Emerson Fisher 585C Data Sheet

2015-03-30

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Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Fisherr 585C Piston Actuators
The 585C linear piston actuator is a powerful,
double-acting actuator that provides accurate
throttling or on-off operation for sliding-stem control
valves.
The 585C piston actuator family is available in sizes 25
to 130 to cover a wide range of thrust and travel length
requirements. It can be used with switching valves for
on-off control, or with the DVC6200 digital valve
controller or 3600 positioner for throttling
applications.
The 585C has a wide-range of supply pressure
capabilities, up to 150 psig. As the 585C is
double-acting, the positioner supplies air to both sides
of the piston, resulting in stiff, precise movement and
control.
Information for the 585CLS long stroke actuator can
be found in Fisher bulletin 61.2:585CLS
(D103792X012).
X0175-1

Fisher 585C Piston Actuator
with FIELDVUE™ DVC6200 Digital Valve Controller

Features






High Thrust Capability-- With standard air supply,
the Size 130 Fisher 585C can produce up to 111,000
Newtons (25,000 lbs) of force.
Wide Range of Sizes-- The 585C family of actuators
offers a wide range of sizes, with piston areas of 168
sq cm (26 sq in) up to 1,429 sq cm (221.5 sq in).
Rugged Construction-- The 585C standard yoke
material is ductile iron, resulting in robust
construction and increased thrust capability.

www.Fisher.com



Broad Travel Capability-- 585C piston actuators
provide standard travel lengths of up to 203 mm (8
inches).



High-Performance Instrumentation-- 585C
actuators are available with a variety of positioners
and accessories, including the FIELDVUE DVC6200
digital valve controller. The 377 trip valve and tank
system are also available for fail-safe action.

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Figure 1. Fisher 585C Piston Actuator Components

SPRING
(SIZES 25 & 50)
CYLINDER

TRAVEL STOP

PISTON

STEM O-RING

PISTON O-RING

CAP SCREW

SEAL BUSHING

TRAVEL INDICATOR

YOKE

ACTUATOR STEM

STEM CONNECTOR

W7447-1

Contents
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features and Advantages . . . . . . . . . . . . . . . . . . . . . . .
Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument and Accessory Selection . . . . . . . . . . . . .

2

1
3
4
4
6

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Actuator Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Handwheel Specifications . . . . . . . . . . . . . . . . . . . . . 12
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012
Specifications

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

Construction Materials

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 8
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
Sizes 25 and 60:
J 1/4 NPT internal (standard), or J 3/8 NPT internal
(optional)
Size 50:
J 1/4 NPT internal (standard), or J 1/2 NPT internal
(optional)
Sizes 68-130:
J 1/2 NPT internal (standard)
Dimensions
See figures 6 and 7

Material
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, or EPDM

Actuator Stem

Chrome-plated Steel

Stem Connection

Stainless Steel

Travel Indicator Scale

Stainless Steel

Paint

Polyester Powder

Actuator Stem
(sizes 60-130 only)

S41600 (416) SST, Chrome Plate

Cylinder Seal Bushings
(sizes 60-130 only)

Brass

Thrust Capabilities
See tables 4, 5, 6, 7, and 8

Part
Yoke

Instrument Mounting
Universal NAMUR mounting
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:
J Top-mounted handwheel, see figures 6 and 7 and
table 9
J Cylinder bypass valve J Limit switches J Fisher
4200 position transmitter
Sizes 60-130:
J Integral side-mounted handwheel
Sizes 25-130:
J FIELDVUE mounting options
J Fisher 377 trip valve system to fail actuator
J Up or J down or J lock in last position
J TopWorx DXP M21GNEB electrical valve stem
position switch
J Micro-Switch limit switches

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

3

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Features and Advantages
Table 1. Features and Advantages
Features

Advantages

High thrust capability

With air supply capability of up to 150 psig, the 585C can produce up to 111,000 Newtons (25,000 pounds) thrust to
overcome high valve unbalance.

Stroke Length Capability

Depending on size, strokes of up to 203 mm (8 inches) are available.

Wide range of sizes

The 585C is available in standard sizes 25, 50, 60, 68, 80, 100, and 130.

Valve mounting capability

Depending on size, the 585C can be mounted to yoke boss diameters of 2-1/8 inches through 5-inches, and valve
stem diameters of up to 1-1/4 inch.

Positioner mounting capability

Universal NAMUR mounting provides a consistent mounting method for all sizes. This mounting capability provides
vibration resistance per ISA-S75.13.

High frequency response

The double acting construction allows quick response to instrument signals.

Stiff construction

Pressure on both sides of the piston, plus the relatively small volume of air within the cylinder, results in stiff, precise
positioning.

Handwheels

585C size 25 and 50 actuators are available with a top-mounted handwheel. All other 585C actuator sizes can
accommodate a side-mounted handwheel.

Bias springs

The sizes 25 and 50 are available with bias springs. A bias spring under the piston fully retracts the actuator stem upon
loss of supply air, while a bias spring on top of the piston fully extends the actuator stem. The spring bias mode is
easily reversed without the need for additional parts.

Figure 2. Fisher 585C Piston Actuator Without
Springs

Principle of Operation
The 585C piston actuator (figures 1 and 2) uses a
piston that moves inside the actuator cylinder. An
O-ring (see figure 1) 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 one side of the piston,and decreasing it on
the other. This moves the piston up or down, and
results in a repositioning of the valve control element.

E0409

4

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Figure 3. Fisher 585C Piston Actuator with
Handwheel

E0410

Figure 4. Fisher 585C Piston Actuator with Spring
Return

W7447-1

Actuator with Handwheel (figures 3
and 6)
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 6.
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.

Actuator with Spring Return
(figure 4)
585C size 25 & 50 actuators are available with bias
springs. The 585C actuator with bias spring has the
spring under the piston and fully retracts the actuator
stem upon loss of cylinder pressure. The bias spring in
the 585CR actuator is on top of the piston and fully
extends the actuator stem upon loss of cylinder
pressure. No additional parts are required to convert
from one actuator type to the other.

5

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Instrument and Accessory
Selection

normal installation is with the actuator vertical above
the valve. Actuator and positioner dimensions are
shown in figures 6, 7, and 8.

An excellent selection of sensitive and accurate
instruments and accessories is available for 585C
piston actuators. These include FIELDVUE DVC6200
digital valve controllers, 3600 pneumatic (P/P) and
electro-pneumatic (I/P) positioners, TopWorx™ DXP
M21GNEB electrical valve stem position switch, 377
trip valve, 4200 electronic position transmitter, and
limit switches. They are described in separate
publications. Contact your Emerson Process
Management sales office for details.

If the supply source is capable of exceeding the
maximum actuator operating pressure or instrument
supply pressure, appropriate steps must be taken
during installation to protect the instrument and all
connected equipment against overpressure.

Actuator Data
Installation

See table 2 for piston cylinder clearance volumes, table
3 for yoke boss and valve stem diameters, and tables 4,
5, 6, 7, and 8 for actuator thrust capabilities.

The actuator may be installed in any orientation but
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

Maximum Actuator Travel

Upper Clearance Volume
(figure 5)
cm3
Inches3

Volume Below Piston
(figure 5)
cm3
Inches3

cm2

Inches2

mm

Inches

25

168

26

29

1.125

104

6.3

1750

107

50

303

47

51

2

330

20

5200

320

51

2

310

19

2700

163

100

4

310

19

4400

270

200

8

310

19

8200

500

51

2

1230

75

7500

460

102

4

1230

75

7500

460

203

8

1230

75

13300

810

102

4

1230

75

7500

460

203

8

1230

75

13300

810

102

4

1700

104

10700

650

203

8

1700

104

19200

1170

102

4

4600

280

18500

1130

203

8

4600

280

33000

2000

60

68

80

358

55.5

571

88.5

571

88.5

100

842

130.5

130

1430

221.5

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

6

Piston Area

Maximum Actuator Travel

Lower Clearance Volume
(figure 5)
cm3
Inches3

Volume Above Piston
(figure 5)
cm3
Inches3

cm2

Inches2

mm

Inches

25

168

26

29

1.125

77

4.7

1790

109

50

303

47

51

2

350

22

5200

320

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Table 3. Yoke Boss and Valve Stem Diameters
ACTUATOR SIZE

YOKE BOSS DIAMETER

VALVE STEM DIAMETER

mm

Inches

mm

Inches

25

54
71

2-1/8
2-13/16

9.5
12.7

3/8
1/2

50

71
90

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
1
1-1/4

80

127

5, 5H

25.4
31.8

100

127

5, 5H

25.4
31.8

1
1-1/4

130

127

5, 5H

25.4
31.8

1
1-1/4

1. Heavy actuator to bonnet bolting.

Figure 5. Clearance Volumes
UPPER
CLEARANCE
VOLUME

VOLUME
ABOVE
PISTON

VOLUME
BELOW
PISTON
LOWER
CLEARANCE
VOLUME

44B7218-C

44B7217-C

7

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

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

25

50

ACTUATOR SPRING THRUST, POUNDS
SPRING
STEM
RATE,
TRAVEL,
Stem
Stem
lb/in
INCHES
Retracted
Extended

NET THRUST FOR 585C WITH ACTUATOR STEM FULLY
EXTENDED AT FULL TRAVEL
Operating Pressure, psig(1)
40

50

60

70

80

100

110

125

150

Force, Pounds

0

All

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
200
200
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
400
400
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
500
500
500

781
875
938
1063

260
160
100
X

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
700
700
700

1094
1225
1313
1488

X
X
X
X

200
70
X
X

460
330
250
70

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
900
900
900

1406
1575
1688
1913

X
X
X
X

X
X
X
X

150
X
X
X

410
240
130
X

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

0

All

0

0

1840

2300

2760

3220

3680

4140

4600

5060

5750

6900

Springs
Not Used

330

0.75
0.875
1.125
1.5
2

330
330
330
330
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
2

600
600
600
600
600

1050
1125
1275
1500
1800

840
760
610
390
90

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
2

930
930
930
930
930

1628
1744
1976
2325
2790

260
140
X
X
X

730
610
380
30
X

1200
1080
850
500
40

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
2

1550
1550
1550
1550
1550

2710
2906
3294
3875
4650

X
X
X
X
X

X
X
X
X
X

110
X
X
X
X

580
385
X
X
X

1050
855
465
X
X

1520
1325
935
355
X

1990
1795
1405
825
50

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
2

1880
1880
1880
1880
1880

3290
3525
3995
4700
5640

X
X
X
X
X

X
X
X
X
X

X
X
X
X
X

X
X
X
X
X

470
235
X
X
X

940
705
235
X
X

1410
1175
705
X
X

1880
1645
1175
470
X

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.
1. The maximum design pressure for size 25 and 50 actuator is 150 psig. Maximum rating for applications is 125 psig.

8

90

SPRING
COLOR

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Table 5. Fisher 585C Size 25 and 50 Actuator Thrust Capabilities, Metric Units (spring retracts stem)
ACTUACTU- SPRING ATOR
STEM
ATOR RATE,
SIZE N/mm TRAVEL,
mm

25

SPRING
THRUST, N

NET THRUST FOR 585C WITH ACTUATOR STEM FULLY
EXTENDED AT FULL TRAVEL
Operating Pressure, bar(1)

Stem
Retracted

Stem
Extended

2.8

3.4

4.1

4.8

5.5

6.2

6.9

7.6

SPRING
COLOR

8.6

10.3

11,565 12,722

14,457

17,348

Springs
Not Used

Force, N

0

All

0

0

4626

5783

6939

8096

9252

10,409

35.0

14.3
19.1
22.2
28.6

890
890
890
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
1780
1780
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
2225
2225
2225

3475
3894
4174
4730

1156
712
445
X

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
3115
3115
3115

4868
5451
5843
6622

X
X
X
X

890
311
X
X

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
4005
4005
4005

6257
7009
7512
8513

X
X
X
X

X
X
X
X

667
X
X
X

1824
1068
578
X

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

0

All

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
1468
1468
1468
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
2669
2669
2669
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
4137
4137
4137
4137

7242
7758
8790
10,342
12,410

1157
623
X
X
X

3247
2713
1690
133
X

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
6894
6894
6894
6894

12054
12925
14652
17236
20683

X
X
X
X
X

X
X
X
X
X

489
X
X
X
X

2580
1712
X
X
X

4670
3803
2068
X
X

6761
5894
4159
1579
X

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
8362
8362
8362
8362

14634
15679
17770
20906
25087

X
X
X
X
X

X
X
X
X
X

X
X
X
X
X

X
X
X
X
X

2091
1045
X
X
X

4181
3136
1045
X
X

6272
5226
3136
X
X

8362
7317
5226
2091
X

11498
10453
8362
5226
1045

16,748
15,702
13,612
10,476
6294

Pink &
Green

50

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. Maximum rating for applications is 8.6 bar.

9

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

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

25(2)

50(3)

40

50

60

70

0

SPRING
THRUST W/
ACTUATOR
STEM
EXTENDED,
POUNDS
0

1040

1300

1560

1820

2080

200

200

1240

1500

1760

2020

2280

400

400

1440

1700

1960

2220

500

500

1540

1800

2060

700

700

1740

2000

2260

900

900

1940

2200

0

0

1840

2300

330

330

2210

600

600

SPRING
RATE,
lb/in

TOTAL THRUST FOR 585CR WITH ACTUATOR STEM FULLY
EXTENDED
Operating Pressure, psig(1)
80

90

SPRINGS USED, BY COLOR

100

110

125

150

2340

2600

2860

3250

3900

2540

2800

3060

3450

X

Gold

2480

2740

3000

3260

3650

X

Light Green

2320

2580

2840

3100

3360

3750

X

White

2520

2780

3040

3300

3560

X

X

Gold & White

2460

2720

2980

3240

3500

3760

X

X

Light Green & White

2760

3220

3680

4140

4600

5060

5750

6900

Springs Not Used

2680

3150

3620

4090

4560

5030

5500

6205

X

Pink

2480

2950

3420

3890

4360

4830

5300

5770

6475

X

Light Blue
Pink & Light Blue

Force, Pounds
Springs Not Used

930

930

2810

3280

3750

4220

4690

5160

5630

6100

6805

X

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 stem)
ACTUATOR
SIZE

25(2)

50(3)

0

SPRING
THRUST W/
ACTUATOR
STEM
EXTENDED,
N
0

4626

5782

6939

8095

9251

35.0

890

5516

6672

7828

8985

10141

70.0

1780

6405

7562

8718

9874

SPRING
RATE,
N/mm

TOTAL THRUST FOR 585CR WITH ACTUATOR STEM FULLY
EXTENDED
Operating Pressure, bar(1)
2.8

3.4

4.1

4.8

5.5

6.2

6.9

7.6

8.6

10.3

10408

11565

12721

14456

17347

11298

12454

13610

15346

X

Gold

11031

12188

13344

14500

16235

X

Light Green

Force, N
Springs Not Used

87.6

2225

6850

8006

9163

10319

11476

12632

13789

14945

16680

X

White

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

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

X

Pink

105.1

2670

11031

13122

15212

17303

19393

21484

23574

25665

28800

X

Light Blue

162.8

4135

12499

14589

16680

18770

20861

22952

25042

27133

30269

X

Pink & 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 30700 N.

10

SPRINGS USED, BY
COLOR

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Table 8. Fisher 585C Thrust (springless construction)
ACTUATOR
SIZE

PISTON
AREA

TOTAL THRUST FOR 585C(1)
Operating Pressure, bar(3)
2.8

3.4

4.1

4.8

cm2

5.5

6.2

6.9

7.6

8.6

10.3

Force, Newtons(2)

MAXIMUM ALLOWABLE
THRUST
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(3)

358

9880

12300

14800

17300

19800

22200

24700

27200

30900

36900

36900

68(3)

571

15700

19700

23600

27600

31500

35400

39400

43300

49200

55600

55600(4)

80(3)

571

15700

19700

23600

27600

31500

35400

39400

43300

49200

58700

58700

100(3)

842

23200

29000

34800

40600

46400

52200

58000

63900

72600

X

86700

130(3)

1430

39400

49300

59100

69000

78700

88500

98800

108100

X

X

111200

100

110

125

150

MAXIMUM ALLOWABLE
THRUST

ACTUATOR
SIZE

PISTON
AREA

Operating Pressure, psig(3)
40

50

60

70

80

Inches2

90

Force, 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(3)

55.5

2220

2780

3330

3890

4440

5000

5550

6110

6940

8300

8300

68(3)

88.5

3540

4430

5310

6200

7080

7970

8850

9740

11100

12500

12500(4)

80(3)

88.5

3540

4430

5310

6200

7080

7970

8850

9740

11100

13200

13200

100(3)

130.5

5220

6530

7830

9140

10440

11700

13100

14400

16300

19500

19500

130(3)

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). 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.

11

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Handwheel Specifications
Table 9. Fisher 585C Handwheel Specifications
ACTUATOR SIZE

HANDWHEEL
MOUNTING

MAXIMUM RIM
FORCE REQUIRED

HANDWHEEL
OUTPUT FORCE

HANDWHEEL
WEIGHT

Newtons

Newtons

kg

0.5

325

12,810

17

482

0.5

445

23,790

20

60(1)

203

0.6

276

40000

28

60(2)

356

0.6

160

40000

30

68(1)

203

0.6

276

40000

30

356

0.6

160

40000

33

432

0.4

423

50000

35

100

432

0.4

623

75600

94

130

432

0.4

623

75600

123

MAXIMUM RIM
FORCE REQUIRED

HANDWHEEL
OUTPUT FORCE

HANDWHEEL
WEIGHT

50

68(2)
80

ACTUATOR SIZE

Top-Mounted

Integral
Side-Mounted

HANDWHEEL
MOUNTING

mm

TURNS PER mm
TRAVEL

356

25

HANDWHEEL
DIAMETER

Pounds

Pounds

Pounds

12

73

2880

37

19

12

100

5350

45

60(1)

8

16

62

9000

61

60(2)

14

16

36

9000

66

68(1)

8

16

62

9000

66

14

16

36

9000

71

17

10

95

11250

77

100

17

10

140

17000

208

130

17

10

140

17000

272

50

68(2)
80

Top-Mounted

Integral
Side-Mounted

1. 2 and 4 inch maximum travel constructions.
2. 8 inch maximum travel construction.

Inches

TURNS PER INCH
TRAVEL

14

25

12

HANDWHEEL
DIAMETER

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Table 10. Fisher 585C Dimensions–Size 25 and 50 Actuator with 3611 Pneumatic (P/P) Positioner
ACTUATOR SIZE

YOKE
BOSS
SIZE

E

H

C

AR(1)

54.0

324.4

693.7

205.2

71.4

352.3

720.9

71.4

464.3

90.5

503.4

F

Jc

L

P

T

X

127.0

259.6

355.6

47.8

255.8

19.1

114.3

205.2

176.3

259.6

355.6

19.8

255.8

23.9

139.3

841.5

257.0

176.3

265.4

482.6

13.7

281.7

23.9

152.4

881.1

257.0

225.6

265.4

482.6

---

281.7

35.1

193.5

mm
25
50

Inches
25
50

2-1/8

12.77

27.31

8.08

5.00

10.22

14.00

1.88

10.07

0.75

4.50

2-13/16

13.87

28.38

8.08

6.94

10.22

14.00

0.78

10.07

0.94

5.50

2-13/16

18.28

33.13

10.12

6.94

10.45

19.00

0.54

11.09

0.94

6.00

3-9/16

19.82

34.69

10.12

8.88

10.45

19.00

---

11.09

1.38

7.62

1. Actuator removal clearance

Figure 6. Fisher 585C Dimensions–Size 25 and 50 Actuator with 3611 Pneumatic (P/P) Positioner (also see table 10)
C
F

P

AR

FISHER 67AFD
1/4-18 NPT
SUPPLY
CONNECTOR

E
X
T
L

FISHER 3611JP
1/4-18 NPT
INSTRUMENT
CONNECTOR

18B5463-A

JC
C

F

P

AR

H
FISHER 67AFD
1/4-18 NPT
SUPPLY
CONNECTOR
X

17B3436-B

L

T
FISHER 3611JP
1/4-18 NPT
INSTRUMENT
CONNECTOR

13

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Table 11. Fisher 585C Dimensions–Size 25 and 50 Actuator with 3621 Electro-Pneumatic (I/P) Positioner
ACTUATOR SIZE

YOKE BOSS
SIZE

E

H

C

54.0

322.1

681.0

71.4

350.0

71.4
90.5

AR(1)

F

Jc

L

P

205.2

127.0

216.7

355.6

96.0

303.5

720.9

205.2

176.3

216.7

355.6

68.1

303.5

462.0

836.4

257.0

176.3

222.5

482.6

62.5

329.4

501.1

875.6

257.0

225.6

222.5

482.6

23.4

329.4

mm
25
50

Inches
25
50

2-1/8

12.68

26.81

8.08

5.00

8.53

14.00

3.78

11.95

2-13/16

13.78

28.38

8.08

6.94

8.53

14.00

2.68

11.95

2-13/16

18.19

32.93

10.12

6.94

8.76

19.00

2.46

12.97

3-9/16

19.73

34.47

10.12

8.88

8.76

19.00

0.92

12.97

1. Actuator removal clearance

Figure 7. Fisher 585C Dimensions–Size 25 and 50 Actuator with 3621 Electro-Pneumatic (I/P) Positioner (also see
table 11)
C

F

P

AR

1/4-18 NPT
SUPPLY
CONNECTOR
T

E

L
JC

17B3435-B

F

AR

1/2-14 NPT
CONDUIT
CONNECTOR

C
1/4-18 NPT
SUPPLY
CONNECTOR

H
H

18B6671-A

L
P

14

1/2-14 NPT
CONDUIT
CONNECTOR

Product Bulletin

585C Actuator

61.2:585C
September 2014

D102086X012

Table 12. Fisher 585C Dimensions–Size 60 to 130 Actuator
ACTUATOR
SIZE
60

68

80
100
130

B
DIAMETER

A

C(1)

AR(2)

D

F
DIAMETER

E

ARH(2)

TRAVEL

mm

Inch

mm

Inch

mm

Inch

mm

Inch

mm

Inch

mm

Inch

mm

Inch

mm

Inch

2

462

18.2

267

10.5

305

12.0

232

9.1

734

28.9

206

8.1

203

8.0

232

9.1

4

564

22.2

267

10.5

305

12.0

292

11.5

785

30.9

206

8.1

203

8.0

241

9.5

8

782

30.8

267

10.5

305

12.0

279

11.0

1074

42.3

206

8.1

356

14.0

279

11.0

2

597

23.5

325

12.8

330

13.0

232

9.1

853

33.6

206

8.1

203

8.0

232

9.1

4

729

28.7

325

12.8

330

13.0

292

11.5

853

33.6

206

8.1

203

8.0

241

9.5

8

828

32.6

325

12.8

330

13.0

279

11.0

1143

45.0

206

8.1

356

14.0

279

11.0

4

714

28.1

325

12.8

330

13.0

321

12.6

1245

49.0

305

12

432

17.0

321

12.6

8

965

38.0

325

12.8

330

13.0

406

16.0

1344

52.9

305

12

432

17.0

406

16.0

4

714

28.1

381

15.0

361

14.2

321

12.6

1245

49.0

305

12

432

17.0

321

12.6

8

958

37.7

381

15.0

361

14.2

406

16.0

1346

53.0

305

12

432

17.0

406

16.0

4

833

32.8

483

19.0

411

16.2

321

12.6

1410

55.5

305

12

432

17.0

321

12.6

8

1006

39.6

483

19.0

411

16.2

406

16.0

1725

67.9

305

12

432

17.0

406

16.0

1. The C dimension shown is for FIELDVUE DVC6200 digital valve controllers. Add 38.1 mm (1.5 inches) to this dimension for 3620JP positioners.
Subtract 12.7 mm (0.5 inches) from this dimension for 3610JP positioners.
2. Actuator removal clearance.

Figure 8. Fisher 585C Dimensions–Size 60 to 130 Actuator (also see table 12)
B

ARH

AR

F

A
B

D

AR

E
C

1

A

WITH MANUAL OPERATOR

WITH DVC6200
DIGITAL VALVE CONTROLLER

C

1

WITH 3610 OR 3620 POSITIONER
1

The C dimension listed in the table is for the actuator with the FIELDVUE digital valve controller. Add to this dimension for 3620JP positioners. Subtract from this
dimension for 3610JP positioners. Refer to the footnote in the table.

15

Product Bulletin
61.2:585C
September 2014

585C Actuator
D102086X012

Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher, FIELDVUE, and TopWorx are marks owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co.
Emerson Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property
of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.
Emerson Process Management
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
Dubai, United Arab Emirates
Singapore 128461 Singapore

www.Fisher.com
E
161994, 2014 Fisher Controls International LLC. All rights reserved.



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