Fisher Control-Disk Скачать руководство пользователя страница 17

Instruction Manual

D103298X012

Control-Disk Valve

June 2017

17

Figure 7. Sectional of Typical Valve Body

ACTUATOR END
OF SHAFT

POSITION INDICATION MARK INDI­
CATES APPROXIMATE DISK POSITION

CCW DISK 
ROTATION
TO OPEN

X2

X1

Figure 8. Follower Spring/Spring Seat Assembly

FOLLOWER
SPRING SEAT
(KEY 9)

FOLLOWER SPRING
(KEY 12)

FOLLOWER
SPRING SEAT
(KEY 9)

Содержание Control-Disk

Страница 1: ...ad understand and follow all the contents of this manual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson sales office or Local Business Partner before proceeding Description The Control Disk rotary valve offers excellent throttling performance An equal percentage flow characteristic provides an improved throttling range comparable ...

Страница 2: ...f PTFE RPTFE or UHMWPE seal ring Class VI per ANSI FCI 70 2 and IEC 60534 4 S31600 316 SST seal ring Class IV per ANSI FCI 70 2 and IEC 60534 4 Flow Direction Standard forward flow is with the seal retainer facing upstream reverse flow is permissible within specified pressure drop limitations for soft seal only Metal seal is unidirectional Flow Characteristic Equal percentage Disk Rotation Counter...

Страница 3: ...raphite 46 to 454 2 50 to 850 2 CW2M N10276 PEEK PTFE PTFE or RPTFE PTFE 46 to 232 50 to 450 M35 2 N05500 PEEK PTFE PTFE or RPTFE PTFE 46 to 232 50 to 450 1 Minimum allowable temperature for PN series flanges is 10_C 14_F See requirements of EN 13445 2 Annex B for applications below 10_C 14_F with PN series flanges 2 For applications exceeding 427_C 800_F consult your Emerson sales office or Local...

Страница 4: ...EN 12516 1 or in ASME B16 34 The M35 2 valve body material is listed in ASME B16 34 but is not listed in EN 12516 1 Valve bodies constructed of these materials mate with EN and ASME flanges but must not be installed in systems requiring conformance to EN or ASME standards if not included in EN or ASME pressure temperature ratings Maximum allowable inlet pressures for Control Disk valve bodies made...

Страница 5: ...lve body key 1 each hole engages one corresponding line flange stud Insert the valve between the flanges and use either the retainer clips or install two or more line flange studs into the line flanges to help hold the valve in position while centering the valve Carefully center the valve on the flanges to ensure disk clearance D Select and install two pipeline gaskets Note Lubricate line flange s...

Страница 6: ...Bolts Size Dia Thread mm B Dimen sion mm 50 80 16 M16X2 85 16 M16X2 85 16 M16X2 90 16 M16X2 90 100 16 M16X2 90 16 M16X2 90 16 M20X2 5 100 16 M20X2 5 100 150 16 M20X2 5 110 16 M20X2 5 110 200 16 M20X2 5 110 24 M20X2 5 110 24 M24X3 120 250 24 M20X2 5 120 24 M24X3 120 24 M27X3 130 300 24 M20X2 5 120 24 M24X3 130 24 M27X3 140 24 M30X3 5 150 VALVE SIZE WAFER STYLE AND LUGGED STYLE WITH THROUGH DRILLED ...

Страница 7: ...f inspection and replacement depends upon the severity of service conditions Instructions are given in this section for replacing trim components changing disk rotation or valve action and mounting and adjusting the actuator As used in these instructions actuator refers to power actuators such as pneumatic diaphragm piston actuators and rack and pinion actuators WARNING Avoid personal injury and p...

Страница 8: ... CAUTION Tighten the packing flange only enough to prevent shaft leakage Excessive tightening will only accelerate wear of the packing and could produce higher torques on the valve Leakage around the packing followers can be stopped by tightening the packing flange nuts key 28 figure 10 If the packing is relatively new and tight on the shaft and if tightening the packing flange nuts does not stop ...

Страница 9: ...s should not require re tightening However when servicing if the springs do not remain at the target load of 85 compression retighten the packing box nuts according to the following procedure 1 Tighten the packing flange nuts alternately and evenly keeping the packing flange parallel with the valve flange see figure 4 until the Belleville springs are compressed 100 or completely flat D For PTFE pa...

Страница 10: ... actuator Use lock out procedures to be sure the above measures stay in effect while you work on the equipment CAUTION When removing the actuator in the following step use a wheel puller to separate the actuator parts from the valve shaft Do not drive the actuator parts off the valve shaft because this could damage valve trim components 2 Remove the actuator per instructions in separate actuator i...

Страница 11: ...d drain the process media from both sides of the valve If using a power actuator also shutoff all pressure lines to the power actuator release all pressure from the actuator Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment CAUTION When removing the actuator use a wheel puller to separate the actuator parts from the valve shaft Do not drive t...

Страница 12: ...line 2 Unscrew the flange bolts and remove the valve from the pipeline 3 Unscrew the machine screws key 14 remove the retainer clip key 13 and remove the seal retainer key 2 4 Remove the seal ring assembly key 4 5 The valve must be closed during seal ring installation to permit accurate centering of the seal To install the new seal ring assembly D For a soft seal if the spring key 5 was disassembl...

Страница 13: ... Remove the actuator per instructions in separate actuator instruction manuals then remove the cap screws and nuts keys 35 and 36 Remove the clamp key 130 figure 3 if the strap key 131 figure 3 is used 3 Remove the packing flange nuts and the packing flange key 26 if used and pull out the packing follower key 25 Disassembly 1 Remove the seal ring assembly according to steps 3 and 4 of the Replacin...

Страница 14: ...isk may fall from the valve body To avoid personal injury and disk damage support the disk to prevent it from falling as the shafts are being removed 6 For valves with a two piece split shaft pull the follower shaft key 11 out through the outboard end of the valve body If the follower shaft cannot be pulled free the end of the follower shaft is internally threaded see table 6 for screwing in a bol...

Страница 15: ...s 4 Reinstall the follower spring spring seat assembly keys 9 12 and 9 figure 8 inside the follower shaft or follower side of the drive shaft for valves with a one piece through shaft design 5 Install the spacer key 15 if used and the gasket blind flange and hex nuts keys 16 17 and 19 Ensure the blind flange is oriented so the serrations face the gasket and valve body Tighten the hex nuts key 19 p...

Страница 16: ...R EXPANSION PIN LOCATION 1 INSTALL THE PINS FROM THIS SIDE OF THE DISK 1 T STAMPED ON ACTUATOR END OF DISK DRIVE PINS OUT THIS DIRECTION INSTALL PINS THIS DIRECTION INSTALL PINS THIS DIRECTION W9403 W9497 Table 8 Recommended Actuator Mounting Bolt Torque VALVE SIZE TORQUE DN NPS NSm lbfSft 50 80 100 and 150 2 3 4 and 6 120 88 200 250 and 300 8 10 and 12 250 185 ...

Страница 17: ...7 Sectional of Typical Valve Body ACTUATOR END OF SHAFT POSITION INDICATION MARK INDI CATES APPROXIMATE DISK POSITION CCW DISK ROTATION TO OPEN X2 X1 Figure 8 Follower Spring Spring Seat Assembly FOLLOWER SPRING SEAT KEY 9 FOLLOWER SPRING KEY 12 FOLLOWER SPRING SEAT KEY 9 ...

Страница 18: ...tion D For actuators with an adjustable turnbuckle such as the Fisher 1051 1052 size 40 60 and 70 or 1061 actuator the turnbuckle must be adjusted so that the valve is closed when the diaphragm plate or piston is against the actuator travel stop 2 Adjust the actuator to bring the disk to the fully closed position at the end of the actuator stroke To determine the fully closed disk position measure...

Страница 19: ...H 4 VALVES AND 2 SPLINE TEETH FROM VALVE SHAFT INDEX MARK FOR NPS 6 THROUGH 12 VALVES CURVED ARROWS IN VALVE CLOSED COLUMN INDICATE ROTATION REQUIRED TO OPEN VALVE COUNTERCLOCKWISE WHEN VIEWED FROM ACTUATOR SIDE OF VALVE ARROWS IN MOUNTING POSITION COLUMNS INDICATE DIRECTION OF ACTUATOR ROD TRAVEL REQUIRED TO OPEN VALVE 6 PDTC PUSH DOWN TO CLOSE PDTO PUSH DOWN TO OPEN RIGHT HAND STYLE A PDTO STYLE...

Страница 20: ...5 9 19 1 1 2 5 8 3 4 RPACKXRT482 RPACKXRT492 RPACKXRT502 RPACKXRT422 RPACKXRT432 RPACKXRT442 25 4 31 8 38 1 1 1 1 4 1 1 2 RPACKXRT512 RPACKXRT522 RPACKXRT532 RPACKXRT452 RPACKXRT462 RPACKXRT472 Repair Kits for ENVIRO SEAL Packing Repair kits for ENVIRO SEAL PTFE packing include one packing set and two anti extrusion washers Repair kits for ENVIRO SEAL graphite packing include two packing rings and...

Страница 21: ...ower Shaft when used 12 Follower Spring 13 Retainer Clip 14 Machine Screw Flat Head Hex Socket Key Description 15 Spacer 16 Gasket 17 Blind Flange 18 Stud 19 Hex Nut 20 Drive Screw 21 Nameplate 22 Mfg Label 23 Packing Box Ring 24 Packing Set 24 Packing Ring 4 req d 24 Packing Set ENVIRO SEAL 25 Packing Follower 26 Packing Flange 27 Packing Stud 28 Packing Nut 29 Anti extrusion Ring ENVIRO SEAL use...

Страница 22: ...Instruction Manual D103298X012 Control Disk Valve June 2017 22 Figure 10 Fisher Control Disk Valve Assembly GE36633_D ...

Страница 23: ...n Manual D103298X012 Control Disk Valve June 2017 23 Figure 11 Fisher Control Disk Seal Assembly Detail GE36633_C_2 FLOW RING CONSTRUCTION ASSEMBLY SOFT SEAL CONSTRUCTION ASSEMBLY METAL SEAL CONSTRUCTION ASSEMBLY ...

Страница 24: ...able upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice E 2008 2017 Fisher Controls International LLC All rights reserved Fisher Control Disk and ENVIRO SEAL are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co Emerson Automation Solutions Emerson and the Emerso...

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