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Emerson Fisher EHD, Инструкция по эксплуатации

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Instruction Manual

D100394X012

EH (1-1/2x1 through 8x6)

July 2017

18

Table 9. Recommended Torque for Installing Seat Ring Retainer

VALVE

SIZE,

NPS

VALVE

BODY

RATING

TORQUE

For All Valves with

Gasketed Seat Ring

Construction Except

Those with

Cavitrol III Cage

For All Valves with

O‐Ring Seat Ring

Construction

(1)

 or for

Sour Gas Service

For Valve with 2‐Stage

Cavitrol III Cage and

Gasketed Seat Ring

Construction

For Valve with 3‐Stage

Cavitrol III Cage and

Gasketed Seat Ring

Construction

N

S

m

Lbf

S

Ft

N

S

m

Lbf

S

Ft

N

S

m

Lbf

S

Ft

N

S

m

Lbf

S

Ft

1, 1-1/2x1, 2x1

CL1500

509

375

68

50

339

250

‐ ‐ ‐

‐ ‐ ‐

CL2500

373

275

68

50

203

150

‐ ‐ ‐

‐ ‐ ‐

2, 3x2

CL1500

1187

875

136

100

881

650

678

500

CL2500

848

625

102

75

542

400

407

300

3, 4x3

CL1500

2203

1625

271

200

1491

1100

1356

1000

CL2500

1593

1175

203

150

949

700

678

500

4, 6x4

CL1500

3118

2300

373

275

2712

2000

2373

1750

CL2500

2373

1750

271

200

2373

1750

1695

1250

6, 8x6

CL1500

6780

5000

780

575

6101

4500

5423

4000

CL2500

5017

3700

576

425

4745

3500

4745

3500

1. Includes valves with Cavitrol III trim.

Table 10. Valve Stem Connection Torque and Drill Size for Pin Hole

VALVE SIZE,

NPS

VALVE STEM

DIAMETER

VALVE BODY

RATING

VALVE

VALVE STEM

CONNECTION TORQUE

(MINIMUM ‐ MAXIMUM)

DRILL SIZE

FOR PIN

mm

Inches

N

S

m

Lbf

S

Ft

Inches

1, 1-1/2x1, 2x1

12.7

1/2

CL1500, CL2500

EHS

81 ‐ 115

60 ‐ 85

1/8

19.1

3/4

CL1500

EHS

237 - 339

175 - 250

3/16

2, 3x2

12.7

1/2

CL1500, CL2500

EHD, EHS, EHT

81 ‐ 115

60 ‐ 85

1/8

19.1

3/4

CL1500, CL2500

EHS

237 ‐ 339

175 ‐ 250

3/16

EHD, EHT

237 ‐ 339

175 ‐ 250

1/8

25.4

1

CL1500, CL2500

EHS

420 ‐ 481

310 ‐ 355

1/4

3, 4x3

12.7

1/2

CL1500, CL2500

EHD, EHS, EHT

81 ‐ 115

60 ‐ 85

1/8

19.1

3/4

CL1500, CL2500

EHD, EHS, EHT

237 ‐ 339

175 ‐ 250

3/16

25.4

1

CL1500, CL2500

EHS

420 ‐ 481

310 ‐ 355

1/4

CL1500

EHD, EHT

420 - 481

310 - 355

1/4

CL2500

EHD, EHT

420 ‐ 481

310 ‐ 355

3/16

4, 6x4

19.1

3/4

CL1500, CL2500

EHD, EHS, EHT

237 ‐ 339

175 ‐ 250

3/16

25.4

1

CL1500, CL2500

EHD, EHS, EHT

420 ‐ 481

310 ‐ 355

1/4

6, 8x6

19.1

3/4

CL1500, CL2500

EHD, EHS, EHT

237 ‐ 339

175 ‐ 250

3/16

25.4

1

CL1500, CL2500

EHD, EHS, EHT

420 ‐ 481

310 ‐ 355

1/4

31.8

1‐1/4

CL1500, CL2500

EHD, EHS, EHT

827 ‐ 908

610 ‐ 670

1/4

50.8

2

CL1500, CL2500

EHD, EHT

Contact factory for

torque values and

installation procedure

3/8

Table 11. Seat Ring and Seat Ring Retainer Lubricants

VALVE BODY

MATERIAL

SEAT RING
MATERIAL

LUBRICANT

WCC, WC9, C5, or LCC steel

S41600 (416 stainless steel)

Lithium grease, dry film lubricant, or anti‐seize lubricant

R30006 (Alloy 6)

Anti‐seize lubricant

CF8M (316 stainless steel)

R30006

Dry film lubricant or anti‐seize lubricant

1.  For gasketed seat ring constructions, install the seat ring gasket (key 12) into the valve body. For O‐ring seat ring

constructions, install the O‐ring (key 12) into the groove on the underside of the seat ring (key 6). Install the seat
ring (key 6). Screw in the seat ring retainer (key 7). Use the seat ring retainer tool (figure 9) to tighten the seat ring
retainer as follows:

a.  Insert the tool into the valve body. Be certain the tool lugs are engaged in the corresponding recesses in the

retainer.

Содержание Fisher EHD

Страница 1: ...f Manual This instruction manual includes installation maintenance and parts information for the Fisher EHD EHS and EHT control valves in NPS 1 1 2 x 1 through NPS 8x6 Refer to separate manuals for instructions covering the actuator positioner ENVIRO SEAL packing HIGH SEAL packing and accessories Do not install operate or maintain EHD EHS or EHT valves without being fully trained and qualified in ...

Страница 2: ...erature limits in this manual and any applicable standard limitations should not be exceeded 2 Modified equal percentage characteristic is equal percentage for the first 90 of travel then quick opening for additional capacity Table 2 Shutoff Classifications per ANSI FCI 70 2 and IEC 60534 4 Valve Valve Size NPS ANSI FCI Leakage Class EHD 3x2 II 3 4x3 4 6x4 II Standard III Optional 1 6 8x6 III Stan...

Страница 3: ... Whisper III A1 B3 C3 V for port diameters from 2 875 through 7 inch with optional C seal trim Linear Cavitrol III 2 stage 6 8x6 4 375 Equal Percentage Modified Equal Percentage Linear std cage Linear Whisper III A1 B3 C3 D3 6 8x6 4 375 Linear Cavitrol III 2 and 3 stage Table 4 TSO Tight Shutoff Leakage Class per ANSI FCI 70 2 and IEC 60534 4 Leakage Class Maximum Leakage Test Medium Test Pressure...

Страница 4: ...bilities especially due to differences in thermal expansion rates do not apply any other conditions to the valve without first contacting your Emerson sales office or Local Business Partner CAUTION If hoisting the valve use a nylon sling to protect the painted surfaces Carefully position the sling to prevent damage to the tubing or any accessories Use adequately sized hoists and chains or slings t...

Страница 5: ...f post weld heat treating is needed remove all trim parts to avoid any damage to internal elastomeric plastic and metal parts Contact your Emerson sales office or Local Business Partner for additional information 5 Install a three valve bypass around the valve if continuous operation is required during maintenance 6 If the actuator and valve body are shipped separately refer to the actuator mounti...

Страница 6: ...any actuator spring precompression D Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment D The valve packing box may contain process fluids that are pressurized even when the valve has been removed from the pipeline Process fluids may spray out under pressure when removing the packing hardware or packing rings or when loosening the packing box ...

Страница 7: ...igure 4 tighten the packing flange nuts key 5 figure 16 until the shoulder on the packing follower key 13 figure 16 contacts the bonnet key 1 figure 16 If leakage continues replace the packing by following the numbered steps presented in the Replacing Packing procedure CAUTION When tightening packing flange nuts do not exceed the maximum recommended torque in table 7 or excessive friction may resu...

Страница 8: ...0 1058 800 780 590 6 8x6 CL1500 1383 1044 1020 770 CL2500 2807 2102 2070 1550 1 For other materials contact your Emerson sales office or Local Business Partner for torques CAUTION When lifting the bonnet key 1 be sure that the valve plug and stem assembly keys 3 and 4 figure 18 19 or 20 remains on the seat ring key 6 figure 18 19 or 20 This avoids damage to the seating surfaces as a result of the ...

Страница 9: ... 39B4153 A A6297 1 Typical HIGH SEAL ULF Packing System Typical ENVIRO SEAL Packing System with PTFE Packing Typical ENVIRO SEAL Packing System with Graphite ULF Packing Typical ENVIRO SEAL Packing System with Duplex Packing 200 212 201 215 216 207 209 211 217 207 207 207 214 213 A6722 39B4612 A ...

Страница 10: ...V RING DOUBLE PACKING GRAPHITE RIBBON AND FILAMENT DOUBLE PACKING PTFE COMPOSITION DOUBLE PACKING 12A7839 A Sht 1 14A3414 C 12A8163 A NOTES 0 102 mm 0 004 INCH THICK SACRIFICIAL ZINC WASHERS USE ONLY ONE BELOW EACH GRAPHITE RIBBON RING HAS THE APPEARANCE OF A WOVEN OR BRAIDED RING INCLUDED IN KEY 6 PACKING SET 1 2 3 C0637 1 CAUTION All residual gasket material must be removed from the cage gasket ...

Страница 11: ...dy bolting practices and the torque values shown in table 8 may result in cage crushing cage diameter reduction and or bonnet deformation Cheater bars or slug wrenches should not be used for this procedure Hot torquing is not recommended Note Stud s and nut s should be installed such that the manufacturer s trademark and material grade marking is visible allowing easy comparison to the materials s...

Страница 12: ...onnet also install the baffle and retaining rings keys 2 and 35 14 Slide the packing follower wiper and packing flange into position Lubricate the packing flange studs key 4 and the faces of the packing flange nuts key 5 Replace the packing flange nuts For spring loaded PTFE V ring packing tighten the packing flange nuts until the shoulder on the packing follower key 13 contacts the bonnet For oth...

Страница 13: ...shown in table 9 Connect the torque wrench to an extension if necessary The tool or extension must snugly fit the square hole in the seat ring retainer tool Refer to figure 9 for square hole sizes c Insert the tool or extension into the square hole in the seat ring retainer tool d Use the bonnet studs key 13 to prevent a power torque wrench from rotating CAUTION Hold the torque wrench or driver at...

Страница 14: ...t INNER PLUG OUTER PLUG CAGE SEAT RING PROTECTED SOFT SEAT A7088 Figure 7 Typical Balanced TSO Trim VALVE PLUG SEAL PROTECTED SOFT SEAT A7096 Valve Plug Maintenance Key numbers used in this procedure are shown in figure 18 for the EHD valve in figure 19 for the EHS valve and in figure 20 for the EHT valve ...

Страница 15: ...surfaces complete the Lapping Seats procedure before installing the EHD piston rings or the EHT seal ring The Trim Replacement procedure provides piston ring and seal ring installation instructions and valve reassembly instructions Lapping Seats Key numbers referenced in this procedure are shown in figure 18 for the EHD valve in figure 19 for the EHS valve and in figure 20 for the EHT valve unless...

Страница 16: ...s in the valve body with a good quality degreaser Also clean all cage gasket surfaces All residual gasket material must be removed from the cage gasket surfaces and in gasketed seat ring constructions from the serrated valve body and seat ring gasket surfaces If the serrations are scored or damaged during this process smooth them by hand sanding with 360 grit paper using long sweeping strokes Fail...

Страница 17: ...2 140 2 120 4 75 0 44 0 31 0 44 0 49 0 48 0 75 CL2500 50 8 31 8 34 1 46 4 45 9 111 3 11 2 7 9 11 2 12 4 12 2 19 1 2 00 1 25 1 34 1 827 1 807 4 38 0 44 0 31 0 44 0 49 0 48 0 75 3 x 2 CL1500 79 2 53 8 63 5 76 6 76 1 157 2 12 7 9 7 12 7 12 4 12 2 19 1 3 12 2 12 2 50 3 015 2 995 6 19 0 50 0 38 0 50 0 49 0 48 0 75 CL2500 69 9 50 8 53 0 67 1 66 5 150 9 12 7 9 7 12 7 12 4 12 2 19 1 2 75 2 00 2 12 2 640 2...

Страница 18: ...HS EHT 81 115 60 85 1 8 19 1 3 4 CL1500 CL2500 EHS 237 339 175 250 3 16 EHD EHT 237 339 175 250 1 8 25 4 1 CL1500 CL2500 EHS 420 481 310 355 1 4 3 4x3 12 7 1 2 CL1500 CL2500 EHD EHS EHT 81 115 60 85 1 8 19 1 3 4 CL1500 CL2500 EHD EHS EHT 237 339 175 250 3 16 25 4 1 CL1500 CL2500 EHS 420 481 310 355 1 4 CL1500 EHD EHT 420 481 310 355 1 4 CL2500 EHD EHT 420 481 310 355 3 16 4 6x4 19 1 3 4 CL1500 CL2...

Страница 19: ...ion of capacity 2 Proceed as appropriate For a valve with a Cavitrol III cage slide the O ring key 26 figure 21 over the seat ring key 6 and against the shoulder in the outer diameter of the seat ring Install the lower gasket key 11 between the valve body and cage key 2 and install the cage Be certain the lugs on the bottom of the cage engage the corresponding slots in the seat ring retainer For a...

Страница 20: ... the outer plug onto the inner plug and tighten with a strap wrench or similar tool until the alignment marks line up This will ensure that the plug parts are metal to metal and the seal is compressed properly Do not damage the outer plug guide surfaces 5 Install set screws centering the inner plug in the outer plug and torque to 11 NSm 8 lbfSft 6 Assemble the piston ring anti extrusion rings back...

Страница 21: ...e 17 with the concave side facing towards the valve body Replace the hex nuts but do not tighten them Torque the nuts in a crisscross pattern to no more than one fourth of the nominal torque value specified in table 8 When all nuts are tightened to that torque value increase the torque by one fourth of the specified nominal torque and repeat the crisscross pattern Repeat this procedure until all n...

Страница 22: ...to the plug until the installation tool contacts the horizontal reference surface of the valve plug figure 12 4 Apply a suitable high temperature lubricant to the threads on the plug Then place the C seal retainer onto the plug and tighten the retainer using an appropriate tool such as a strap wrench 5 Using an appropriate tool such as a center punch stake the threads on top of the plug in one pla...

Страница 23: ...55 166 776 167 030 4 978 5 029 3 708 3 759 55 88 170 536 170 637 172 974 173 482 194 920 195 072 24B9856X012 FOR VALVE PLUGS FITTING PORT SIZE Inches Dimensions Inches See Drawing Below Part Number To Order A Tool A B C D E F G H 2 875 3 25 2 060 2 070 0 196 0 198 0 146 0 148 1 62 2 074 2 078 2 170 2 190 2 791 2 797 24B9816X012 3 4375 4 00 2 310 2 320 0 196 0 198 0 146 0 148 2 00 2 402 2 406 2 498...

Страница 24: ...e is returned to service use appropriate methods and materials to protect all sealing surfaces of the trim parts during maintenance Use caution when removing piston ring s and C seal plug seal to avoid scratching any sealing surface CAUTION Do not remove the valve stem from the plug retainer assembly unless you are planning to replace the valve stem Never reuse an old valve stem with a new plug or...

Страница 25: ...iate tool such as a punch and place the tip of the tool into the hole with the body of the tool held tangent to the outside diameter of the retainer Strike the tool with a hammer to rotate the retainer and free it from the valve plug Remove the retainer from the plug 7 Use an appropriate tool such as a flat blade screwdriver to pry the C seal plug seal off the plug Use caution to avoid scratches o...

Страница 26: ... IS THE AREA OF CONTACT BETWEEN THE C seal METAL PLUG SEAL AND THE CAGE PLUG CAGE SEAT RING LOWER SEATING SURFACE A6780 1 C seal METAL PLUG SEAL RETAINER CAGE VALVE PLUG UPPER SEATING SURFACE 1 CAUTION If metal is removed from the seat ring and plug and a corresponding amount is not removed from the cage seating area the C seal plug seal will be crushed as the valve closes and the C seal retainer ...

Страница 27: ...lve plug by using the same force calculated for full load when sizing your actuator With no pressure drop through the valve this force will adequately drive the valve plug to the seat ring thus giving the C seal plug seal a predetermined permanent set Once this is done the plug retainer assembly the cage and the seat ring become a matched set 8 With full actuator force applied and the valve plug f...

Страница 28: ...PACKX00372 PTFE Composition Contains keys 7 8 11 and 12 RPACKX00082 RPACKX00092 Single Graphite Ribbon Filament Contains keys 7 ribbon ring 7 filament ring 8 and 11 RPACKX00112 RPACKX00122 Single Graphite Ribbon Filament Contains keys 7 ribbon ring 7 filament ring and 11 RPACKX00532 RPACKX00542 Single Graphite Ribbon Filament Contains keys 7 ribbon ring 7 filament ring RPACKX00142 RPACKX00152 Doub...

Страница 29: ...or use with extension bonnet only Valve Body figures 18 21 1 Valve Body order by valve size serial number and desired material 2 Cage 3 Valve Plug 4 Valve Plug Stem 5 Pin 6 Seat Ring 7 Seat Ring Retainer Key Description 8 Piston Ring or Seal Ring 9 Backup Ring 10 Retaining Ring 10 Retaining Ring for EHT valve body only 11 Cage Gasket 2 req d 12 Seat Ring O Ring or Gasket 13 Bonnet Stud 8 req d 14 ...

Страница 30: ...ING RING USED IN EXTENSION BONNET DETAIL OF 127 mm 5 INCH YOKE BOSS ACTUATOR BOLTING OPTIONAL FOR NPS 3 4 6 EH SERIES VALVE BODIES 18A8557 A 35A3976 A Figure 17 Belleville Washer Body to Bonnet Bolting GE60624 C SHOWN IN UNCOMPRESSED FREE POSITION BONNET BONNET SHOWN IN UNCOMPRESSED FREE POSITION NPS 1 1 2 THROUGH NPS 4 ALL ASME CLASSES NPS 6 ALL ASME CLASSES EXCEPT CL2500 NPS 6 CL2500 NPS 8 AND L...

Страница 31: ...TRUCTION EHD BODY WITH STANDARD TRIM DETAIL OF PLUG WITH DIVERTER CONE FOR NPS 6 BODY ONLY DETAIL OF WHISPER TRIM III CAGE FOR NPS 3 THROUGH 4 BODIES DETAIL OF LEVEL A B OR C WHISPER TRIM III CAGE AND VALVE PLUG WITH DIVERTER CONE FOR NPS 6 BODY ONLY DETAIL OF LEVEL D WHISPER TRIM III CAGE AND VALVE PLUG FOR NPS 6 BODY ONLY ALTERNATE CONFIGURATIONS REFERENCE STANDARD TRIM KEY NUMBERS EXCEPT AS SHO...

Страница 32: ... THOSE WITH A CAVITROL III CAGE VIEW A j APPLY LUB 56A5494 E GASKETED SEAT RING CONSTRUCTION O RING SEAT RING CONSTRUCTION EHS BODY WITH STANDARD TRIM DETAIL OF WHISPER TRIM III CAGE FOR NPS 2 THROUGH 6 BODIES ALTERNATE CONFIGURATIONS REFERENCE STANDARD TRIM KEY NUMBERS EXCEPT AS SHOWN 57A2891 B PARTS NOT SHOWN KEY 29 FLAT WASHER ...

Страница 33: ...OUGH 4 BODIES DETAIL OF LEVEL A B OR C WHISPER TRIM III CAGE AND VALVE PLUG WITH DIVERTER CONE FOR NPS 6 BODY ONLY DETAIL OF LEVEL D WHISPER TRIM III CAGE AND VALVE PLUG FOR NPS 6 BODY ONLY DETAIL OF VALVE PLUG WITH DIVERTER CONE FOR NPS 6 BODY ONLY ALTERNATE CONFIGURATIONS REFERENCE STANDARD TRIM KEY NUMBERS EXCEPT AS SHOWN 57A2889 A 59A9192 A 59A9194 A 59A9168 A VIEW A 57A2883 B DETAIL OF 3 STAG...

Страница 34: ...e 21 Typical Cavitrol III Constructions VIEW A 57A2883 B GASKETED SEAT RING CONSTRUCTION O RING SEAT RING CONSTRUCTION DETAIL OF EHT BODY WITH 3 STAGE CAVITROL III CAGE DETAIL OF EHS BODY WITH 2 STAGE CAVITROL III CAGE 57A2881 B O RING SEAL BETWEEN CAGE AND SEAT RING VIEW B ...

Страница 35: ...oated 29 to 593 20 to 1100 S31600 ENC NACE S20910 40 to 232 40 to 450 B EHS S42200 422 Stainless Steel Ion Nitride S31600 Chrome coated 427 to 566 800 to 1050 C EHD EHS S42200 Ion Nitride S31600 Chrome coated 427 to 510 800 to 950 D EHD EHS S31600 Chrome coated S31600 198 to 427 325 to 800 D EHD EHS S31600 Chrome coated 29 to 593 20 to 1100 S31600 ENC NACE S20910 40 to 232 40 to 450 D EHD EHS S422...

Страница 36: ...ch Maximum Travel 472 473 585C 585C MO 657 657 MO 1008 PDTC 585C MO Size 60 585C 585C MO 657 3025 ATC 685SE 685SR 585C 585C MO 685SE 685SR Group 403 90 5 mm 3 9 16 Inch Yoke Boss 101 6 mm 4 Inch Maximum Travel 585C Size 60 1008 Size 50 Recommended spare parts Emerson Automation Solutions Marshalltown Iowa 50158 USA Sorocaba 18087 Brazil Cernay 68700 France Dubai United Arab Emirates Singapore 1284...

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