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ERIKST +44 (0)116 272 7300
[email protected] www.eriks.co.uk
The Netherlands Belgium France United Kingdom
Scotch Yoke Actuators | Spring return - Double acting
| 3
Fig. 7991 Spring return - Fig. 7992 Double acting
Econ® actuatorsThe Econ® scotch yoke actuators are designed for use in
quarter-turn applications and are ideal for the on/off or continuous
operation of plug, butterfly and ball valves, as well as dampers
and other 90° turn devices. Product offerings include scotch
yoke pneumatic and hydraulic actuators with torque values up to
250,000 Nm (2.2 million in-lb). Econ® actuators are engineered and build
to withstand most severe applications and environmental conditions.
The precision design and quality of our actuators provide long and
safe performance for valve control. Econ® engineers and recognized
distributors are happy to help you with your automation demands.
Up to date product featuresThe Econ® brand of products are designed according to today’s
standards and expectations that come from various agencies and
customer groups. Throughout its extensive product offering, Econ®
products have added features, which make them suitable for a wide
spectrum of applications.
Proven quality Quality is the driving force behind the Econ® brand of products. Econ®
has its own product development and engineering teams in order to
secure the high quality standards. An increasing number of customers
rely upon Econ® products because there is a high value to cost ratio.
This means that Econ® products are not only price competitive but also
perform as well as or better than more expensive products.
Econ® has been offering a wide variety of engineered products since 1892. By focusing on technical superiority
along with guaranteed quality, Econ® products are now sold in most of the major markets throughout the world.
Primary amongst the targeted market segments are the following:
• Chemical and Petrochemical • Original Equipment Manufacturing
• Marine • Pulp and Paper
• Mining • Water and Wastewater
• Oil and Gas
Proven quality since 1892
4 | Econ® Scotch Yoke actuators
Scotch Yoke actuators
Efficiency and long lifeEvery Econ® Scotch Yoke actuator is built to provide long end efficient
service with minimum maintenance. The design, engineering and
materials used in their construction ensure optimum performance
even in the harshest environments.
Econ® Scotch Yoke actuators are available with symmetric yokes.
A symmetric yoke provides more constant torque throughout - at both
the break points and end positions.
Symmetric Yoke Mechanism
Spring to close Spring to open
The center body’s chromium plated alloy steel guide bar minimizes the
transverse forces of the Scotch Yoke mechanism and ensures proper
alignment of the piston rod.
The enclosed weatherproof center body and end caps are sealed with
O-Rings, which protect the actuator against water ingress.
Econ®’s Scotch Yoke actuators have bidirectional pinion travel stops.
Bidirectional travel stops allow for ±10° travel adjustment between 80°
to 100°. These travel stops help absorb impact loads associated with
recommended travels speeds and prolong valve seat integrity.
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Flexible configurationsEcon® Scotch Yoke actuators are manufactured in many different
combinations of sizes, cylinder diameters, and designs. Both the double
acting Fig. 7992 and spring return Fig. 7991 designs are available for
installation on quarter turn valves such as ball, butterfly and plug valves.
Scotch Yoke actuators are designed for use over a wide range of pressures
or temperatures.
Econ® Scotch Yoke actuators are of modular design. A pneumatic or
hydraulic cylinder can be attached to either side or both sides. With a
large stock of finished and semi-finished components always available,
actuators can be assembled and supplied with very fast and reliable
deliveries.
Blind end caps
Spring module
Spring module with integral hydraulic override cylinder
Pneumatic Power Module
Hydraulic power module or override for hydraulic actuator module
Manual gear override
Pneumatic power module
Hydraulic power module or override for hydraulic actuator module
Pneumatic power module with extended travel stops
The module images displayed above are not representative for all module/components available. Functionality depends on module combinations. External coating is blue.
| 5
Fig. 7991 Spring return - Fig. 7992 Double actingScotch Yoke actuators
Control panels/cabinetsEcon® actuators can be provided with various control systems ranging from a simple setup, comprising a mounting plate with a filter-regulator and
solenoid valve, up to complex modulating control systems and full PLC controlled hydraulic power units (HPU).
Available options
Manual overrides
The manual override is an important requirement for many valve/actuator
applications. In case that air fails, the user will be able to open or close the
valve manually.
Econ® has a variety of override options available to meet any requirement.
Available options include jackscrew or hydraulic manual override. We also
offer solutions in Tank Reservoir Systems and Hydraulic Power Units (HPUs.)
Automated valve packages
We have engineering and integration professionals in our facilities with
extensive knowledge in automation and control as well as applications in all
upstream and downstream process industries. They are able to understand
the unique need of our clients to create specific automated valve packages
that are fit for the purpose.
Passive fire protection
Passive fire protection is a key issue in the safety of hydrocarbon process
plants. It is considered a reliable method to reduce plant fire risks. For this
matter, Econ® actuators can be customized to withstand exposure to fire
and very high temperatures. A full range of fire proof systems are available,
including protective jackets, intumescent coatings and stainless steel
enclosure systems. Meets UL 1709 requirements.
Performance specifications
Maximum allowable working pressure
• Hydraulic pressure: up to 135 bar (1,960 psi)
• Pneumatic pressure: up to 8 bar (120 psi)
Torque output
• Double acting (Fig. 7992): Up to 250,000 nm (2.2 million in-lb)
• Spring return (Fig. 7991): Up to 71,000 nm (628,000 in-lb)
Working temperatures
• Standard construction: -20°C to 80°C (-4°F to 176°F)
• Low temperature version: -50°C to 80°C (-58°F to 176°F)
• Extreme low temperature version: -60°C to 80°C (-76°F to 176°F)
• High temperature version: -20°C to 120°C (-4°F to 248°F)
Approvals and standards• ISO 9001:2008 quality assurance
• In accordance with pressure equipment directive (PED) 2014/68/EU,
Econ® Scotch Yoke actuators are classified as follows:
- F10-150 up to F14-200 - Category SEP
- F14-250 up to F16-350 - Category I
- F25-350 up to F40-600 - Category II
- F40-700 up to F60-900 - Category III
- F60-1000 up to F60-1100 - Category IV
• Classified for use in potentially explosive atmospheres as Group II
Category 2, suitable for Zones 1, 2, 21 and 22 in accordance with Annex
VIII of Directive 2014/34/EU (ATEX)
• Safety integrity rating IEC 61508 SIL 2 or SIL 3 in a redundant setup.
Jackscrew manual overrride (HW)
Hydraulic manual overrride (HY)
SIL 2Capable
Scotch Yoke actuators
| 7
Fig. 7991 Spring return - Fig. 7992 Double acting
12
11
9
10
6
6
5
6
7
8
Body Internal body parts
10 different sizes from F10 (500 Nm/ 4,416 in-lb) up to
F60 (250.000 Nm / 2.2 million in-lb)
Internal O-Rings to ensure water ingress protection.
NAMUR Standard for all sizes for assembly of switch
boxes and positioners.
Threaded parts on the front and the back side of the
body for easy assembly of a pneumatic control panel.
A vent check valve releases overpressure at the center
body while preventing the ingress of gas, corrosive
elements and water.
Dual roller type pinion reduces the friction between
the yoke arm and pin, minimizing wear.
A sintered PTFE metallic bearings protect the sliding
and rotating components, suitable for either dry or
lubricated working conditions.
A PTFE thrust bar prevents yoke pin axial movement,
transferring axial loads directly to the drive module
case.
A guide block connects the piston rod with the yoke,
and compensates for side load deflection thereby
reducing wear on rod, bearings and seals.
2
3
4
1
2
3
4
1
+
Pneumatic cylinder Spring module
6
7
8
5
Pneumatic cylinder
The inner surface of cylinder is coated with sintered
PTFE to reduce friction.
Pistons seals
Double sealing, with O-Ring and dynamic ring to
prevent metal to metal contact between the piston
and the cylinder.
Spring module
A safe spring lock prevents spring module detachment
from the drive module.
Hydraulic override
Internal hydraulic cylinder for manual pump
override.
9
10
11
12
6
32
4 29 36 5
215
12 9
4
37
34
31
24
3
29
25
8
33
31
2018
17
16
22
3230
14
2929
Item DescriptionMaterial
Item DescriptionMaterial
Standard Extreme low temperature Standard Extreme low temperature
1 Body Ductile iron A350 LF6 11 Spring cylinder Carbon steel A653
2 Piston Ductile iron A350 LF6 12 Center bar Alloy steel chromium plated AISI 630
3 Yoke Carbon steel A350 LF6 13 Tension rod Alloy steel chromium plated AISI 630
4 End cap Carbon steel A350 LF6 14 Center guide bar Alloy steel chromium plated AISI 630
5 Pneumatic cylinder Carbon steel A350 LF6 15 Sliding bearing AISI 304+PTFE AISI 304+PTFE
6 Body cover Ductile iron A350 LF6 16 Roller sliding bearing AISI 304+PTFE AISI 304+PTFE
7 Shaft cover Ductile iron A350 LF6 17 Roller Alloy steel AISI 630
8 Drive shaft Stainless steel AISI 304 18 Block washer Stainless steel AISI 304
9 Pin Alloy steel AISI 630 19 Spring Alloy steel High grade 50CrV
10 Guide strips PTFE PTFE 20 Guide block Ductile iron A536 A350 LF6
Scotch Yoke actuators
8 | Econ® Scotch Yoke actuators
31
7
29
29
10
10
23
26
27
28
20
13
1
34
32
31
11
19
21
31
29
29
Item DescriptionMaterial
Item DescriptionMaterial
Standard Extreme low temperature Standard Extreme low temperature
21 Cover plate A350 LF6 A653 31 Bolt Carbon steel AISI 304
22 Sliding bearing AISI 304+PTFE AISI 304+PTFE 32 Nut Carbon steel AISI 304
23 Spring seat Carbon steel A350 LF6 33 Drive shaft nut Carbon steel AISI 304
24 Sliding bearing AISI 304+PTFE AISI 304+PTFE 34 Center bar nut Carbon steel AISI 304
25 Sliding bearing AISI 304+PTFE AISI 304+PTFE 35 Tension rod nut Carbon steel AISI 304
26 Sliding bearing AISI 304+PTFE AISI 304+PTFE 36 Stud Carbon steel AISI 304
27 Piston Carbon steel A350 LF6 37 Washer Carbon steel AISI 304
28 Hydraulic cylinder Carbon steel A350 LF6
29 O-Ring 1 NBR - Buna - N Silicone
30 Adjustment bolt Carbon steel AISI 304
1 FPM for high temperature version and Silicone for low temperature and extreme low temperature versions. Materials subject to change without notice and are dependent on application requirements. Please contact your distributor for more information.
Scotch Yoke actuators
| 9
Fig. 7991 Spring return - Fig. 7992 Double acting
Air inlet
Air exhaust
Air cylinder capacities - metric units (L)
Spring return actuator with pneumatic power module
Air volume opening
Body size Cylinder size Volume (L)
F10150 1,80
170 2,20
F12170 2,67
200 3,70
F14
200 4,00
250 6,40
300 9,20
F16
250 8,00
300 11,50
350 15,50
F25
350 19,00
400 25,00
450 32,00
F30
450 38,00
500 47,00
550 57,00
F35
550 72,00
600 86,00
700 118,00
F40
600 104,00
700 143,00
800 186,00
F48
800 216,00
900 274,00
1000 338,00
F60
800 291,00
900 369,00
1000 455,00
1100 551,00
Air volume closed
Body size Cylinder size Volume (L)
F10150 1,85
170 2,27
F12170 2,75
200 3,78
F14
200 4,10
250 6,50
300 9,50
F16
250 8,13
300 11,63
350 15,63
F25
350 19,20
400 25,20
450 32,20
F30
450 38,40
500 47,40
550 57,40
F35
550 72,70
600 86,70
700 118,70
F40
600 105,40
700 144,40
800 187,40
F48
800 218,00
900 276,00
1000 340,00
F60
800 295,00
900 373,00
1000 459,00
1100 555,00
Air inlet size
Cylinder size Air inlet size (NPT)
150 3/8”
170 3/8”
200 3/8”
250 1/2”
300 1/2”
350 1/2”
400 3/4”
450 3/4”
500 3/4”
550 3/4”
600 1”
700 1”
800 1-1/2”
900 2”
1000 2”
1100 2”
Scotch Yoke actuators
10 | Econ® Scotch Yoke actuators
Air cylinder capacities - imperial units (in3)
Air volume opening
Body size Cylinder size Volume (in3)
F10150 109.84
170 134.25
F12170 162.93
200 225.79
F14
200 244.09
250 390.55
300 561.42
F16
250 488.19
300 701.77
350 945.87
F25
350 1,159.45
400 1,525.59
450 1,952.76
F30
450 2,318.90
500 2,868.12
550 3,478.35
F35
550 4,393.71
600 5,248.04
700 7,200.80
F40
600 6,346.47
700 8,726.40
800 11,350.42
F48
800 13,181.13
900 16,720.51
1000 20,626.03
F60
800 17,757.91
900 22,517.76
1000 27,765.80
1100 33,624.08
Air volume closed
Body size Cylinder size Volume (in3)
F10150 112.89
170 138.52
F12170 167.82
200 230.67
F14
200 250.20
250 396.65
300 579.73
F16
250 496.12
300 709.71
350 953.80
F25
350 1,171.66
400 1,537.80
450 1,964.96
F30
450 2,343.31
500 2,892.53
550 3,502.76
F35
550 4,436.43
600 5,290.76
700 7,243.52
F40
600 6,431.90
700 8,811.83
800 11,435.85
F48
800 13,303.18
900 16,842.55
1000 20,748.07
F60
800 18,002.00
900 22,761.86
1000 28,009.90
1100 33,868.18
Air inlet size
Cylinder size Air inlet size (NPT)
150 3/8”
170 3/8”
200 3/8”
250 1/2”
300 1/2”
350 1/2”
400 3/4”
450 3/4”
500 3/4”
550 3/4”
600 1”
700 1”
800 1-1/2”
900 2”
1000 2”
1100 2”
Spring return actuator with optional hydraulic power module
Oil inletOil outlet
Scotch Yoke actuators
| 11
Fig. 7991 Spring return - Fig. 7992 Double acting
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Highlighted (grey cells) torque values exceed the maximum torque per ISO 5211.
Scotch Yoke actuators
12 | Econ® Scotch Yoke actuators
Double acting actuator - Fig. 7992 Torque output - metric units (Nm)
Flange Cylinder size
Double acting actuator - Torque output in Newton meters (Nm)
3 barg 4 barg 5 barg 6 barg 7 barg
Start-end Running Start-end Running Start-end Running Start-end Running Start-end Running
F10150 293 176 391 235 489 293 586 352 - -
170 379 227 506 304 632 378 760 455 - -
F12170 474 283 632 378 791 472 949 567 - -
200 661 396 881 529 1.101 661 1.321 792 - -
F14
200 822 499 1.096 665 1.370 831 1.643 997 1.918 1.163
250 1.285 779 1.713 1.039 2.141 1.299 - - - -
300 1.842 1.118 - - - - - - - -
F16
250 1.590 964 2.120 1.286 2.650 1.607 3.180 1.929 3.710 2.250
300 2.289 1.389 3.053 1.851 3.816 2.315 - - - -
350 3.116 1.890 4.155 2.521 - - - - - -
F25
350 3.847 2.333 5.130 3.112 6.412 3.890 7.695 4.668 - -
400 4.884 2.963 6.513 3.950 8.141 4.938 - - - -
450 6.183 3.750 8.244 5.001 - - - - - -
F30
450 7.556 4.583 10.074 6.111 12.328 7.478 15.112 9.167 - -
500 9.329 5.659 12.439 7.546 15.549 9.433 - - - -
550 11.289 6.848 15.052 9.131 - - - - - -
F35
550 14.367 8.715 19.156 11.621 23.944 14.526 28.734 17.431 33.523 20.337
600 17.098 10.372 22.798 13.830 28.496 17.287 34.196 20.746 - -
700 23.273 14.119 31.031 18.825 - - - - - -
F40
600 20.762 12.595 27.683 16.793 34.604 20.993 41.526 25.192 48.446 29.390
700 28.259 17.143 37.680 22.859 47.101 28.574 56.521 34.288 65.940 40.004
800 36.911 22.392 49.215 39.559 61.519 37.320 - - - -
F48
800 43.425 26.343 57.899 35.125 72.375 43.907 86.851 52.689 101.325 61.471
900 54.959 33.342 73.280 44.456 91.599 55.569 109.919 66.683 128.239 77.797
1000 67.852 41.163 90.470 54.885 113.087 68.606 - - - -
F60
800 58.624 35.174 78.166 46.899 97.707 58.625 117.248 71.130 136.789 82.985
900 74.196 45.011 98.928 60.016 123.659 75.020 148.392 90.024 173.124 105.028
1000 91.600 55.570 122.133 74.094 152.666 92.617 183.200 111.141 213.733 129.664
1100 110.835 67.240 147.781 89.653 184.726 112.067 221.671 134.480 258.616 156.893
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
H1
H2
ØD
L2L1
m1
m2
m3
A
Scotch Yoke actuators
| 13
Fig. 7991 Spring return - Fig. 7992 Double acting
Double acting actuator - Fig. 7992 Dimensions and weights - metric units (mm, kg)
Body size Cylinder size
Double acting actuator - Dimensions and weights (mm, kg)
L1 L2 H1 H2 ØD A m1 m2 m3 Weight
F10150 350 124 95 82 208 40 55 85 123 45
170 350 124 95 82 231 40 55 108 123 50
F12170 405 130 100 80 231 50 73 65 166 55
200 405 130 100 80 256 50 73 79 178 60
F14
200 423 165 114 87 256 60 89 68 188 75
250 423 165 114 87 310 60 89 95 215 82
300 423 165 114 87 365 60 89 122,5 242,5 96
F16
250 499 190 119 98 310 75 105 80 230 105
300 499 190 119 98 365 75 105 107,5 257,5 130
350 499 190 119 98 415 75 105 132,5 282,5 145
F25
350 582 222 130 104 415 90 150 117,5 297,5 195
400 582 222 130 104 465 90 150 172,5 322,5 210
450 582 222 130 104 516 90 150 168 348 245
F30
450 705 287 153 129 516 110 175 148 368 330
500 705 287 153 129 570 110 175 175 395 360
550 705 287 153 129 620 110 175 200 420 490
F35
550 832 326 165 149 620 140 207,5 170 450 520
600 832 326 165 149 670 140 207,5 195 475 560
700 832 326 165 149 772 140 207,5 246 526 650
F40
600 970 388 182 176 670 170 237,5 165 505 700
700 970 388 182 176 772 170 237,5 216 556 740
800 970 388 182 176 878 170 237,5 269 609 980
F48
800 1.130 440 230 222 878 200 280 239 639 1.210
900 1.130 440 230 222 980 200 280 290 690 1.650
1000 1.130 440 230 222 1.080 200 208 340 740 1.980
F60
800 1.420 3.150 240 225 878 270 343 169 709 1.490
900 1.420 3.150 240 225 980 270 343 220 760 1.930
1000 1.420 3.150 240 225 1.080 270 343 270 810 2.150
1100 1.420 3.150 240 225 1.180 270 343 320 860 2.370
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Spring return actuator - Fig. 7991 spring set 3 Torque output - metric units (Nm)
Flange Cylinder size
Spring return actuator SR3 - Torque output in Newton meters (Nm)
Torque output air pressure 3 barg Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 172 84 108 176 86 111
170 223 112 151 216 108 144
F12170 281 141 189 268 133 176
200 406 209 290 347 173 231
F14
200 518 258 315 506 251 304
250 783 399 503 781 398 501
300 1.182 609 782 1.068 538 667
F16
250 1.056 508 524 1.081 503 601
300 1.430 720 893 1.420 714 883
350 2.024 1.028 1.270 1.877 958 1.215
F25
350 2.323 1.242 1.551 2.227 1.141 1.455
400 3.058 1.558 1.884 2.966 1.501 1.876
450 3.736 1.879 2.325 3.920 1.993 2.509
F30
450 4.773 2.377 2.895 4.738 2.355 2.860
500 5.924 2.903 3.440 5.984 2.939 3.500
550 7.097 3.627 4.604 6.798 3.442 4.306
F35
550 9.167 4.523 5.425 9.088 4.475 5.346
600 10.958 5.371 6.366 10.906 5.338 6.314
700 14.692 7.408 9.205 14.305 7.168 8.818
F40
600 12.940 6.484 7.973 13.000 6.520 8.033
700 18.378 9.527 12.352 16.195 8.173 10.169
800 23.758 12.335 16.076 21.212 10.770 13.529
F48
800 27.651 14.001 17.514 26.353 13.197 16.217
900 34.901 17.644 22.015 33.506 16.779 20.619
1000 39.739 19.515 23.213 45.331 22.983 28.806
F60
800 35.441 18.195 21.587 36.432 18.293 22.577
900 47.388 23.465 28.306 46.647 23.006 27.564
1000 54.655 26.172 29.770 62.764 31.199 37.878
1100 63.242 34.913 33.877 78.089 34.505 48.725
Scotch Yoke actuators
14 | Econ® Scotch Yoke actuators
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Spring return actuator - Fig. 7991 spring set 3 Dimensions and weights - metric units (mm, kg)
Scotch Yoke actuators
| 15
Fig. 7991 Spring return - Fig. 7992 Double acting
Body size Cylinder size
Spring return actuator SR3 - Dimensions and weights (mm, kg)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 335 465 102 82 207 168 40 55 75 143,5 69
170 335 465 102 82 231 168 40 55 75 155,5 79
F12170 390 515 105 85 231 194 50 73 79 166 97
200 390 515 105 85 256 194 50 73 79 178 109
F14
200 442 619 114 87 256 219 60 89 68 188 115
250 439 619 114 87 310 273 60 89 95 215 142
300 439 619 114 87 365 273 60 89 122,5 242,5 166
F16
250 507 775 119 98 310 219 75 105 80 230 158
300 507 775 119 98 365 273 75 105 107,5 257,5 198
350 507 775 119 98 415 325 75 105 132,5 282,5 238
F25
350 587 940 138 112 415 273 90 150 117,5 297,5 280
400 590 940 138 112 456 325 90 150 172,5 322,5 321
450 603 940 138 112 516 325 90 150 168 348 362
F30
450 715 1.165 163 139 516 377 110 175 148 368 539
500 707 1.165 163 139 570 377 110 175 175 395 594
550 707 1.165 163 139 620 426 110 175 200 420 614
F35
550 842 1.511 180 177 620 426 140 207,5 170 450 838
600 844 1.511 180 177 670 508 140 207,5 195 475 987
700 847 1.511 180 177 772 508 140 207,5 246 526 1.130
F40
600 976 1.760 202 190 670 508 170 237,5 165 505 1.438
700 980 1.760 202 190 772 630 170 237,5 216 556 1.535
800 993 1.760 202 190 878 630 170 237,5 269 609 1.625
F48
800 1.140 2.305 238 227 878 630 200 280 239 639 2.180
900 1.153 2.305 238 227 980 730 200 280 290 690 2.800
1000 1.158 2.305 238 227 1.080 730 200 280 340 740 3.210
F60
800 1.405 3.100 240 225 878 630 270 343 169 709 2.910
900 1.416 3.100 240 225 980 730 270 343 220 760 3.700
1000 1.422 3.100 240 225 1.080 730 270 343 270 810 4.430
1100 1.422 3.100 240 225 1.180 730 270 343 320 860 4.780
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Spring return actuator - Fig. 7991 spring set 4 Torque output - metric units (Nm)
Flange Cylinder size
Spring return actuator SR4 - Torque output in Newton meters (Nm)
Torque output air pressure 4 barg Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 235 119 163 216 108 144
170 301 154 215 276 139 189
F12170 378 192 262 347 173 231
200 508 259 356 495 251 342
F14
200 664 338 424 672 343 432
250 1.045 525 644 1.068 538 667
300 1.529 785 1.005 1.462 744 939
F16
250 1.332 684 873 1.268 644 810
300 1.869 953 1.207 1.877 958 1.215
350 2.585 1.314 1.629 2.569 1.297 1.613
F25
350 3.161 1.689 2.071 2.966 1.502 1.876
400 4.071 2.086 2.659 3.920 1.993 2.509
450 5.358 2.722 3.421 4.905 2.441 2.969
F30
450 6.396 3.196 3.912 6.266 3.115 3.782
500 7.746 3.863 4.715 7.850 3.927 4.820
550 9.439 4.661 5.923 9.281 4.766 5.766
F35
550 11.945 5.928 7.178 12.174 6.070 7.406
600 14.212 7.111 8.725 14.305 7.169 8.818
700 19.913 10.039 12.468 18.878 9.396 11.434
F40
600 17.796 8.173 11.769 16.195 8.837 10.169
700 24.534 12.830 16.853 21.212 10.770 13.529
800 31.146 15.856 20.001 29.715 14.969 18.569
F48
800 37.871 19.223 24.985 33.506 16.779 20.619
900 45.220 22.915 28.696 45.331 23.111 28.806
1000 56.544 28.261 34.618 56.775 28.403 34.848
F60
800 51.399 25.952 32.316 46.647 23.006 27.564
900 62.058 30.761 37.173 62.764 31.199 37.878
1000 74.655 37.838 45.290 78.089 38.658 48.725
1100 91.694 45.276 54.357 94.932 47.283 57.595
Scotch Yoke actuators
16 | Econ® Scotch Yoke actuators
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Spring return actuator - Fig. 7991 spring set 4 Dimensions and weights - metric units (mm, kg)
Body size Cylinder size
Spring return actuator SR4 - Dimensions and weights (mm, kg)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 335 465 102 82 207 168 40 55 75 143,5 70
170 335 465 102 82 231 168 40 55 75 155,5 80
F12170 390 515 105 85 231 194 50 73 79 166 98
200 390 515 105 85 256 219 50 73 79 178 110
F14
200 442 619 114 87 256 219 60 89 68 188 120
250 439 619 114 87 310 273 60 89 95 215 150
300 439 619 114 87 365 273 60 89 122,5 242,5 166
F16
250 507 775 119 98 310 273 75 105 80 230 185
300 507 775 119 98 365 325 75 105 107,5 257,5 210
350 507 775 119 98 415 325 75 105 132,5 282,5 260
F25
350 587 940 138 112 415 325 90 150 117,5 297,5 310
400 590 940 138 112 456 325 90 150 172,5 322,5 345
450 603 940 138 112 516 325 90 150 168 348 376
F30
450 715 1.165 163 139 516 426 110 175 148 368 590
500 707 1.165 163 139 570 377 110 175 175 395 620
550 707 1.165 163 139 620 426 110 175 200 420 660
F35
550 842 1.511 180 177 620 508 140 207,5 170 450 930
600 844 1.511 180 177 670 508 140 207,5 195 475 1.050
700 847 1.511 180 177 772 508 140 207,5 246 526 1.180
F40
600 976 1.760 202 190 670 630 170 237,5 165 505 1.480
700 980 1.760 202 190 772 630 170 237,5 216 556 1.640
800 993 1.760 202 190 878 630 170 237,5 269 609 1.850
F48
800 1.140 2.305 238 227 878 630 200 280 239 639 2.360
900 1.153 2.305 238 227 900 730 200 280 290 690 3.100
1000 1.158 2.305 238 227 1.080 730 200 280 340 740 3.350
F60
800 1.405 3.100 240 225 878 630 270 343 169 709 3.270
900 1.416 3.100 240 225 980 730 270 343 220 760 4.206
1000 1.422 3.100 240 225 1.080 730 270 343 270 810 4.920
1100 1.244 3.100 240 225 1.180 730 270 343 220 860 5.180
Scotch Yoke actuators
| 17
Fig. 7991 Spring return - Fig. 7992 Double acting
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Scotch Yoke actuators
18 | Econ® Scotch Yoke actuators
Spring return actuator - Fig. 7991 spring set 5 Torque output - metric units (Nm)
Flange Cylinder size
Spring return actuator SR5 - Torque output in Newton meters (Nm)
Torque output air pressure 5 barg Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 285 145 199 276 139 189
170 368 186 253 360 182 245
F12170 454 228 304 458 230 308
200 637 312 406 658 326 427
F14
200 868 451 588 781 398 501
250 1.334 664 810 1.332 663 807
300 1.889 965 1.223 1.861 947 1.194
F16
250 1.675 872 1.139 1.537 787 1.001
300 2.414 1.201 1.457 2.397 1.190 1.440
350 3.183 1.727 2.085 3.162 1.621 2.064
F25
350 3.788 2.024 2.376 3.920 1.993 2.509
400 5.256 2.658 3.318 4.905 2.441 2.969
450 6.720 3.368 4.146 6.263 3.086 3.689
F30
450 7.813 3.961 4.873 7.850 3.928 4.820
500 9.942 5.074 6.425 9.281 4.665 5.766
550 11.985 6.100 7.694 11.312 5.684 7.021
F35
550 15.372 7.830 9.884 14.305 7.169 8.818
600 18.144 8.967 10.785 18.003 8.881 10.644
700 25.215 12.639 15.558 23.625 11.654 13.968
F40
600 21.428 10.904 13.745 21.212 10.770 13.529
700 29.011 14.529 17.866 29.715 14.969 18.569
800 40.684 21.006 27.076 35.071 17.525 21.462
F48
800 44.307 22.348 27.782 45.331 22.982 28.806
900 57.686 28.968 35.760 56.775 28.403 34.848
1000 72.048 36.388 45.334 68.906 34.441 42.192
F60
800 60.825 29.997 35.939 62.764 31.200 37.878
900 76.197 38.139 46.832 78.089 39.313 48.725
1000 96.629 48.336 59.292 94.932 47.283 57.595
1100 115.566 59.189 75.366 111.245 56.510 71.046
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Body size Cylinder size
Spring return actuator SR5 - Dimensions and weights (mm, kg)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 335 465 102 82 207 168 40 55 75 143,5 71
170 335 465 102 82 231 194 40 55 75 155,5 81.5
F12170 390 515 105 85 231 219 50 73 79 166 100
200 390 515 105 85 256 219 50 73 79 178 112
F14
200 442 619 114 87 256 273 60 89 68 188 140
250 439 619 114 87 310 273 60 89 95 215 159
300 439 619 114 87 365 325 60 89 122,5 242,5 195
F16
250 507 775 119 98 310 273 75 105 80 230 194
300 507 775 119 98 365 325 75 105 107,5 257,5 232
350 507 775 119 98 415 325 75 105 132,5 282,5 278
F25
350 587 940 138 112 415 325 90 150 117,5 297,5 332
400 590 940 138 112 456 325 90 150 172,5 322,5 358
450 603 940 138 112 516 377 90 150 168 348 408
F30
450 715 1.165 163 139 516 377 110 175 148 368 606
500 707 1.165 163 139 570 426 110 175 175 395 676
550 707 1.165 163 139 620 508 110 175 200 420 750
F35
550 842 1.511 180 177 620 508 140 207,5 170 450 995
600 844 1.511 180 177 670 508 140 207,5 195 475 1.110
700 847 1.511 180 177 772 630 140 207,5 246 526 1.405
F40
600 976 1.760 202 190 670 630 170 237,5 165 505 1.590
700 980 1.760 202 190 772 630 170 237,5 216 556 1.905
800 993 1.760 202 190 878 630 170 237,5 269 609 2.050
F48
800 1.140 2.305 238 227 878 730 200 280 239 639 2.680
900 1.153 2.305 238 227 980 730 200 280 290 690 3.310
1000 1.158 2.305 238 227 1.080 730 200 280 340 740 3.650
F60
800 1.405 3.100 240 225 878 730 270 343 169 709 3.770
900 1.416 3.100 240 225 980 730 270 343 220 760 4.340
1000 1.422 3.100 240 225 1.080 730 270 343 270 810 5.120
1100 1.422 3.100 240 225 1.180 730 270 343 320 860 5.530
Scotch Yoke actuators
| 19
Fig. 7991 Spring return - Fig. 7992 Double acting
Spring return actuator - Fig. 7991 spring set 5 Dimensions and weights - metric units (mm, kg)
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Highlighted (dark grey cells) torque values exceed the maximum torque per ISO 5211.
Scotch Yoke actuators
20 | Econ® Scotch Yoke actuators
Spring return actuator - Fig. 7991 spring set 6 Torque output - metric units (Nm)
Flange Cylinder size
Spring return actuator SR6 - Torque output in Newton meters (Nm)
Torque output air pressure 6 barg Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 325 160 209 360 182 245
170 436 214 276 460 228 300
F12170 547 268 343 560 274 355
200 768 382 506 770 383 509
F14
200 1.027 513 627 1.018 507 617
250 1.632 848 1.107 1.462 744 939
300 2.257 1.144 1.433 2.268 1.150 1.443
F16
250 1.998 1.033 1.335 1.877 958 1.215
300 3.014 1.572 2.056 2.569 1.297 1.613
350 3.875 2.081 2.477 3.819 1.934 2.422
F25
350 4.587 2.379 2.650 4.905 2.441 2.969
400 6.181 3.034 3.607 6.263 3.086 3.689
450 7.818 3.761 4.313 8.178 3.984 4.673
F30
450 9.502 4.802 5.986 9.281 4.665 5.766
500 11.842 6.003 7.537 11.312 5.684 7.021
550 14.547 7.259 8.867 13.939 6.882 8.261
F35
550 18.383 9.117 11.025 18.003 8.880 10.644
600 21.957 10.620 12.300 22.246 10.799 12.589
700 29.905 14.961 18.358 28.663 14.192 17.115
F40
600 25.289 12.671 15.316 26.364 13.337 16.660
700 35.635 17.875 22.026 35.071 17.525 21.462
800 45.569 22.593 28.306 47.265 23.644 29.007
F48
800 52.886 25.994 30.962 56.775 28.403 34.848
900 68.850 34.405 42.135 68.906 34.440 42.192
1000 85.632 41.828 55.235 81.853 41.326 51.456
F60
800 70.017 34.123 40.354 78.089 39.313 48.725
900 92.311 45.658 54.974 94.932 47.283 57.595
1000 114.023 58.233 73.824 111.245 56.510 71.046
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Scotch Yoke actuators
| 21
Fig. 7991 Spring return - Fig. 7992 Double acting
Spring return actuator - Fig. 7991 spring set 6 Dimensions and weights - metric units (mm, kg)
Body size Cylinder size
Spring return actuator SR6 - Dimensions and weights (mm, kg)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 335 465 102 82 207 194 40 55 75 143,5 72
170 335 465 102 82 231 219 40 55 75 155,5 83
F12170 390 515 105 85 231 219 50 73 79 166 102
200 390 515 105 85 256 273 50 73 79 178 114
F14
200 442 619 114 87 256 273 60 89 68 188 149
250 439 619 114 87 310 273 60 89 95 215 168
300 439 619 114 87 365 325 60 89 122,5 242,5 206
F16
250 507 775 119 98 310 325 75 105 80 230 205
300 507 775 119 98 365 325 75 105 107,5 257,5 245
350 507 775 119 98 415 325 75 105 132,5 282,5 293
F25
350 587 940 138 112 415 325 90 150 117,5 297,5 345
400 590 940 138 112 456 377 90 150 172,5 322,5 395
450 603 940 138 112 516 426 90 150 168 348 450
F30
450 715 1.165 163 139 516 426 110 175 148 368 658
500 707 1.165 163 139 570 508 110 175 175 395 766
550 707 1.165 163 139 620 508 110 175 200 420 810
F35
550 842 1.511 180 177 620 508 140 207,5 170 450 1.065
600 844 1.511 180 177 670 630 140 207,5 195 475 1.330
700 847 1.511 180 177 772 630 140 207,5 246 526 1.550
F40
600 976 1.760 202 190 670 630 170 237,5 165 505 1.825
700 980 1.760 202 190 772 630 170 237,5 216 556 2.055
800 993 1.760 202 190 878 730 170 237,5 269 609 2.305
F48
800 1.140 2.305 238 227 878 730 200 280 239 639 2.850
900 1.153 2.305 238 227 980 730 200 280 290 690 3.580
1000 1.158 2.305 238 227 1.080 730 200 280 340 740 3.900
F60
800 1.405 3.100 240 225 878 730 270 343 169 709 3.890
900 1.416 3.100 240 225 980 730 270 343 220 760 4.710
1000 1.422 3.100 240 225 1.080 730 270 343 270 810 5.320
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Highlighted (darker grey cells) torque values exceed the maximum torque per ISO 5211.
Body
size
Cylinder
size
Double acting actuator - Torque output in inch pounds (in-lb)
40 psig 60 psig 80 psig 100 psig
Start-end Running Start-end Running Start-end Running Start-end Running
F10150 2,385 1,432 3,582 2,152 4,774 2,865 - -170 3,084 1,845 4,634 2,782 - - - -
F12170 3,859 2,303 5,790 3,462 7,727 4,614 9,567 5,729
200 5,383 3,222 8,069 4,845 10,731 6,442 - -
F14
200 6,690 4,063 10,039 6,093 13,383 8,116 16,704 10,133
250 10,464 6,344 15,689 9,513 20,916 12,686 - -300 14,992 9,098 22,477 13,64 - - - -
F16
250 12,942 7,851 19,417 11,777 25,892 15,703 32,320 19,600
300 18,639 11,307 27,962 16,958 37,295 22,645 46,572 28,278
350 25,374 15,392 38,061 23,088 - - - -
F25
350 31,325 18,998 46,991 28,501 62,651 38,004 78,241 47,46
400 39,767 24,120 59,658 36,185 79,562 48,261 - -450 50,341 30,536 75,511 45,816 - - - -
F30
450 61,519 37,319 91,951 55,779 121,915 73,954 161,832 98,176
500 75,952 46,069 113,939 69,119 151,907 92,159 - -550 91,911 55,759 137,880 83,626 183,899 111,537 - -
F35
550 116,974 70,957 175,464 106,443 233,948 141,923 292,015 177,153
600 139,212 84,451 208,821 126,677 278,423 168,907 347,681 210,922
700 189,489 114,956 284,234 172,422 - - - -
F40
600 169,046 102,548 253,570 153,823 338,097 205,110 422,012 256,016
700 230,085 139,577 345,14 209,379 460,191 279,176 574,401 348,468
800 300,551 182,33 450,838 292,182 601,118 376,972 - -
F48
800 353,565 214,486 530,345 321,738 707,135 428,99 882,636 535,465
900 447,479 271,466 671,221 407,203 894,957 542,933 1,117,079 677,686
1000 552,453 335,147 828,680 502,732 1,104,906 670,297 - -
F60
800 477,311 286,388 715,979 429,583 954,635 576,379 1,191,563 722,88
900 604,102 366,481 906,155 549,733 1,208,203 732,974 1,508,069 914,888
1000 745,803 452,449 1,118,712 678,681 1,491,614 904,906 1,861,814 1,129,493
1100 902,417 547,465 1,353,637 821,202 1,804,846 1,094,940 2,252,787 1,366,685
Scotch Yoke actuators
22 | Econ® Scotch Yoke actuators
Double acting actuator - Fig. 7992 Torque output - imperial units (in-lb)
H1
H2
ØD
L2L1
m1
m2
m3
A
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Body size Cylinder size
Double acting actuators - Dimensions and weights (in, lb)
L1 L2 H1 H2 ØD A m1 m2 m3 Weight
F10150 13.78 4.88 3.74 3.23 8.19 1.57 2.17 3.35 4.84 99
170 13.78 4.88 3.74 3.23 9.09 1.57 2.17 4.25 4.84 110
F12170 15.94 5.12 3.94 3.15 9.09 1.97 2.87 2.56 6.54 121
200 15.94 5.12 3.94 3.15 10.08 1.97 2.87 3.11 7.01 132
F14
200 16.65 6.50 4.49 3.43 10.08 2.36 3.50 2.68 7.40 165
250 16.65 6.50 4.49 3.43 12.20 2.36 3.50 3.74 8.46 181
300 16.65 6.50 4.49 3.43 14.37 2.36 3.50 4.82 9.55 212
F16
250 19.65 7.48 4.69 3.86 12.20 2.95 4.13 3.15 9.06 231
300 19.65 7.48 4.69 3.86 14.37 2.95 4.13 4.23 10.14 287
350 19.65 7.48 4.69 3.86 16.34 2.95 4.13 5.22 11.12 320
F25
350 22.91 8.74 5.12 4.09 16.34 3.54 5.91 4.63 11.71 430
400 22.91 8.74 5.12 4.09 18.31 3.54 5.91 6.79 12.70 463
450 22.91 8.74 5.12 4.09 20.31 3.54 5.91 6.61 13.70 540
F30
450 27.76 11.30 6.02 5.08 20.31 4.33 6.89 5.83 14.49 728
500 27.76 11.30 6.02 5.08 22.44 4.33 6.89 6.89 15.55 794
550 27.76 11.30 6.02 5.08 24.41 4.33 6.89 7.87 16.54 1,080
F35
550 32.76 12.83 6.50 5.87 24.41 5.51 8.17 6.69 17.72 1,146
600 32.76 12.83 6.50 5.87 26.38 5.51 8.17 7.68 18.70 1,235
700 32.76 12.83 6.50 5.87 30.39 5.51 8.17 9.69 20.71 1,433
F40
600 38.19 15.28 7.17 6.93 26.38 6.69 9.35 6.50 19.88 1,543
700 38.19 15.28 7.17 6.93 30.39 6.69 9.35 8.50 21.89 1,631
800 38.19 15.28 7.17 6.93 34.57 6.69 9.35 10.59 23.98 2,161
F48
800 44.49 17.32 9.06 8.74 34.57 7.87 11.02 9.41 25.16 2,668
900 44.49 17.32 9.06 8.74 38.58 7.87 11.02 11.42 27.17 3,638
1000 44.49 17.32 9.06 8.74 42.52 7.87 8.19 13.39 29.13 4,365
F60
800 55.91 124.02 9.45 8.86 34.57 10.63 13.50 6.65 27.91 3,285
900 55.91 124.02 9.45 8.86 38.58 10.63 13.50 8.66 29.92 4,255
1000 55.91 124.02 9.45 8.86 42.52 10.63 13.50 10.63 31.89 4,740
1100 55.91 124.02 9.45 8.86 46.46 10.63 13.50 12.60 33.86 5,225
Scotch Yoke actuators
| 23
Fig. 7991 Spring return - Fig. 7992 Double acting
Double acting actuator - Fig. 7992 Dimensions and weights - imperial units (in, lb)
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Body size Cylinder size
Spring return actuator SR3 - Torque output in inch pounds (in-lb)
Torque output air pressure 40 psig Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 1,400 669 822 1,558 761 982
170 1,816 892 1,149 1,912 956 1,274
F12170 2,288 1,123 1,438 2,372 1,177 1,558
200 3,306 1,665 2,207 3,071 1,531 2,044
F14
200 4,245 2,080 2,448 4,478 2,221 2,690
250 6,335 3,188 3,844 6,912 3,522 4,434
300 9,592 4,879 6,007 9,452 4,761 5,903
F16
250 8,661 4,085 3,952 9,567 4,452 5,319
300 11,572 5,750 6,820 12,567 6,319 7,815
350 16,574 8,301 9,901 16,611 8,478 10,753
F25
350 18,819 10,047 11,986 19,709 10,098 12,877
400 25,081 12,693 14,690 26,249 13,284 16,603
450 30,371 15,133 18,030 34,692 17,638 22,205
F30
450 39,182 19,183 22,186 41,931 20,842 25,311
500 48,685 23,484 26,442 52,958 26,010 30,975
550 57,681 29,196 35,711 60,162 30,462 38,108
F35
550 75,136 36,383 41,249 80,429 39,604 47,312
600 90,488 43,600 48,998 96,518 47,241 55,879
700 120,424 59,806 70,893 126,599 63,437 78,039
F40
600 106,912 53,044 62,836 115,050 57,702 71,092
700 150,880 77,873 98,339 143,326 72,331 89,996
800 194,884 100,655 127,687 187,726 95,315 119,732
F48
800 227,820 113,932 136,768 233,224 116,793 143,520
900 287,141 143,815 173,100 296,528 148,494 182,478
1000 321,977 155,946 176,675 401,179 203,400 254,933
F60
800 287,428 146,162 163,235 322,423 161,893 199,806
900 390,067 189,603 216,495 412,826 203,603 243,941
1000 443,167 207,707 220,788 555,461 276,111 335,220
1100 508,895 283,880 243,077 691,088 305,369 431,216
Scotch Yoke actuators
24 | Econ® Scotch Yoke actuators
Spring return actuator - Fig. 7991 spring set 3 Torque output - imperial units (in-lb)
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Scotch Yoke actuators
| 25
Fig. 7991 Spring return - Fig. 7992 Double acting
Spring return actuator - Fig. 7991 spring set 3 Dimensions and weights - imperial units (in, lb)
Body size Cylinder size
Spring return actuator SR3 - Dimensions and weights (in, lb)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 13.19 18.31 4.02 3.23 8.15 6.61 1.57 2.17 2.95 5.65 152
170 13.19 18.31 4.02 3.23 9.09 6.61 1.57 2.17 2.95 6.12 174
F12170 15.35 20.28 4.13 3.35 9.09 7.64 1.97 2.87 3.11 6.54 214
200 15.35 20.28 4.13 3.35 10.08 7.64 1.97 2.87 3.11 7.01 240
F14
200 17.40 24.37 4.49 3.43 10.08 8.62 2.36 3.50 2.68 7.40 254
250 17.28 24.37 4.49 3.43 12.20 10.75 2.36 3.50 3.74 8.46 313
300 17.28 24.37 4.49 3.43 14.37 10.75 2.36 3.50 4.82 9.55 366
F16
250 19.96 30.51 4.69 3.86 12.20 8.62 2.95 4.13 3.15 9.06 348
300 19.96 30.51 4.69 3.86 14.37 10.75 2.95 4.13 4.23 10.14 437
350 19.96 30.51 4.69 3.86 16.34 12.80 2.95 4.13 5.22 11.12 525
F25
350 23.11 37.01 5.43 4.41 16.34 10.75 3.54 5.91 4.63 11.71 617
400 23.23 37.01 5.43 4.41 17.95 12.80 3.54 5.91 6.79 12.70 708
450 23.74 37.01 5.43 4.41 20.31 12.80 3.54 5.91 6.61 13.70 798
F30
450 28.15 45.87 6.42 5.47 20.31 14.84 4.33 6.89 5.83 14.49 1,188
500 27.83 45.87 6.42 5.47 22.44 14.84 4.33 6.89 6.89 15.55 1,310
550 27.83 45.87 6.42 5.47 24.41 16.77 4.33 6.89 7.87 16.54 1,354
F35
550 33.15 59.49 7.09 6.97 24.41 16.77 5.51 8.17 6.69 17.72 1,847
600 33.23 59.49 7.09 6.97 26.38 20.00 5.51 8.17 7.68 18.70 2,176
700 33.35 59.49 7.09 6.97 30.39 20.00 5.51 8.17 9.69 20.71 2,491
F40
600 38.43 69.29 7.95 7.48 26.38 20.00 6.69 9.35 6.50 19.88 3,170
700 38.58 69.29 7.95 7.48 30.39 24.80 6.69 9.35 8.50 21.89 3,384
800 39.09 69.29 7.95 7.48 34.57 24.80 6.69 9.35 10.59 23.98 3,583
F48
800 44.88 90.75 9.37 8.94 34.57 24.80 7.87 11.02 9.41 25.16 4,806
900 45.39 90.75 9.37 8.94 38.58 28.74 7.87 11.02 11.42 27.17 6,173
1000 45.59 90.75 9.37 8.94 42.52 28.74 7.87 11.02 13.39 29.13 7,077
F60
800 55.31 122.05 9.45 8.86 34.57 24.80 10.63 13.50 6.65 27.91 6,415
900 55.75 122.05 9.45 8.86 38.58 28.74 10.63 13.50 8.66 29.92 8,157
1000 55.98 122.05 9.45 8.86 42.52 28.74 10.63 13.50 10.63 31.89 9,766
1100 55.98 122.05 9.45 8.86 46.46 28.74 10.63 13.50 12.60 33.86 10,538
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Scotch Yoke actuators
26 | Econ® Scotch Yoke actuators
Spring return actuator - Fig. 7991 spring set 4 Torque output - imperial units (in-lb)
Body size Cylinder size
Spring return actuator SR4 - Torque output in inch pounds (in-lb)
Torque output air pressure 60 psig Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 2,205 1,127 1,587 1,912 956 1,274
170 2,824 1,458 2,093 2,443 1,230 1,673
F12170 3,546 1,818 2,551 3,071 1,531 2,044
200 4,766 2,453 3,466 4,381 2,221 3,027
F14
200 6,214 3,175 4,088 5,947 3,036 3,823
250 9,869 5,005 6,367 9,452 4,761 5,903
300 14,411 7,446 9,785 12,939 6,584 8,310
F16
250 12,551 6,479 8,470 11,223 5,704 7,167
300 17,658 9,079 11,828 16,612 8,481 10,750
350 24,321 12,434 15,865 22,736 11,478 14,272
F25
350 29,704 15,806 19,954 26,249 13,291 16,603
400 38,179 19,625 25,538 34,696 17,637 22,202
450 50,130 25,691 33,284 43,413 21,603 26,276
F30
450 59,529 29,875 37,442 55,452 27,564 33,469
500 72,367 36,227 45,228 69,470 34,757 42,660
550 88,394 44,051 57,114 82,139 42,178 51,027
F35
550 111,901 56,258 70,752 107,740 53,717 65,545
600 132,805 67,155 85,210 126,595 63,442 78,039
700 186,821 95,357 122,811 167,073 83,155 101,187
F40
600 166,133 78,143 112,006 143,329 78,205 89,998
700 228,893 119,857 160,123 187,724 95,316 119,735
800 291,035 148,921 192,422 262,976 132,474 164,339
F48
800 350,886 179,102 236,838 296,524 148,490 182,476
900 424,536 216,193 277,342 401,180 204,528 254,933
1000 530,290 266,729 335,675 502,455 251,367 308,405
F60
800 475,595 242,474 311,403 412,824 203,600 243,938
900 582,482 291,613 364,393 555,462 276,110 335,224
1000 698,392 356,966 444,447 691,090 342,119 431,215
1100 861,477 430,696 537,125 840,149 418,458 509,718
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Scotch Yoke actuators
| 27
Fig. 7991 Spring return - Fig. 7992 Double acting
Spring return actuator - Fig. 7991 spring set 4 Dimensions and weights - imperial units (in, lb)
Body size Cylinder size
Spring return actuator SR4 - Dimensions and weights (in, lb)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 13.19 18.31 4.02 3.23 8.15 6.61 1.57 2.17 2.95 5.65 154
170 13.19 18.31 4.02 3.23 9.09 6.61 1.57 2.17 2.95 6.12 176
F12170 15.35 20.28 4.13 3.35 9.09 7.64 1.97 2.87 3.11 6.54 216
200 15.35 20.28 4.13 3.35 10.08 8.62 1.97 2.87 3.11 7.01 243
F14
200 17.4 24.37 4.49 3.43 10.08 8.62 2.36 3.50 2.68 7.40 265
250 17.28 24.37 4.49 3.43 12.20 10.75 2.36 3.50 3.74 8.46 331
300 17.28 24.37 4.49 3.43 14.37 10.75 2.36 3.50 4.82 9.55 366
F16
250 19.96 30.51 4.69 3.86 12.20 10.75 2.95 4.13 3.15 9.06 408
300 19.96 30.51 4.69 3.86 14.37 12.80 2.95 4.13 4.23 10.14 463
350 19.96 30.51 4.69 3.86 16.34 12.80 2.95 4.13 5.22 11.12 573
F25
350 23.11 37.01 5.43 4.41 16.34 12.80 3.54 5.91 4.63 11.71 683
400 23.23 37.01 5.43 4.41 17.95 12.80 3.54 5.91 6.79 12.70 761
450 23.74 37.01 5.43 4.41 20.31 12.80 3.54 5.91 6.61 13.70 829
F30
450 28.15 45.87 6.42 5.47 20.31 16.77 4.33 6.89 5.83 14.49 1,301
500 27.83 45.87 6.42 5.47 22.44 14.84 4.33 6.89 6.89 15.55 1,367
550 27.83 45.87 6.42 5.47 24.41 16.77 4.33 6.89 7.87 16.54 1,455
F35
550 33.15 59.49 7.09 6.97 24.41 20.00 5.51 8.17 6.69 17.72 2,050
600 33.23 59.49 7.09 6.97 26.38 20.00 5.51 8.17 7.68 18.70 2,315
700 33.35 59.49 7.09 6.97 30.39 20.00 5.51 8.17 9.69 20.71 2,601
F40
600 38.43 69.29 7.95 7.48 26.38 24.80 6.69 9.35 6.50 19.88 3,263
700 38.58 69.29 7.95 7.48 30.39 24.80 6.69 9.35 8.50 21.89 3,616
800 39.09 69.29 7.95 7.48 34.57 24.80 6.69 9.35 10.59 23.98 4,079
F48
800 44.88 90.75 9.37 8.94 34.57 24.80 7.87 11.02 9.41 25.16 5,203
900 45.39 90.75 9.37 8.94 35.43 28.74 7.87 11.02 11.42 27.17 6,834
1000 45.59 90.75 9.37 8.94 42.52 28.74 7.87 11.02 13.39 29.13 7,385
F60
800 55.31 122.05 9.45 8.86 34.57 24.80 10.63 13.50 6.65 27.91 7,209
900 55.75 122.05 9.45 8.86 38.58 28.74 10.63 13.50 8.66 29.92 9,273
1000 55.98 122.05 9.45 8.86 42.52 28.74 10.63 13.50 10.63 31.89 10,847
1100 48.98 122.05 9.45 8.86 46.46 28.74 10.63 13.50 8.66 33.86 11,420
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Scotch Yoke actuators
28 | Econ® Scotch Yoke actuators
Spring return actuator - Fig. 7991 spring set 5 Torque output - imperial units (in-lb)
Flange Cylinder size
Spring return actuator SR5 - Torque output in inch pounds (in-lb)
Torque output air pressure 80 psig Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 2,926 1,501 2,201 2,443 1,230 1,673
170 3,908 2,025 3,045 3,186 1,611 2,168
F12170 4,821 2,482 3,605 4,053 2,036 2,726
200 6,765 3,396 4,635 5,823 2,885 3,779
F14
200 8,932 4,688 6,498 6,912 3,522 4,434
250 14,148 7,259 9,746 11,788 5,868 7,142
300 20,239 10,547 14,465 16,470 8,381 10,567
F16
250 17,768 9,354 13,019 13,607 6,965 8,858
300 25,347 13,106 17,772 21,212 10,531 12,748
350 33,654 17,781 23,545 27,984 14,343 18,268
F25
350 40,738 21,271 27,702 34,696 17,637 22,202
400 54,574 28,290 38,512 43,413 21,606 26,276
450 68,858 35,515 47,992 55,425 27,310 32,645
F30
450 80,987 40,964 53,366 69,470 34,766 42,660
500 103,009 52,976 71,268 82,139 41,284 51,027
550 122,792 62,968 84,323 100,109 50,300 62,137
F35
550 157,899 82,325 112,938 126,595 63,442 78,039
600 186,710 95,686 128,160 159,328 78,599 94,204
700 262,200 136,173 185,953 209,084 103,140 123,616
F40
600 221,713 113,247 150,794 187,724 95,316 119,735
700 300,498 152,693 201,834 262,976 132,474 164,339
800 416,088 216,627 296,409 310,376 155,096 189,941
F48
800 464,634 236,909 314,847 401,180 203,389 254,933
900 601,511 306,021 405,334 502,455 251,367 308,405
1000 750,911 388,318 526,874 609,818 304,804 373,398
F60
800 637,728 323,070 425,472 555,462 276,119 335,224
900 787,385 406,310 549,561 691,090 347,919 431,215
1000 1,011,026 520,882 703,170 840,149 418,458 509,718
1100 1,192,908 613,955 826,564 984,521 500,115 628,760
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Body size Cylinder size
Spring return actuator SR5 - Dimensions and weights (in, lb)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 13.19 18.31 4.02 3.23 8.15 6.61 1.57 2.17 2.95 5.65 157
170 13.19 18.31 4.02 3.23 9.09 7.64 1.57 2.17 2.95 6.12 180
F12170 15.35 20.28 4.13 3.35 9.09 8.62 1.97 2.87 3.11 6.54 220
200 15.35 20.28 4.13 3.35 10.08 8.62 1.97 2.87 3.11 7.01 247
F14
200 17.40 24.37 4.49 3.43 10.08 10.75 2.36 3.50 2.68 7.40 309
250 17.28 24.37 4.49 3.43 12.20 10.75 2.36 3.50 3.74 8.46 351
300 17.28 24.37 4.49 3.43 14.37 12.80 2.36 3.50 4.82 9.55 430
F16
250 19.96 30.51 4.69 3.86 12.20 10.75 2.95 4.13 3.15 9.06 428
300 19.96 30.51 4.69 3.86 14.37 12.80 2.95 4.13 4.23 10.14 511
350 19.96 30.51 4.69 3.86 16.34 12.80 2.95 4.13 5.22 11.12 613
F25
350 23.11 37.01 5.43 4.41 16.34 12.80 3.54 5.91 4.63 11.71 732
400 23.23 37.01 5.43 4.41 17.95 12.80 3.54 5.91 6.79 12.70 789
450 23.74 37.01 5.43 4.41 20.31 14.84 3.54 5.91 6.61 13.70 899
F30
450 28.15 45.87 6.42 5.47 20.31 14.84 4.33 6.89 5.83 14.49 1,336
500 27.83 45.87 6.42 5.47 22.44 16.77 4.33 6.89 6.89 15.55 1,490
550 27.83 45.87 6.42 5.47 24.41 20.00 4.33 6.89 7.87 16.54 1,653
F35
550 33.15 59.49 7.09 6.97 24.41 20.00 5.51 8.17 6.69 17.72 2,194
600 33.23 59.49 7.09 6.97 26.38 20.00 5.51 8.17 7.68 18.70 2,447
700 33.35 59.49 7.09 6.97 30.39 24.80 5.51 8.17 9.69 20.71 3,097
F40
600 38.43 69.29 7.95 7.48 26.38 24.80 6.69 9.35 6.50 19.88 3,505
700 38.58 69.29 7.95 7.48 30.39 24.80 6.69 9.35 8.50 21.89 4,200
800 39.09 69.29 7.95 7.48 34.57 24.80 6.69 9.35 10.59 23.98 4,519
F48
800 44.88 90.75 9.37 8.94 34.57 28.74 7.87 11.02 9.41 25.16 5,908
900 45.39 90.75 9.37 8.94 38.58 28.74 7.87 11.02 11.42 27.17 7,297
1000 45.59 90.75 9.37 8.94 42.52 28.74 7.87 11.02 13.39 29.13 8,047
F60
800 55.31 122.05 9.45 8.86 34.57 28.74 10.63 13.50 6.65 27.91 8,311
900 55.75 122.05 9.45 8.86 38.58 28.74 10.63 13.50 8.66 29.92 9,568
1000 55.98 122.05 9.45 8.86 42.52 28.74 10.63 13.50 10.63 31.89 11,288
1100 55.98 122.05 9.45 8.86 46.46 28.74 10.63 13.50 12.60 33.86 12,192
Scotch Yoke actuators
| 29
Fig. 7991 Spring return - Fig. 7992 Double acting
Spring return actuator - Fig. 7991 spring set 5 Dimensions and weights - imperial units (in, lb)
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Scotch Yoke actuators
30 | Econ® Scotch Yoke actuators
Spring return actuator - Fig. 7991 spring set 6 Torque output - imperial units (in-lb)
Flange Cylinder size
Spring return actuator SR6 - Torque output in inch pounds (in-lb)
Torque output air pressure 80 psig Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 2,617 1,307 1,719 3,186 1,611 2,168
170 3,487 1,747 2,284 4,071 2,018 2,655
F12170 4,457 2,189 2,845 4,956 2,425 3,142
200 6,260 3,123 4,205 6,815 3,390 4,505
F14
200 8,271 4,192 5,156 9,009 4,487 5,460
250 13,051 6,921 9,160 12,939 6,584 8,310
300 18,389 9,345 11,886 20,072 10,178 12,771
F16
250 16,284 8,442 11,089 16,612 8,481 10,750
300 24,501 12,802 16,976 22,736 11,478 14,272
350 31,540 16,845 20,517 33,802 17,120 21,431
F25
350 37,484 19,437 22,454 43,413 21,606 26,276
400 49,852 24,725 30,118 37,902 27,310 32,645
450 63,172 30,686 36,276 72,379 35,256 41,354
F30
450 77,058 38,987 49,278 82,139 41,284 51,027
500 95,722 48,575 61,771 100,109 50,300 62,137
550 117,562 58,979 73,565 123,362 60,910 73,106
F35
550 148,734 74,307 92,083 159,328 78,591 94,204
600 177,079 86,374 102,840 196,880 95,570 111,411
700 241,395 121,214 151,402 253,672 125,596 151,469
F40
600 204,450 102,448 125,619 233,319 118,035 147,439
700 288,344 144,972 181,425 310,376 155,096 189,941
800 371,015 184,648 234,440 418,292 209,251 256,712
F48
800 429,786 211,892 256,917 502,455 251,367 308,405
900 556,179 279,019 347,982 609,818 304,795 373,398
1000 692,413 340,894 453,998 724,401 365,731 455,388
F60
800 570,804 280,885 341,864 691,090 347,919 431,215
900 750,412 373,715 460,940 840,149 418,458 509,718
1000 923,372 471,709 605,151 984,521 500,115 628,760
Scotch Yoke actuators
| 31
Fig. 7991 Spring return - Fig. 7992 Double acting
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Spring return actuator - Fig. 7991 spring set 6 Dimensions and weights - imperial units (in, lb)
Body size Cylinder size
Spring return actuator SR6 - Dimensions and weights (in, lb)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 13.19 18.31 4.02 3.23 8.15 7.64 1.57 2.17 2.95 5.65 159
170 13.19 18.31 4.02 3.23 9.09 8.62 1.57 2.17 2.95 6.12 183
F12170 15.35 20.28 4.13 3.35 9.09 8.62 1.97 2.87 3.11 6.54 225
200 15.35 20.28 4.13 3.35 10.08 10.75 1.97 2.87 3.11 7.01 251
F14
200 17.40 24.37 4.49 3.43 10.08 10.75 2.36 3.50 2.68 7.40 328
250 17.28 24.37 4.49 3.43 12.20 10.75 2.36 3.50 3.74 8.46 370
300 17.28 24.37 4.49 3.43 14.37 12.80 2.36 3.50 4.82 9.55 454
F16
250 19.96 30.51 4.69 3.86 12.20 12.80 2.95 4.13 3.15 9.06 452
300 19.96 30.51 4.69 3.86 14.37 12.80 2.95 4.13 4.23 10.14 540
350 19.96 30.51 4.69 3.86 16.34 12.80 2.95 4.13 5.22 11.12 646
F25
350 23.11 37.01 5.43 4.41 16.34 12.80 3.54 5.91 4.63 11.71 761
400 23.23 37.01 5.43 4.41 17.95 14.84 3.54 5.91 6.79 12.70 871
450 23.74 37.01 5.43 4.41 20.31 16.77 3.54 5.91 6.61 13.70 992
F30
450 28.15 45.87 6.42 5.47 20.31 16.77 4.33 6.89 5.83 14.49 1,451
500 27.83 45.87 6.42 5.47 22.44 20.00 4.33 6.89 6.89 15.55 1,689
550 27.83 45.87 6.42 5.47 24.41 20.00 4.33 6.89 7.87 16.54 1,786
F35
550 33.15 59.49 7.09 6.97 24.41 20.00 5.51 8.17 6.69 17.72 2,348
600 33.23 59.49 7.09 6.97 26.38 24.80 5.51 8.17 7.68 18.70 2,932
700 33.35 59.49 7.09 6.97 30.39 24.80 5.51 8.17 9.69 20.71 3,417
F40
600 38.43 69.29 7.95 7.48 26.38 24.80 6.69 9.35 6.50 19.88 4,023
700 38.58 69.29 7.95 7.48 30.39 24.80 6.69 9.35 8.50 21.89 4,530
800 39.09 69.29 7.95 7.48 34.57 28.74 6.69 9.35 10.59 23.98 5,082
F48
800 44.88 90.75 9.37 8.94 34.57 28.74 7.87 11.02 9.41 25.16 6,283
900 45.39 90.75 9.37 8.94 38.58 28.74 7.87 11.02 11.42 27.17 7,893
1000 45.59 90.75 9.37 8.94 42.52 28.74 7.87 11.02 13.39 29.13 8,598
F60
800 55.31 122.05 9.45 8.86 34.57 28.74 10.63 13.50 6.65 27.91 8,576
900 55.75 122.05 9.45 8.86 38.58 28.74 10.63 13.50 8.66 29.92 10,384
1000 55.98 122.05 9.45 8.86 42.52 28.74 10.63 13.50 10.63 31.89 11,729
Air running0˚ 90˚
Air break
Air end
Start End
Running0˚ 90˚
Air stroke
45˚Angular position
0˚Closed
90˚Open
Spring stroke Air stroke
Spring stroke
Spring running0˚ 90˚
Spring end
Spring break
45˚Angular position
0˚Closed
90˚Open
80°90°
100°
Torques available in 120 psig supply pressure. Notify factory for technical assistance.Highlighted (dark grey) torque values exceed the maximum torque per ISO 5211.
Scotch Yoke actuators
32 | Econ® Scotch Yoke actuators
Spring return actuator - Fig. 7991 spring set 6 (continued) Torque output - imperial units (in-lb)
Flange Cylinder size
Spring return actuator SR6 - Torque output in inch pounds (in-lb)
Torque output air pressure 100 psig Torque output springs
Air break Air running Air end Spring break Spring running Spring end
F10150 3,435 1,863 2,535 3,186 1,611 2,168
170 4,382 2,462 3,471 4,071 2,018 2,655
F12170 6,236 3,102 4,378 4,956 2,425 3,142
200 8,784 4,454 6,518 6,815 3,390 4,505
F14
200 10,856 5,973 7,605 9,009 4,487 5,460
250 16,404 9,754 13,920 12,939 6,584 8,310
300 25,731 13,240 18,292 20,072 10,178 12,771
F16
250 22,851 12,039 17,191 16,612 8,481 10,750
300 33,899 17,867 25,481 22,736 11,478 14,272
350 43,923 22,737 31,310 33,802 17,120 21,431
F25
350 53,357 27,627 38,067 43,413 21,606 26,276
400 65,911 34,636 47,818 37,902 27,310 32,645
450 84,395 43,289 59,508 72,379 35,256 41,354
F30
450 105,108 53,558 72,926 82,139 41,284 51,027
500 128,120 65,403 89,284 100,109 50,300 62,137
550 157,188 81,324 113,138 123,362 60,910 73,106
F35
550 200,184 104,234 146,320 159,328 78,591 94,204
600 233,903 119,764 164,209 196,880 95,570 111,411
700 320,576 164,460 226,078 253,672 125,596 151,469
F40
600 273,990 137,349 182,250 233,319 118,035 147,439
700 388,326 197,810 269,176 310,376 155,096 189,941
800 517,434 262,913 357,541 418,292 209,251 256,712
F48
800 593,201 297,431 395,505 502,455 251,367 308,405
900 741,872 380,610 523,239 609,818 304,795 373,398
1000 928,731 478,047 666,159 724,401 365,731 455,388
F60
800 801,741 415,300 579,317 691,090 347,919 431,215
900 1,037,546 536,423 745,753 840,149 418,458 509,718
1000 1,249,307 639,251 875,440 984,521 500,115 628,760
L2 L1
m1
m2
m3
A
ØD
ØDO H1
H2
Scotch Yoke actuators
| 33
Fig. 7991 Spring return - Fig. 7992 Double acting
Spring return actuator - Fig. 7991 spring set 6 Dimensions and weights - imperial units (in, lb)
Body size Cylinder size
Spring return actuator SR6 - Dimensions and weights (in, lb)
L1 L2 H1 H2 ØD ØDO A m1 m2 m3 Weight
F10150 13.19 18.31 4.02 3.23 8.15 7.64 1.57 2.17 2.95 5.65 159
170 13.19 18.31 4.02 3.23 9.09 8.62 1.57 2.17 2.95 6.12 183
F12170 15.35 20.28 4.13 3.35 9.09 8.62 1.97 2.87 3.11 6.54 225
200 15.35 20.28 4.13 3.35 10.08 10.75 1.97 2.87 3.11 7.01 251
F14
200 17.40 24.37 4.49 3.43 10.08 10.75 2.36 3.50 2.68 7.40 328
250 17.28 24.37 4.49 3.43 12.20 10.75 2.36 3.50 3.74 8.46 370
300 17.28 24.37 4.49 3.43 14.37 12.80 2.36 3.50 4.82 9.55 454
F16
250 19.96 30.51 4.69 3.86 12.20 12.80 2.95 4.13 3.15 9.06 452
300 19.96 30.51 4.69 3.86 14.37 12.80 2.95 4.13 4.23 10.14 540
350 19.96 30.51 4.69 3.86 16.34 12.80 2.95 4.13 5.22 11.12 646
F25
350 23.11 37.01 5.43 4.41 16.34 12.80 3.54 5.91 4.63 11.71 761
400 23.23 37.01 5.43 4.41 17.95 14.84 3.54 5.91 6.79 12.70 871
450 23.74 37.01 5.43 4.41 20.31 16.77 3.54 5.91 6.61 13.70 992
F30
450 28.15 45.87 6.42 5.47 20.31 16.77 4.33 6.89 5.83 14.49 1,451
500 27.83 45.87 6.42 5.47 22.44 20.00 4.33 6.89 6.89 15.55 1,689
550 27.83 45.87 6.42 5.47 24.41 20.00 4.33 6.89 7.87 16.54 1,786
F35
550 33.15 59.49 7.09 6.97 24.41 20.00 5.51 8.17 6.69 17.72 2,348
600 33.23 59.49 7.09 6.97 26.38 24.80 5.51 8.17 7.68 18.70 2,932
700 33.35 59.49 7.09 6.97 30.39 24.80 5.51 8.17 9.69 20.71 3,417
F40
600 38.43 69.29 7.95 7.48 26.38 24.80 6.69 9.35 6.50 19.88 4,023
700 38.58 69.29 7.95 7.48 30.39 24.80 6.69 9.35 8.50 21.89 4,530
800 39.09 69.29 7.95 7.48 34.57 28.74 6.69 9.35 10.59 23.98 5,082
F48
800 44.88 90.75 9.37 8.94 34.57 28.74 7.87 11.02 9.41 25.16 6,283
900 45.39 90.75 9.37 8.94 38.58 28.74 7.87 11.02 11.42 27.17 7,893
1000 45.59 90.75 9.37 8.94 42.52 28.74 7.87 11.02 13.39 29.13 8,598
F60
800 55.31 122.05 9.45 8.86 34.57 28.74 10.63 13.50 6.65 27.91 8,576
900 55.75 122.05 9.45 8.86 38.58 28.74 10.63 13.50 8.66 29.92 10,384
1000 55.98 122.05 9.45 8.86 42.52 28.74 10.63 13.50 10.63 31.89 11,729
Scotch Yoke actuators
34 | Econ® Scotch Yoke actuators
Valve automation products
Rack & Pinion pneumatic actuators
• Compact pneumatic double acting or spring return actuators with aluminum housing
• 14 Different sizes and variety of spring combinations
• Bidirectional travel stops
• Output torques up to 6,421 Nm (56,831 in-lb)
• ATEX, SIL 2, CE certifications (SIL 3 in redundant configuration)
• Mounting arrangement and design comply to NAMUR VDI/VDE 3845
and ISO 5211 standards
• Anti-corrosive passivation systems: Full polyurethane, PTFE coated or nickel plated
• Fig. 7901 and 7902 (metric) of Fig. 7951 and 7952 (imperial)
Electric actuator
• Torque range from 80 to 3,000 Nm (690 to 25,900 in-lb)
• Standard weatherproof enclosure (IP67, NEMA 4, 4x & 6)
• Optional water tight enclosure IP68 -10m/72h
• Optional explosion proof enclosure (Exd II BT4Gb or II2G)
• Standardized ISO 5211 mounting flange
• Open/close limit and torque switches
• Manual override
• Self locking gear train
• Mechanical stops (adjustable)
• Optional proportional control card
• 115VAC/230VAC/380VAC/440VAC/24VAC-DC power
• Fig. 7907
Dual inductive proximity sensors
• Double sensors with two detection services (for the open position and the closed position)
• Direct, rapid installation on Econ® actuators and hand operated ball valves
• Various switching elements: 2 or 3 wire DC, NAMUR, AS interface and AC/DC
• Available with a junction box, connector or moulded cable
• Reliable in wet and dirty environments; EX models available
• Fig. 79654, 79656, 79657 and 79658
Limit switch boxes
• For general purpose or explosion proof applications
• Micro mechanical switches or inductive switches
• Red and yellow visual position indicators
• ATEX certified
• Econ® brand or customer preference
• Compatible with 3-way valves using a custom visual position indicator
• Fig. 79651, 79652 and 79653
Hydraulic helical actuator
• Extremely compact
• High output torque up to 16.200Nm (143,400 in-lb)
• Single and double acting versions
• Heavy duty
• High operational safety
• Modular design for easy mounting of accessories, like limit switches
or visual open close indication
• Optional Hydraulic Positive Position Indication (HPPI), instead of limit switches
• Modular design for additional hydraulic functionality
• Water tight enclosure
• ISO 5211 mounting flange
• Optional submersible enclosure up to 20 meters
• Optional electro-hydraulic version
• Optional CAN-open fieldbus communication for electro-hydraulic actuators
• Fig. 21201, 21202 and 21204
SIL 2Capable
Scotch Yoke actuators Spring return - Double acting
| 33
Econ® Fig. 7991 and Fig. 7992 product code matrix
Cylinder Spring Spring Manual Special
Type Body size size set/DA function Version override instruction
SY X X X X X X X X X X X X X X X X X
Size Code
Size F10 F10
Size F12 F12
Size F14 F14
Size F16 F16
Size F25 F25
Size F30 F30
Size F35 F35
Size F40 F40
Size F48 F48
Size F60 F60
Springs Code
Spring set 3 SR3
Spring set 4 SR4
Spring set 5 SR5
Spring set 6 SR6
Double acting DA
Special Code
to be defined XXX
Cylinder size Code
Size 150 150
Size 170 170
Size 200 200
Size 250 250
Size 300 300
Size 350 350
Size 400 400
Size 450 450
Size 500 500
Size 550 550
Size 600 600
Size 700 700
Size 800 800
Size 900 900
Size 1000 100
Size 1100 110
Type Code
Pneumatic SY01
Hydraulic SY02
Man. override Code
No override blank
Hydraulic Y
Jackscrew W
Execution Code
Low temperature L
High temperature H
Standard temp. Blank
Extreme low temp. E
Spring function Code
Double acting Blank
Fail-open O
Fail-closed C
SY 0 1 F 1 2 3 0 0 D A L
Examples
SY-F12-300-DA-L
SY 0 1 F 2 5 5 5 0 S R 6 C L Y
SY-F25-550-SR6-C-L-Y
Valve Automation CentreThe ERIKS Flow Control Valve Automation Centre in the Netherlands has a
state of the art workshop in which well trained technicians mount pneumatic,
hydraulic and electric actuators on valves. Valves and actuators can be modified
according to customer specifications and be equipped with options such as
valve positioners, limit switches, pilot valves and more. Five pressure test
benches allow testing of valves up to DN1200/48”. The applicable standards
are API 598 and EN 12266 and any other customer specified protocols can
additionally be performed.
Engineering• Working out customer-specific requirements.
• Product engineering and design.
• Product development support.
• Providing 2D and 3D assembly drawings.
• Supplying 3D CAD models.
Workshops• Modern workshops of more than 5000 m2.
• Facilitating of large and complex projects.
• Automating and modifying of valves.
• Mounting, adjusting and modifying according
to customer-specific requirements.
Logistics• More than 2 million products from stock.
• Automated delivery of products.
• International presence in 24 countries.
Testing• Large test facilities.
• Pressure testing of valves up to DN1200/48”.
• Maximum test pressure 1200 bar.
Largest stockist of valves and actuators in Europe.
ERIKST +44 (0)116 272 7300
[email protected] www.eriks.co.uk
ERIKST +31 (0)72 514 18 00
EconostoT +31 (0)10 284 11 00
ERIKST +32 (0)3 829 28 20
EconostoT +32 (0)3 360 93 70
ERIKST +33 (0)1 34 82 10 00
The Netherlands Belgium France United Kingdom