Product Bulletin
3025 Actuator
D102789X012
61.1:3025
March 2012
Fisherr 3025 Sizes P462, P460-200, and P900
Diaphragm Actuator
Fisher 3025 Size P460-200, P462 and P900 spring
opposed diaphragm actuators position the valve plug
in the valve body in response to varying controller or
valve positioner pneumatic output signals appliedto
the actuator diaphragm. They can be specified as
either direct, e.g. air-to-close, or reverse acting e.g.
air-to-open(seefigure1).Theseactuatorsare
designed to provide dependable on-off or throttling
operation of automatic control valves.
ThesizeP462is available for travels up to 120 mm,
4.75 inches with air-to-open and air-to-close action.
ThesizeP460-200is available for travels up to 200
mm,8incheswithair-to-openandair-to-closeaction.
ThesizeP900is available for travels up to 120 mm,
4.75 inches with air-to-open and air-to-close action.
Features
Long Travel Capability–Suitable for valves with
valve plug travels of up to 200 mm (8 inches).
Application Versatility–Yoke boss mountings, travel
stops, and manual operators are available for nearly
any control valve requiring longer valve plug travels.
Positive Connections–Split block stem connection
provides for a solid transfer of motion while
allowing easy mounting, and it includes no linkages
to create lost motion and inaccurate valve
positioning.
W9088-2
Reversible Construction–Actuator action can be
Long Service Life–Rugged steel construction
Fisher 3025 Actuator Air-to-Open Action
easily changed on site without need of additional
parts.
provides stability and corrosion protection.
www.Fisher.com
Product Bulletin
61.1:3025
March 2012
Specifications
3025 Actuator
D102789X012
Operating Pressure Range
See tables 3 and 4
Maximum Travel
Sizes P462 and P900: 120 mm (4.75 inches)
Size P460-200: 200 mm (8 inches)
Output Indication
Stainless steel disc or pointer and graduated scale
Stroking Speed
Dependent on actuator size, travel, spring rate, initial
spring compression, and supply pressure. If stroking
speed is critical, consult your Emerson Process
Management sales office
Operating Temperature Range
-30 to 80_C
Volumetric Displacement
See table 2
Signal Connection
1/2 NPT internal
Effective Diaphragm Area
See table 4
Maximum Pressure
4barg
Construction Materials
Diaphragm Casing: Steel
Diaphragm: Nitrile on nylon
Diaphragm Plate: Steel
Actuator Spring: Steel alloy
Actuator Stem: Steel alloy
Travel Indicator: Stainless steel
Yoke: Steel
Stem and Yoke Boss Diameters
ACTUATOR
SIZE
P462 and
P460-200
P900
1. H = Heavy actuator to valve bolting.
YOKE BOSS
DIAMETER
(Inches)
3-9/16
5
(1)
5H
5
(1)
5H
STEM DIAMETER
mm Inches
19.1
25.4
31.8
25.4
31.8
3/4
1
1-1/4
1
1-1/4
Dimensions and Weights
Seetables5,6,and7andfigures3,4,and5
Options
J Side-mounted gear handwheel, J Oversize signal
connections
Available Configurations
The 3025 actuator can be supplied in either direct or
reverse action.
Direct Action
In direct action, applying air pressure to the upper
diaphragm casing forces the actuator stem downward.
When this pressure is reduced, the opposing spring
forcemovestheactuatorstemupward.Shouldthe
loading pressure fail, the spring forces the stem to the
extreme upward position. This provides fail-open
2
action for push-down-to-close valves and fail-closed
action for push-down-to-open valves.
Reverse Action
In reverse action, applying air pressure to the lower
diaphragm casing forces the actuator stem upward
against the opposing spring force. When this loading
pressure is reduced, the spring moves the actuator
stem to the extreme downward position. Should the
loading pressure fail, the spring forces the stem to the
extreme downward position. Reverse acting actuators
provide fail-closed action for push-down-to-close
valves and fail-open action for push-down-to-open
valves.
3025 Actuator
D102789X012
Figure 1. Typical Actuators
Product Bulletin
61.1:3025
March 2012
E0990
FISHER 3025 SIZE P462
AIR-TO-OPEN
FISHER 3025 SIZE P462
AIR-TO-CLOSE
3
Product Bulletin
61.1:3025
March 2012
3025 Actuator
D102789X012
Accessories
Instruments
Mounting parts exist for the following instruments
(see table 1):
Table 1. Instruments Used with Fisher 3025
Actuators
Actuator Size Travel Instruments
J FIELDVUEt DVC6200 digital
Up to 102 mm
P462 andP900
P460-200 All
(4 inches)
Over 102mm
(4 inches)
valve controller,
pneumatic positioner and
J 3582i electropneumatic
positioner
J DVC6200 digital valve
controller and
Series positioners
Table 2. Volumetric Casing Displacement
ACTUATOR
SIZE
P462
P460-200
P900
P462
P460-200
P900
1. Clearance volume indicates casing volume at zerotravel.
CLEARANCE
VOLUME
cm
8600
17400
17200
Inch
522
1062
1050
(1)
3
3
J 3582
J 3610/3620
51 76 102 120 127 152 165 178 203
17900
---
35800
2 3 4 4.75 5 6 6.5 7 8
1089
---
2186
22500
---
45100
1373
---
2755
27100
---
54400
1657
---
3323
Handwheels
A geared handwheel is available for all sizes of the
3025 Actuator to manually position the valve plug. The
valveisopenedbyturningthehandwheeltotheleft
and closed by turning to the right. See figure 2.
Other
Accessories such as transducers, position transmitters,
air relays, volume boosters, switching valves, lockable
valves, limit switches and solenoid valves are also
available for actuator mounting. They are described in
separate publications. Contact your Emerson Process
Management sales office for details.
TRAVEL, mm
Casing Volume, cm
30500
---
61200
1862
---
3735
46000
TRAVEL, inches
Casing Volume, inch
2806
---
---
---
---
3
---
51700
---
3
---
3154
---
---
54500
---
---
3329
---
---
57400
---
---
3503
---
---
63100
---
---
3852
---
4
Product Bulletin
3025 Actuator
D102789X012
Table 3. Fisher 3025 Air-to-Open Action (Spring Closes) Actuator Thrust Capabilities for Push-Down-to-Close Valves
ACTUATOR
SIZE
P462
P460-200
P900
VALVE TRAVEL SPRING RANGE
mm Inches Bar Psig N lbs cm
0.5 -0.8
51 2
76 3
102 4
120 4.75
127 5
152 6
165 6.5
178 7
203 8
51 2 1.1 - 1.9 16 - 28 34670 7795 3600 558 3378 524
76 3
102 4
120 4.75
1.1 -1.8
1.6 -2.5
0.5 -0.9
1.1 -2.2
1.5 -2.4
0.5 -1.1
1.3 -2.5
0.5 -1.2
1.2 -2.6
0.6 -1.2
0.8 -1.9
1.5 -2.8
0.6 -1.3
0.8 -2.1
1.5 -3
0.6 -1.4
0.8 -2.2
1.5 -3.1
0.6 -1.5
0.8 -2.3
1.5 -3.3
0.6 -1.6
0.8 -2.5
1.5 -3.5
1.1 -2.3
1.7 -2.8
1.2 -2.4
1.7 -3.1
1.2 -2.6
1.7 -3.3
7-12
16 - 26
23 - 36
7-13
16 - 32
22 - 35
7-16
19 - 36
7-17
17 - 38
9-17
12 - 28
22 - 41
9-19
12 - 30
22 - 44
9-20
13 - 32
22 - 45
9-22
12 - 33
22 - 48
9-23
12 - 36
22 - 51
16 - 33
25 - 41
17 - 35
25 - 45
17 - 38
25 - 48
TOTAL THRUST WHEN
VALVE CLOSED
8140
19240
26740
8140
19240
26180
8140
22780
8140
20230
10460
16000
27070
10460
16000
27070
10460
16000
27070
10460
16000
27070
10460
16000
27070
34670
61150
38360
55970
38360
55970
1830
4325
6010
1830
4625
5885
1830
5120
1830
4550
2350
3595
6085
2350
3595
6085
2350
3595
6085
2350
3595
6085
2350
3595
6085
7795
13750
8625
12580
8625
12580
EFFECTIVE DIAPHRAGM AREA
Valve Closed Valve Open
2
1800 279 1724 267
1800 279 1686 261
1800 279 1648 255
1800 279 1620 251
1800 279 1603 248
1800 279 1564 242
1800 279 1544 239
1800 279 1524 236
1800 279 1485 230
3600 558 3192 495
3600 558 3108 482
3600 558 3085 478
Inch
2
March 2012
2
cm
61.1:3025
Inch
2
Table 4. Fisher 3025 Air-to-Close Action (Spring Opens) Actuator Thrust Capabilities for Push-Down-to-Close Valves
TOTAL THRUSTWHEN VALVE CLOSED
ACTUATOR
SIZE
P462
P460-200
P900
VALVE TRAVEL SPRING RANGE
mm Inch Bar Psig Force, N Force, lbs
51
76
102
120
127
152
165
178
203
51
76
102
120
2
3
4
4.75
5
6
6.5
7
8
2
3
4
4.75
0.5 -0.8
0.5 -0.9
0.5 -1.1
0.5 -1.2
0.6 -1.2
0.6 -1.3
0.6 -1.4
0.6 -1.5
0.6 -1.6
1.1 -1.9
1.1 -2.3
1.2 -2.4
1.2 -2.6
7-12
7-13
7-16
7-17
9-17
9-19
9-20
9-22
9-23
16 - 28
16 - 33
17 - 35
17 - 38
Supply Pressure, bar Supply Pressure, psig
2 3 4 29 44 58
21620
18500
15370
13100
12700
10150
9750
7570
5010
---
---
---
---
38860
35360
31850
29300
28730
25790
25190
22810
19860
42530
24890
22680
16150
56100
52220
48330
45500
44760
41430
40630
38050
34710
76310
56810
53760
47000
4860
4160
3455
2945
2855
2280
2190
1700
1125
---
---
---
---
8735
7950
7160
6585
6460
5795
5660
5125
4465
9560
5595
5100
3630
12610
11740
10865
10230
10065
9315
9135
8555
7805
17155
12770
12085
10565
5
Product Bulletin
61.1:3025
March 2012
Figure 2. Typical Geared Handwheel
3025 Actuator
D102789X012
6
W9090
W9089-1
3025 Actuator
D102789X012
Table 5. Fisher 3025 Dimensions and Weights - Size P462 Actuator
DIMENSION REFERENCE WEIGHT
YOKE BOSS
DIAMETER
3-9/16
(1)
5and5H
3-9/16
(1)
5and5H
1. H = Heavy actuator to valve bolting.
TRAVEL
mm bar mm kg
51 All 90 1305 1670 495 180 215
76
102
120
51 All 127 1360 1725 550 180 215
76
102
120
Inches psig Inches lbs
2 All 3.6 51.4 65.7 19.5 395 475
3
4
4.75
2 All 5 53.5 68 21.7 395 475
3
4
4.75
SPRING
RANGE
0.5 -0.9
1.1 -2.2
1.5 -2.4
0.5 -1.1
1.3 -2.5
0.5 -1.2
1.2 -2.6
0.5 -0.9
1.1 -2.2
1.5 -2.4
0.5 -1.1
1.3 -2.5
0.5 -1.2
1.2 -2.6
7-13
16 - 32
25 - 35
7-16
19 - 36
7-17
17 - 38
7-13
16 - 32
25 - 35
7-16
19 - 36
7-17
17 - 38
D
90
90
90
127
127
127
3.6
3.6
3.6
5
5
5
E
(w/o
handwheel)
1370
1370
1600
1405
1635
1405
1635
1370
1370
1600
1405
1635
1405
1635
54
54
63
55.3
64.4
55.3
64.4
54
54
63
55.3
64.4
55.3
64.4
E
(with
handwheel)
1750
1750
1980
1970
2200
1970
2200
1750
1750
1980
1970
2200
1970
2200
69
69
76
77.6
86.6
77.6
86.6
69
69
78
77.6
86.6
77.6
86.6
M
550
550
550
550
550
550
21.7
21.7
21.7
21.7
21.7
21.7
Product Bulletin
61.1:3025
March 2012
w/o
handwheel
180
180
200
180
200
180
200
180
180
200
180
200
180
200
395
395
440
395
440
395
440
395
395
440
395
440
395
440
with
handwheel
215
215
235
225
245
225
245
215
215
235
225
245
225
245
475
475
515
495
540
495
540
475
475
515
495
540
495
540
7
Product Bulletin
61.1:3025
March 2012
Figure 3. Fisher 3025 Dimensions and Weights - Size P462 Actuator (see table 5)
580
(22.8)
3025 Actuator
D102789X012
580
(22.8)
E
E0991
E
315
(12.4)
M
D
400
(15.7)
D
8
3025 Actuator
D102789X012
Table 6. Fisher 3025 Dimensions and Weights - Size P460-200 Actuator
DIMENSION REFERENCE WEIGHT
YOKE BOSS
DIAMETER
3-9/16, 5, and 5H
3-9/16, 5, and 5H
1. H = Heavy actuator to valve bolting.
(1)
Inches psig Inches lbs
(1)
TRAVEL SPRING RANGE
mm bar mm kg
0.6 -1.2
127
152
165
178
203
5
6
6.5
7
8
0.8 -1.9
1.5 -2.8
0.6 -1.3
0.8 -2.1
1.5 -3.0
0.6 -1.4
0.8 -2.2
1.5 -3.1
0.6 -1.5
0.8 -2.3
1.5 -3.3
0.6 -1.6
0.8 -2.5
1.5 -2.5
9-17
12 - 28
22 - 41
9-19
12 - 30
22 - 44
9-20
13 - 32
22 - 45
9-22
12 - 33
22 - 48
9-23
12 - 36
22 - 51
E
(w/o handwheel)E(with handwheel)
1690
1690
1900
1690
1690
1900
1690
1690
1900
1690
1690
1900
1690
1690
1900
66.5
66.5
74.8
66.5
66.5
74.8
66.5
66.5
74.8
66.5
66.5
74.8
66.5
66.5
74.8
2510
2510
2720
2510
2510
2720
2510
2510
2720
2510
2510
2720
2510
2510
2720
98.8
98.8
107
98.8
98.8
107
98.8
98.8
107
98.8
98.8
107
98.8
98.8
107
Product Bulletin
61.1:3025
March 2012
w/o handwheel with handwheel
220
235
280
220
235
280
220
235
280
220
235
280
220
235
280
485
515
615
485
515
615
485
515
615
485
515
615
485
515
615
320
335
380
320
335
380
320
335
380
320
335
380
320
335
380
705
735
835
705
735
835
705
735
835
705
735
835
705
735
835
9
Product Bulletin
61.1:3025
March 2012
Figure 4. Fisher 3025 Dimensions and Weights - Size P460-200 Actuator (see table 6)
580
(22.8)
3025 Actuator
D102789X012
580
(22.8)
E
E0992
500
(19.7)
E
315
(12.4)
500
(19.7)
D
D
655
(25.8)
400
(15.7)
10
3025 Actuator
D102789X012
Table 7. Fisher 3025 Dimensions and Weights - Size P900 Actuator
DIMENSION REFERENCE WEIGHT
YOKE BOSS
DIAMETER
(1)
5and5H
(1)
5and5H
1. H = Heavy actuator to valve bolting.
TRAVEL SPRING RANGE
mm bar mm kg
51 1.1 -1.9 127 1845 2290 380 440
76
102
120
Inches psig Inches lbs
2 16 - 26 5 72.6 90.2 835 970
3
4
4.75
1.1 -2.3
1.7 -2.8
1.2 -2.4
1.7 -3.1
1.2 -2.6
1.7 -3.3
16 - 33
25 - 41
17 - 35
25 - 45
17 - 38
25 - 48
D
127
127
127
5
5
5
(w/o
handwheel)
1845
2020
2060
2280
2060
2280
E
72.6
79.5
81.1
89.8
79.5
89.8
E
(with
handwheel)
2290
2470
2630
2845
2630
2845
90.2
97.2
103.5
112
103.5
112
Product Bulletin
w/o handwheel
380
430
430
480
430
480
835
945
945
1055
945
1055
61.1:3025
March 2012
with
handwheel
440
490
490
550
490
550
970
1080
1080
1210
1080
1210
11
Product Bulletin
61.1:3025
March 2012
Figure 5. Fisher 3025 Dimensions and Weights - Size P900 Actuator (see table 7)
580
(22.8)
3025 Actuator
D102789X012
580
(22.8)
E
E0993
E
610
(24)
D
400
(15.7)
D
315
(12.4)
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility forthe selection, u se or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher and FIELDVUE aremarks owned by one of the companies in theEmerson Process Management business unit ofEmerson Electric Co. EmersonProcess
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 arenot
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 areavailable uponrequest. Wereserve theright to modify or improve the designs or specifications ofsuch
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 2001, 2012 Fisher ControlsInternational LLC. All rightsreserved.
12
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