Emerson Fisher 585C Series User manual

www.Fisher.com

Fisherr585C Series Piston Actuators

Contents

Introduction 1.................................

Scope of Manual 1.............................

Description 2.................................

Specifications 2...............................

Educational Services 2.........................

Principle of Operation 8.........................

Actuator with Handwheel 8.....................

Actuator with Spring Return 10..................

Installation 10.................................

Bypass Assembly 11...........................

Three-Way Valve Applications Note 11............

Actuator Mounting 11...........................

Size 25 & 50 Actuator Mounting 11...............

Size 60-130 Actuator Mounting 13...............

Stem Connector Assembly (Size 60-130) 13....

585C Handwheels 14...........................

Handwheel Operation (Sizes 25 & 50) 14..........

Handwheel Operation (Sizes 60-130) 14..........

Maintenance (Sizes 25 & 50) 15...................

Replacing Handwheel Housing O-Ring or

Thrust Bearings (Sizes 25 & 50) 16.............

Replacing Seals, Changing Action, or

Changing Bias Spring(s) (Sizes 25 & 50) 17......

Maintenance (Sizes 60-130) 20...................

Side-Mounted Handwheel Maintenance

(Sizes 60-130) 21...........................

Disassembly of Handwheel Constructions

(Sizes 60 and 68) 21.....................

Figure 1. Fisher 585C Series Piston Actuator

X0175-1

Disassembly of Handwheel Constructions

(Sizes 80-130) 22........................

Reassembly (Sizes 60-130) 22...............

Parts Ordering 22...............................

Parts Kits 23...................................

Parts List 24...................................

Sizes 25 & 50 24...............................

Sizes 60-130 33...............................

Introduction

Scope of Manual

This instruction manual provides information on installation, maintenance, and parts ordering for the Fisher 585C

piston actuators. Refer to separate instruction manuals for information about other equipment and accessories used

with these actuators.

Information for the 585CLS long stroke actuator can be found in the Fisher 585CLS instruction manual

(D103793X012).

Do not install, operate, or maintain a 585C Series actuator without being fully trained and qualified in valve, actuator,

and accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important

Instruction Manual

D102087X012

585C Actuator

October 2013

Instruction Manual

D102087X012

585C Actuator

October 2013

to carefully read, 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 Process Management sales office before

proceeding.

Description

585C pneumatic piston actuators ( figure 1) provide accurate throttling or on-off control of sliding-stem valves. The

585C actuator uses a double-acting cylinder, which requires air pressure for operation.

Size 25 and 50 actuators are available as a springless construction or with a bias spring. Depending on configuration,

the bias spring will retract or extend the piston rod upon loss of cylinder air pressure. Size 60 through 130 actuators are

available as springless constructions only.

585C actuators are typically supplied with a DVC6200 digital valve controller, or a 3600 P/P or I/P analog positioner.

The 585C actuator is available with a top-mounted or side-mounted manual handwheel, depending on actuator size.

Specifications

Specifications for the 585C piston actuators are given in table 1. Some individual actuators come from the factory with

specifications stamped on a nameplate attached to the yoke.

Educational Services

For information on available courses for Fisher 585C Seriespistonactuators,aswellasavarietyofotherproducts,

contact:

Emerson Process Management

Educational Services, Registration

P.O. Box 190; 301 S. 1st Ave.

Marshalltown, IA 50158-2823

Phone: 800-338-8158 or

Phone: 641-754-3771

FAX: 641-754-3431

e-mail: education@emerson.com

Instruction Manual

D102087X012

585C Actuator

October 2013

Table 1. 585C Specifications (sizes 25-130)

Operating Pressure(1)

Sizes 25-50

Maximum Allowable: 10.3 bar (150 psig)

Minimum Recommended: 1.4 bar (20 psig)

Sizes 60-130

Maximum Allowable: See table 8

Minimum Recommended: 2.4 bar (35 psig)

Travel

See table 2

Thrust Capabilities

See tables 4 through 8

Stroking Speeds

Varies with actuator size, actuator spring, travel, and

supply pressure. If stroking speed is critical, consult

your Emerson Process Management sales office

Piston Area

See table 2

Cylinder Volumetric Displacement

See table 2

Operative Temperature Limits(1)

For All Sizes

With Nitrile O-Rings: -40 to 80_C (-40 to 175_F),

standard

With Fluorocarbon O-Rings: -18 to 149_C

(0 to 300_F), optional

Yoke Boss and Valve Stem Diameters

See table 3

Pressure Connections

Size 25-60

J1/4 NPT internal (standard), or J3/8 NPT internal

(optional)

Sizes 68-130

J1/2 NPT internal (standard)

Instrument Mounting

Universal NAMUR mounting

Construction Materials

Part Material

Yoke Ductile Iron

Piston Aluminum

Cylinder Aluminum

Bolting and Fasteners NCF (non-corroding finish)

Springs

(sizes 25 & 50 only) Alloy Steel

O-Rings Nitrile (std), Fluorocarbon

Actuator Stem Chrome-plated Steel

Stem Connection Stainless Steel

Travel Indicator Scale Stainless Steel

Paint Polyester Powder

Cylinder Seal Bushings

(sizes 60-130 only) Brass

Stem Connector

(sizes 60-130) Zinc-plated steel

Approximate Weights (less positioner and

handwheel)

Size 25

2-1/8 inch yoke boss, 7 kg (16 pounds)

2-13/16 inch yoke boss, 8 kg (17 pounds)

Size 50

2-13/16 inch yoke boss, 20 kg (45 pounds)

3-9/16 inch yoke boss, 22 kg (48 pounds)

Size 60: 31 kg (68 pounds)

Size 68: 54 kg (120 pounds)

Size 80: 102 kg (225 pounds)

Size 100: 113 kg (250 pounds)

Size 130: 188 kg (415 pounds)

Options

Sizes 25 and 50

JTop-mounted handwheel, see figures 5, 7, and 8

and table 9

JCylinder bypass valve JLimit switches JFisher

4200 position transmitter

Sizes 60-130

JIntegral side-mounted handwheel, (figure 9)

Sizes 25-130

JFIELDVUEtmounting options

JFisher 377 trip valve system to fail actuator

Jup or Jdown or Jlock in last position

JTopWorxtDXP M21GNEB electrical valve stem

position switch

JMicro-Switch limit switches

1. The pressure/temperature limits in this manual and any applicable standard or code limitation for valve should not be exceeded.

Instruction Manual

D102087X012

585C Actuator

October 2013

Table 2. Fisher 585C Piston Cylinder Clearance Volumes

PISTON AT TOP OF CYLINDER (SPRINGS BELOW PISTON FOR SIZE 25 AND 50)

Actuator

Size

Piston Area MaximumActuatorTravel Upper Clearance Volume Volume Below Piston

cm2Inches2cm Inches cm3Inches3cm3Inches3

25 168 26 2.9 1.125 104 6.3 1750 107

50 303 47 5.1 2330 20 5200 320

60 358 55.5

5.1 2310 19 2700 163

10 4310 19 4400 270

20 8310 19 8200 500

68 571 88.5

5.1 21230 75 7500 460

10.2 41230 75 7500 460

20.3 81230 75 13300 810

80 571 88.5 10.2 41230 75 7500 460

20.3 81230 75 13300 810

100 842 130.5 10.2 41700 104 10700 650

20.3 81700 104 19200 1170

130 1430 221.5 10.2 44600 280 18500 1130

20.3 84600 280 33000 2000

PISTON AT BOTTOM OF CYLINDER (SPRINGS ABOVE PISTON FOR SIZE 25 AND 50)

Actuator

Size

Piston Area MaximumActuatorTravel Lower Clearance Volume Volume Above Piston

cm2Inches2cm Inches cm3Inches3cm3Inches3

25 168 26 2.9 1.125 77 4.7 1790 109

50 303 47 5.1 2350 22 5200 320

Table3.YokeBossandValveStemDiameters

ACTUATOR SIZE YOKE BOSS DIAMETER VALVE STEM DIAMETER

mm Inches mm Inches

25 54

2-1/8

2-13/16

9.5

12.7

3/8

1/2

50 71

2-13/16

3-9/16

12.7

19.1

1/2

3/4

60 90 3-9/16 19.1 3/4

68 90 3-9/16 19.1 3/4

80 127 5, 5H 25.4

31.8

1-1/4

100 127 5, 5H 25.4

31.8

1-1/4

130 127 5, 5H 25.4

31.8

1-1/4

1. Heavy actuator to bonnet bolting.

Instruction Manual

D102087X012

585C Actuator

October 2013

Actuator Thrust Capabilities

Table 4. Fisher 585C Size 25 and 50 Actuator Thrust Capabilities, U.S. Units (spring retracts actuator stem)

ACTU-

ATOR

SIZE

SPRING

RATE,

lb/in

ACTUATOR

STEM

TRAVEL,

INCHES

SPRING

THRUST W/

ACTUATOR

STEM

RETRACTED,

POUNDS

SPRING

THRUST W/

ACTUATOR

STEM

EXTENDED,

POUNDS

NET THRUST FOR 585C WITH ACTUATOR STEM FULLY

EXTENDED AT FULL TRAVEL SPRINGS

USED,

COLOR

Operating Pressure, psig

40 50 60 70 80 90 100 110 125 150

Force, Pounds

0All 0 0 1040 1300 1560 1820 2080 2340 2600 2860 3250 3900 Springs

Not Used

200

0.5625

0.75

0.875

1.125

200

313

350

375

425

730

690

660

610

990

950

920

870

1250

1210

1180

1130

1510

1470

1440

1390

1760

1730

1700

1650

2020

1990

1960

1910

2280

2250

2220

2170

2540

2510

2480

2430

2930

2900

2870

2820

3580

3550

3520

3470

Gold

400

0.5625

0.75

0.875

1.125

400

625

700

750

850

410

340

290

190

670

600

550

450

930

860

810

710

1190

1120

1070

970

1450

1380

1330

1230

1710

1640

1590

1490

1970

1900

1850

1750

2230

2160

2110

2010

2620

2550

2500

2400

3270

3200

3150

3050

Light

Green

500

0.5625

0.75

0.875

1.125

500

781

875

938

1063

260

160

100

520

420

360

240

780

680

620

500

1040

940

880

760

1300

1200

1140

1010

1560

1460

1400

1270

1820

1720

1660

1530

2080

1980

1920

1790

2460

2370

2310

2180

3110

3020

2960

2830

White

700

0.5625

0.75

0.875

1.125

700

1094

1225

1313

1488

200

460

330

250

720

590

510

330

980

850

760

590

1240

1110

1020

850

1500

1370

1280

1110

1760

1630

1540

1370

2150

2020

1930

1760

2800

2670

2580

2410

Gold &

White

900

0.5625

0.75

0.875

1.125

900

1406

1575

1688

1913

150

410

240

130

670

500

390

160

930

760

650

420

1190

1020

910

680

1450

1280

1170

940

1840

1670

1560

1330

2490

2320

2210

1980

Light

Green

&White

0All 0 0 1840 2300 2760 3220 3680 4140 4600 5060 5750 6900 Springs

Not Used

330

0.75

0.875

1.125

1.5

330

578

619

701

825

990

1310

1270

1180

1060

900

1780

1740

1660

1530

1370

2250

2210

2130

2000

1840

2720

2680

2600

2470

2310

3190

3150

3070

2950

2780

3660

3620

3540

3420

3250

4140

4090

4010

3890

3720

4610

4570

4480

4360

4190

5310

5270

5190

5070

4900

6490

6450

6370

6250

6080

Pink

600

0.75

0.875

1.125

1.5

600

1050

1125

1275

1500

1800

840

760

610

390

1310

1230

1080

860

560

1780

1700

1550

1330

1030

2250

2170

2020

1800

1500

2720

2650

2500

2270

1970

3190

3120

2970

2740

2440

3660

3590

3440

3210

2910

4130

4060

3910

3680

3380

4840

4770

4620

4390

4090

6020

5950

5800

5570

5270

Light

Blue

930

0.75

0.875

1.125

1.5

930

1628

1744

1976

2325

2790

260

140

730

610

380

1200

1080

850

500

1670

1560

1320

970

510

2140

2030

1790

1450

980

2610

2500

2270

1920

1450

3090

2970

2740

2390

1920

3560

3440

3210

2860

2390

4260

4150

3910

3570

3100

5440

5330

5090

4750

4280

Pink &

Light

Blue

1550

0.75

0.875

1.125

1.5

1550

2710

2906

3294

3875

4650

110

580

385

1050

855

465

1520

1325

935

355

1990

1795

1405

825

2460

2265

1875

1295

520

3165

2970

2580

2000

1225

4345

4150

3760

3180

2405

Green

1880

0.75

0.875

1.125

1.5

1880

3290

3525

3995

4700

5640

470

235

940

705

235

1410

1175

705

1880

1645

1175

470

2585

2350

1880

1175

235

3765

3530

3060

2355

1415

Pink &

Green

X–Indicates where the listed supply pressure is not sufficient to overcome the opposing bias spring effect.

Instruction Manual

D102087X012

585C Actuator

October 2013

Table 5. Fisher 585C Size 25 and 50 Actuator Thrust Capabilities, Metric Units (spring retracts actuator stem)

ACTU-

ATOR

SIZE

SPRING

RATE,

N/mm

ACTU-

ATOR

STEM

TRAVEL,

SPRING

THRUST W/

ACTUATOR

STEM

RETRACTED,

SPRING

THRUST W/

ACTUATOR

STEM

EXTENDED,

NET THRUST FOR 585C WITH ACTUATOR STEM FULLY

EXTENDED AT FULL TRAVEL SPRINGS

USED,

COLOR

Operating Pressure, bar

2.8 3.4 4.1 4.8 5.5 6.2 6.9 7.6 8.6 10.3

Force, N

0All 0 0 4626 5783 6939 8096 9252 10,409 11,565 12,722 14,457 17,348

Springs

Not

Used

35.0

14.3

19.1

22.2

28.6

890

1393

1558

1669

1891

3247

3069

2936

2713

4404

4226

4092

3870

5560

5382

5249

5026

6717

6539

6405

6183

7829

7695

7562

7340

8985

8852

8718

8496

10,142

10,008

9875

9653

11,298

11,165

11,032

10,809

13,033

12,900

12,766

12,544

15,925

15,791

15,658

15,435

Gold

70.1

14.3

19.1

22.2

28.6

1780

2781

3115

3338

3783

1824

1512

1290

845

2980

2669

2447

2002

4137

3825

3603

3158

5293

4982

4760

4315

6450

6139

5916

5471

7606

7295

7073

6628

8763

8452

8229

7784

9919

9608

9386

8941

11,654

11,343

11,121

10,676

14,546

14,234

14,012

13,567

Light

Green

87.6

14.3

19.1

22.2

28.6

2225

3475

3894

4174

4730

1156

712

445

2313

1868

1601

1068

3470

3025

2758

2224

4626

4181

3914

3381

5783

5338

5071

4493

6939

6494

6227

5649

8096

7651

7384

6806

9252

8807

8541

7962

10,943

10,542

10,275

9697

13,834

13,434

13,167

12,588

White

122.6

14.3

19.1

22.2

28.6

3115

4868

5451

5843

6622

890

311

2046

1468

1112

311

3203

2624

2269

1468

4359

3781

3381

2624

5516

4938

4537

3781

6672

6094

5694

4938

7829

7251

6850

6094

9564

8985

8585

7829

12,455

11,877

11,476

10,720

Gold &

White

157.7

14.3

19.1

22.2

28.6

4005

6257

7009

7512

8513

667

1824

1068

578

2980

2224

1735

712

4137

3381

2891

1868

5293

4537

4048

3025

6450

5694

5204

4181

8185

7428

6939

5916

11,076

10,320

9831

8807

Light

Green &

White

0All 0 0 8180 10,200 12,300 14,300 16,400 18,400 20,500 22,500 25,600 30,700

Springs

Not

Used

57.8

19.1

22.2

28.6

38.1

50.8

1468

2571

2753

3118

3670

4404

5827

5649

5249

4715

4003

7918

7740

7384

6806

6094

10,008

9831

9475

8896

8185

12,099

11,921

11,565

10,987

10,275

14,190

14,012

13,656

13,122

12,366

16,280

16,102

15,747

15,213

14,457

18,416

18,193

17,837

17,303

16,547

20,506

20,328

19,928

19,394

18,638

23,620

23,442

23,086

22,552

21,796

28,869

28,691

28,335

27,801

27,045

Pink

105.1

19.1

22.2

28.6

38.1

50.8

2669

4671

5004

5671

6672

8007

3736

3381

2713

1735

400

5827

5471

4804

3825

2491

7918

7562

6895

5916

4582

10,008

9653

8985

8007

6672

12,099

11,788

11,121

10,097

8763

14,190

13,878

13,211

12,188

10,854

16,280

15,969

15,302

14,279

12,944

18,371

18,060

17,392

16,369

15,035

21,529

21,218

20,551

19,528

18,193

26,778

26,467

25,800

24,777

23,442

Light

Blue

162.9

19.1

22.2

28.6

38.1

50.8

4137

7242

7758

8790

10,342

12,410

1157

623

3247

2713

1690

133

5338

4804

3781

2224

178

7428

6939

5872

4315

2269

9519

9030

7962

6450

4359

11,610

11,121

10,097

8541

6450

13,745

13,211

12,188

10,631

8541

15,836

15,302

14,279

12,722

10,631

18,949

18,460

17,392

15,880

13,789

24,198

23,709

22,641

21,129

19,038

Pink &

Light

Blue

271.4

19.1

22.2

28.6

38.1

50.8

6894

12054

12925

14652

17236

20683

489

2580

1712

4670

3803

2068

6761

5894

4159

1579

8852

7984

6249

3670

222

10942

10075

8340

5760

2313

14078

13211

11476

8896

5449

19,328

18,460

16,725

14,145

10,698

Green

329.2

19.1

22.2

28.6

38.1

50.8

8362

14634

15679

17770

20906

25087

2091

1045

4181

3136

1045

6272

5226

3136

8362

7317

5226

2091

11498

10453

8362

5226

1045

16,748

15,702

13,612

10,476

6294

Pink &

Green

X–Indicates where the listed supply pressure is not sufficient to overcome the opposing bias spring effect.

Instruction Manual

D102087X012

585C Actuator

October 2013

Table 6. Fisher 585CR Size 25 and 50 Actuator Thrust Capabilities, U.S. Units (spring extends actuator stem)

ACTUATOR

SIZE

SPRING

RATE,

lb/in

SPRING

THRUST W/

ACTUATOR

STEM

EXTENDED,

POUNDS

TOTAL THRUST FOR 585CR WITH ACTUATOR STEM FULLY

EXTENDED

SPRINGS USED, BY COLOR

Operating Pressure, psig(1)

40 50 60 70 80 90 100 110 125 150

Force, Pounds

25(2)

0 0 1040 1300 1560 1820 2080 2340 2600 2860 3250 3900 Springs Not Used

200 200 1240 1500 1760 2020 2280 2540 2800 3060 3450 XGold

400 400 1440 1700 1960 2220 2480 2740 3000 3260 3650 XLight Green

500 500 1540 1800 2060 2320 2580 2840 3100 3360 3750 XWhite

700 700 1740 2000 2260 2520 2780 3040 3300 3560 X X Gold & White

900 900 1940 2200 2460 2720 2980 3240 3500 3760 X X Light Green & White

50(3)

0 0 1840 2300 2760 3220 3680 4140 4600 5060 5750 6900 Springs Not Used

330 330 2210 2680 3150 3620 4090 4560 5030 5500 6205 XPink

600 600 2480 2950 3420 3890 4360 4830 5300 5770 6475 XLight Blue

930 930 2810 3280 3750 4220 4690 5160 5630 6100 6805 XPink & Light Blue

1550 1550 3430 3900 4370 4840 5310 5780 6250 6720 X X Green

1880 1880 3760 4230 4700 5170 5640 6110 6580 7050 X X Pink & Green

X–Indicates where the listed supply pressure is not sufficient to overcome the opposing bias spring effect.

1. The maximum design pressure for size 25 and 50 actuator is 150 psig.

2. Maximum thrust is 3900 lbs.

3. Maximum thrust is 6900 lbs.

Table 7. Fisher 585CR Size 25 and 50 Actuator Thrust Capabilities, Metric Units (spring extends actuator stem)

ACTUATOR

SIZE

SPRING

RATE,

N/mm

SPRING

THRUST W/

ACTUATOR

STEM

EXTENDED,

TOTAL THRUST FOR 585CR WITH ACTUATOR STEM FULLY

EXTENDED

SPRINGS USED, BY

COLOR

Operating Pressure, bar(1)

2.8 3.4 4.1 4.8 5.5 6.2 6.9 7.6 8.6 10.3

Force, N

25(2)

0 0 4626 5782 6939 8095 9251 10408 11565 12721 14456 17347 Springs Not Used

35.0 890 5516 6672 7828 8985 10141 11298 12454 13610 15346 XGold

70.0 1780 6405 7562 8718 9874 11031 12188 13344 14500 16235 XLight Green

87.6 2225 6850 8006 9163 10319 11476 12632 13789 14945 16680 XWhite

122.6 3115 7740 8896 10052 11209 12365 13655 14678 15835 X X Gold & White

157.6 4005 8629 9786 10942 12099 13255 14412 15568 16724 X X Light Green & White

50(3)

0 0 8180 10200 12300 14300 16400 18400 20500 22500 25600 30700 Springs Not Used

57.8 1468 9830 11921 14011 16102 18192 20282 22373 24464 27600 XPink

105.1 2670 11031 13122 15212 17303 19393 21484 23574 25665 28800 XLight Blue

162.8 4135 12499 14589 16680 18770 20861 22952 25042 27133 30269 XPink & Light Blue

271.4 6894 15256 17347 19438 21528 23619 25709 27800 29891 X X Green

329.2 8362 16724 18815 20906 22996 25087 27177 29268 31358 X X Pink & Green

X–Indicates where the listed supply pressure is not sufficient to overcome the opposing bias spring effect.

1. The maximum design pressure for size 25 and 50 actuator is 10.3 bar.

2. Maximum thrust is 17347 N.

3. Maximum thrust is 31358 N.

Instruction Manual

D102087X012

585C Actuator

October 2013

Table 8. Fisher 585C Thrust (springless construction)

ACTUATOR

SIZE

PISTON

AREA

TOTAL THRUST FOR 585C(1)

MAXIMUM ALLOWABLE

THRUST

Operating Pressure, bar(3)

2.8 3.4 4.1 4.8 5.5 6.2 6.9 7.6 8.6 10.3

cm2Force, Newtons(2) Newtons

25 168 4630 5780 6940 8100 9260 10400 11600 12700 14500 17300 17300

50 303 8180 10200 12300 14300 16400 18400 20500 22500 25600 30700 31400

60 358 9880 12300 14800 17300 19800 22200 24700 27200 30900 36900 36900

68 571 15700 19700 23600 27600 31500 35400 39400 43300 49200 55600 55600(4)

80 571 15700 19700 23600 27600 31500 35400 39400 43300 49200 58700 58700

100 842 23200 29000 34800 40600 46400 52200 58000 63900 72600 86700 86700

130 1430 39400 49300 59100 69000 78700 88500 98800 108100 X X 111200

ACTUATOR

SIZE

PISTON

AREA

Operating Pressure, psig(3) MAXIMUM ALLOWABLE

THRUST

40 50 60 70 80 90 100 110 125 150

Inches2Force, Pounds(2) Pounds

25 26 1040 1300 1560 1820 2080 2340 2600 2860 3250 3900 3900

50 47 1840 2300 2760 3220 3680 4140 4600 5060 5750 6900 7050

60 55.5 2220 2780 3330 3890 4440 5000 5550 6110 6940 8300 8300

68 88.5 3540 4430 5310 6200 7080 7970 8850 9740 11100 12500 12500(4)

80 88.5 3540 4430 5310 6200 7080 7970 8850 9740 11100 13200 13200

100 130.5 5220 6530 7830 9140 10440 11700 13100 14400 16300 19500 19500

130 221.5 8860 11100 13300 15500 17700 19900 22200 24300 X X 25000

X–Indicates where the listed supply pressure will exceed the maximum thrust allowable.

1. The maximum design pressure for size 25 through 100 actuators is 10.3 bar (150 psig). The size 68 and 130 actuators are limited to 9.7 and 7.8 bar (140 and 113 psig) respectively.

2. The size 25 and 50 data is for the construction without a bias spring.

3. Minimum operating pressure for sizes 60-130 actuators is 2.4 bar (35 psig).

4. The size 68 actuator with a handwheel is limited to 40000 Newtons (9000 lb) thrust.

Principle of Operation

The585Cpistonactuator(figures2and3)usesapistonthatmovesinsidetheactuatorcylinder.AnO-ring(seefigure

3) provides a seal between the piston and the cylinder.

From an equilibrium state, the actuator reacts to a force unbalance that is created by increasing supply pressure on

onesideofthepiston,anddecreasingitontheother.Thismoves the piston up or down, and results in a repositioning

of the valve plug.

Actuator with Handwheel (figures 2 and 5)

The handwheel version can be used to open or close the valve manually (either during normal operation or in an

emergency), to position the valve at any point in the stroke, or to act as a travel stop.

Size 25 and 50 actuators use an integral top-mounted handwheel. See figure 5.

Size 60 to 130 actuators use a side-mounted handwheel, and come with a spring-loaded ball detent which prevents

vibration from changing the handwheel setting. Handwheels for most types are either 203 mm (8 inches) in diameter

with beveled gears or 432 mm (17 inches) in diameter with worm gears.

Instruction Manual

D102087X012

585C Actuator

October 2013

Handwheel Specifications

Table 9. Fisher 585C Handwheel Specifications

ACTUATOR SIZE HANDWHEEL

MOUNTING

HANDWHEEL

DIAMETER TURNS PER mm

TRAVEL

MAXIMUM RIM

FORCE REQUIRED

HANDWHEEL

OUTPUT FORCE

HANDWHEEL

WEIGHT

mm Newtons Newtons kg

25 Top-Mounted 356 0.5 325 12,810 17

50 482 0.5 445 23,790 20

60(1)

Integral

Side-Mounted

203 0.6 276 40000 28

60(2) 356 0.6 160 40000 30

68(1) 203 0.6 276 40000 30

68(2) 356 0.6 160 40000 33

80 432 0.4 423 50000 35

100 432 0.4 623 75600 94

130 432 0.4 623 75600 123

ACTUATOR SIZE HANDWHEEL

MOUNTING

HANDWHEEL

DIAMETER TURNS PER INCH

TRAVEL

MAXIMUM RIM

FORCE REQUIRED

HANDWHEEL

OUTPUT FORCE

HANDWHEEL

WEIGHT

Inches Pounds Pounds Pounds

25 Top-Mounted 14 12 73 2880 37

50 19 12 100 5350 45

60(1)

Integral

Side-Mounted

816 62 9000 61

60(2) 14 16 36 9000 66

68(1) 816 62 9000 66

68(2) 14 16 36 9000 71

80 17 10 95 11250 77

100 17 10 140 17000 208

130 17 10 140 17000 272

1. 2 and 4 inch maximum travel constructions.

2. 8 inch maximum travel construction.

Figure 2. Fisher 585C Piston Actuator

with Handwheel

E0410

Figure 3. Fisher 585C Piston Actuator

with Spring Return

W7447-1

PISTON

O-RING

Instruction Manual

D102087X012

585C Actuator

October 2013

Actuator with Spring Return (figure 3)

585C size 25 & 50 actuators are available with bias springs in two configurations. The 585C actuator, with the bias

spring under the piston, fully retracts the actuator stem upon loss of cylinder pressure. The 585C actuator, with the

bias spring on top of the piston, fully extends the actuator stem upon loss of cylinder pressure. No additional parts are

required to convert from one actuator type to the other.

For more detailed information on the 3610 positioner and DVC6200 digital valve controllers, refer to the Principle of

Operation section in the 3610 and DVC6200 Instruction Manuals.

Installation

WARNING

To avoid personal injury or property damage caused by cylinder fracture as a result of piston impact, install the stem

connector securely before supplying pressure to the positioner. Use only a regulator-controlled air supply to move the

actuator piston so that you can install the stem connector. Do not use the positioner to move the actuator piston before

installing the stem connector.

Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal

injury.

To avoid personal injury or property damage caused by bursting of pressure-retaining parts, be certain the cylinder

pressure or other pressure ratings do not exceed the limits listed in table 1. Use pressure-limiting or pressure-relieving

devices to prevent cylinder pressure or other pressure ratings from exceeding these limits.

Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance sections in this

instruction manual.

When an actuator and valve are shipped together as a control valve assembly, the actuator is normally mounted on the

valve. Follow the valve instructions when installing the control valve in the pipeline. If the actuator is shipped

separately or if it is necessary to mount the actuator on the valve, perform the Actuator Mounting procedures in this

instruction manual corresponding to your actuator size. For information on mounting valve positioners, refer to the

3610 or DVC6200 instruction manuals for details.

If a 585C actuator is being installed without a positioner, the cylinder loading pressures should be supplied through a

4-way solenoid valve or a switching valve. The bottom side of the piston is pressured through the bottom side of the

mounting flange on the actuator yoke (key 6, figures 4 and 6) for sizes 25 and 50 or the connection at the lower side of

the cylinder (key 1, figure 9 to 12) for sizes 60 to 130. The top side of the piston is pressured through the connection in

the cylinder cover (key 1 for figures 4, 6; and 9 to 12).

The supply pressure medium should be clean, dry filtered air. If the supply source is capable of exceeding the

maximum actuator operating pressure or positioner supply pressure, appropriate steps must be taken during

installation to protect the positioner and all connected equipment against overpressure.

WARNING

Dropping the actuator and any attached accessories and/or valve may cause personal injury and/or equipment damage. For

all mounting procedures use an adequately sized chain, sling, hoist, or crane to handle the actuator and any attached

Table of contents

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