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Instruction Manual
D101329X012
Table 4. Fisher 1061 Actuator Size Selection and Specifications for Sizes 2A, 1A, B, C, D, and II‐FA
MANUAL
ACTUATOR
SHAFT SIZE
SIZE
(max output
torque)
mm
Inch
12.7
1/2
15.9,
5/8,
14.3x
9/16x
9.5
5/8
2A
(3)
19.1
3/4
(4800 in.lbs)
(22.2,
(7/8, 1)
25.4)
31.8
1‐1/4
(22.2,
(7/8, 1)
25.4)
31.8,
1‐1/4,
28.6x
1‐1/8x
31/8
1‐1/4
1A
38.1
1‐1/2,
(8200 in.lbs)
31.8x
1‐1/4x
38.1
1‐1/2
(44.4,
(1‐3/4,
50.8),
2),
39.7
1‐9/16
x44.5
x1‐3/4
31.8
1‐1/4
B
38.1,
1‐1/2,
(12,000 in.lbs)
(44.4,
(1‐3/4,
50.8)
2)
31.8
1‐1/4
C
(44.4,
(1‐3/4,
(18,000 in.lbs)
50.8)
2)
(44.4,
(1‐3/4,
50.8)
2)
D
54,
2‐1/8,
(30,000 in.lbs)
63.5
2‐1/2,
57.2x
2‐1/4x
63.5
2‐1/2
II
‐FA
54,
2‐1/8,
63.5
2‐1/2
(60,000 in.lbs)
1. Compare table value with torque requirements of the valve plus the torque required to compress the power actuator spring (from Fisher Catalog 14). Note that dynamic torque of the valve
may have a positive or negative effect on total torque required.
2. Has spur gear.
3. 2A 3/4 inch shaft will also mount on the 1061 size 40, 60, and 68.
4. Maximum torque of connection between power and manual actuator.
Installation
WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal
injury.
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
POWER
HANDWHEEL
GEAR
ACTUATOR
DIAMETER
RATIO
Type
Size
mm
152
1061
30
34:1
203
305
305
40,
1061
32:1
60, 68
610
40,
1061
40:1
610
60, 68
40,
1061
54:1
610
60, 68
762
80,
1061
64:1
100
914
80,
(2)
1061
406
288:1
100
MAXIMUM
(1)
TORQUE
For Maximum
Torque
Inch
NSm
LbfSin
N
58
515
89
6
138
1225
214
8
239
2120
276
(4)
(4)
467
4140
360
12
541
4800
416
12
467
4140
382
24
929
8200
378
1109
9815
308
24
1356
12,000
377
1109
9815
231
24
2034
18,000
424
30
2658
23,524
369
36
3390
30,000
394
16
6301
55,762
400
1078 Actuator
WHEEL‐RIM‐FORCE
For Less Than Maximum
Torque
Pounds
N
Pounds
20
Divide NSm
Divide lbfSin
req'd by
48
req'd by 26
0.66
Divide NSm
Divide lbfSin
62
req'd by
req'd by 34
0.86
81
Divide NSm
Divide lbfSin
req'd by 1.3
req'd by 51
94
Divide NSm
Divide lbfSin
86
req'd by 1.2
req'd by 48
Divide NSm
Divide lbfSin
85
req'd by 2.4
req'd by 96
68
Divide lbfSin
Divide NSm
req'd by
req'd by 3.6
83
144
51
Divide lbfSin
Divide NSm
req'd by
req'd by 4.8
93
194
Divide lbfSin
Divide NSm
82
req'd by
req'd by 7.2
287
Divide lbfSin
Divide NSm
87
req'd by
req'd by 8.6
345
Divide NSm
Divide lbfSin
90
req'd by
req'd by
15.7
619
June 2017
HANDWHEEL
TURNS FOR
ROTATION
Degrees
60
90
5.7
8.5
5.3
8
6.7
10
9
13.5
10.7
16
48
72
5
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