSHAFTHEX NUTSTUDPA

Instruction ManualD500248X012A31D ValveApril 201417Anti-Blowout Protection, Packing, Valve Shaft(s), Disk, and BearingMaintenanceRemovalNoteNPS 3 thro

Instruction ManualD500248X012A31D ValveApril 201418NoteIt is not necessary to remove the retaining ring and valve seal when removing the shaft(s) and

Instruction ManualD500248X012A31D ValveApril 201419b. After screwing the rod into the pin, slide the spacer over the rod and pin. Thread the nut onto

Instruction ManualD500248X012A31D ValveApril 20142A31D Valve Specifications and Materials of ConstructionTable 1. Fisher A31D Valve SpecificationsSPEC

Instruction ManualD500248X012A31D ValveApril 201420CAUTIONTo avoid damage to the taper key, tangential pins, valve disk, or shaft(s) resulting from th

Instruction ManualD500248X012A31D ValveApril 201421Key numbers in this procedure are shown in figure 9, 10, or 11 unless otherwise indicated.1. Proper

Instruction ManualD500248X012A31D ValveApril 2014227. Place the flat side of the disk on a flat surface and insert wooden blocks to raise the disk app

Instruction ManualD500248X012A31D ValveApril 2014231. Replace the gasket (key 21) and gasket retainer (key 20) over the end of the follower shaft. Use

Instruction ManualD500248X012A31D ValveApril 201424Repair KitsPTFE Repair kits include a single PTFE packing set and anti-extrusion washers. Graphite

Instruction ManualD500248X012A31D ValveApril 201425Parts L istNotePart numbers are shown for recommended spares only. For partnumbers not shown, conta

Instruction ManualD500248X012A31D ValveApril 201426Key Description Part NumberNPS 24 V124867X01227 Cap Screw - Actuator (4 req'd) (not shown)28 H

Instruction ManualD500248X012A31D ValveApril 201427Figure 8. ENVIRO-SEAL Packing SystemsPTFE PACKING SYSTEM34B7524-BSTACKING ORDER OFPTFE PACKING RING

Instruction ManualD500248X012A31D ValveApril 201428Key 5* Seal RingVALVE SIZE, NPS SOFT SEAL PHOENIX III SEAL METAL SEALPTFE UHWMPE S31600/PTFE NOVEXC

Instruction ManualD500248X012A31D ValveApril 201429Key 6* Backup RIngVALVE SIZE, NPS FKM NITRILE EPR CHLOROPRENESoft Seal PTFE / UHMWPE CL1503 V143826

Instruction ManualD500248X012A31D ValveApril 20143InstallationRecommended or ”preferred” installation for the A31D valve is with the flow into the sha

Instruction ManualD500248X012A31D ValveApril 201430Key 7* BearingVALVE SIZE, NPS QUANTITY NEEDED PEEK 316 / NITRIDECL1503 2 V166262X012 V166 484X0124

Instruction ManualD500248X012A31D ValveApril 201431Key 21* GasketVALVE SIZE, NPSSOFT SEAL METAL / PHOENIX IIIStandard and NACE StandardCL1503 16B0782X

Instruction ManualD500248X012A31D ValveApril 201432Figure 9. Fisher A31D Valve Body Assembly, NPS 3-8 CL150 and NPS 3-6 CL300GE57850-AUSE ONLY WITH SO

Instruction ManualD500248X012A31D ValveApril 201433Figure 10. Fisher A31D Valve Body Assembly, NPS 10-12 CL150 and NPS 8-12 CL300GE57889-AUSE ONLY WIT

Instruction ManualD500248X012A31D ValveApril 201434Figure 11. Fisher A31D Valve Body Assembly, NPS 14-24 CL150 and CL300GE62596-APARTS NOT SHOWN: KEYS

Instruction ManualD500248X012A31D ValveApril 201435

Instruction ManualD500248X012A31D ValveApril 201436Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham, Kent ME4 4QZ U

Instruction ManualD500248X012A31D ValveApril 20144CAUTIONDamage to the disk will occur if any pipe flanges or piping connected to the valve interfere

ABAInstruction ManualD500248X012A31D ValveApril 20145Table 2. Stud Bolt and Cap Screw Chart for Double-Flange ValvesVALVE SIZE, NPSA31D, CL150, ISO 57

Instruction ManualD500248X012A31D ValveApril 20146Figure 2. Available Seal ConfigurationsNOTE:FOR OPTIMUM SEAL PERFORMANCE, THE PREFERRED VALVE ORIENT

Instruction ManualD500248X012A31D ValveApril 20147Table 4. Valve WeightsSIZE CL150 CL300NPS kg lb kg lb3 15 33 28 634 25 56 35 776 34 76 65 1438 54 11

Instruction ManualD500248X012A31D ValveApril 20148Refer to table 2 for the quantity and size of line bolting required to install the valve i n the pip

Instruction ManualD500248X012A31D ValveApril 20149Figure 4. Optional Shaft-to-Valve Body Bonding Strap AssemblyVALVE BODYACTUATORAAVIEW A-A37A6528-AA3