Single Acting Spring Return Pneumatic Actuators

Featuring Kinetrol’s highly reliable, low stress range, clock type spring units, our spring return single acting rotary actuators offer the safest fail-safe operation, ideal for your critical applications. Having the lowest torque loss, typically only 20% through 90°, it enables the selection of smaller sized actuators when compared with typical rack & pinion actuators.

Features

GENERAL SPECIFICATION

Get all the information you need about the materials we use to manufacture our Kinetrol actuators, including casings, vanes and much more. You can also find details about the different working temperature ranges and working pressure.

Download General Specification

TORQUE OUTPUTS

Establish which spring return actuator model from Kinetrol’s extensive range meets your application requirements. Check the spring return single acting torque outputs at different line pressures in either metric (Nm) or English units (lbf ins).

Download Torque Outputs

ORDERING CODES

Find which Kinetrol vane type spring return single acting actuator you need to order. Using our comprehensive ordering code table, you can specify the actuator product code you require. You can find the details in this PDF.

Download Ordering Codes

CONTROL UNITS & TOP-MOUNT ACCESSORIES

Discover how Kinetrol’s modular concept helps you build the exact control assembly needed for your application, be it positioner, limit switch box, or indicator. Also, find how our top-mount accessory build arrangements allow for direct mount capability, removing the need for external piping.

Download Top-Mount Accessories

SINGLE ACTING SPRING RETURN DIMENSIONS

Kinetrol has an extensive range of male and ISO flange female spring return rotary actuators to fulfil all your needs. Download the PDF to check models’ dimensions in metric and English units.

Download Spring Return Dimensions

ISO/DIN

ISO flange female spring return actuators are also available, giving a direct mount interface for most valves. Depending on the model, choose either star or serrated drives.

Download ISO/DIN

Search by output using our interactive table or view all Models below

Torque Codes (Output shown in Nm)

Metric

Imperial

Actuator Model Position of air OR spring return stroke Pressure (bar)
2.8 3.1 3.5 3.8 4.1 4.5 4.8 5.2 5.5
Model 01 – SR Start
Finish
1.5
0.9
1.7
1.1
1.9
1.5
2.3
1.8
Model 02 – SR Start
Finish
3.0
1.4
3.4
1.7
3.6
2.0
3.8
2.4
4.2
2.8
4.4
3.3
4.7
3.7
Model 03 – SR Start
Finish
6.3
4.1
6.9
4.7
7.5
5.5
8.1
6.4
8.9
7.2
9.5
7.8
10.3
8.7
Model 05 – SR Start
Finish
13.0
8.5
14.1
9.6
15.3
11.3
16.4
13.0
18.1
14.7
19.2
15.8
20.9
17.5
Model 07 – SR Start
Finish
30.5
19.8
33.9
23.7
37.3
27.1
40.7
30.5
43.5
34.4
46.9
38.4
50.8
42.4
Model 08 – SR Start
Finish
52.7
36.8
57.2
41.3
61.7
45.8
67.2
45.8
72.7
56.9
77.0
61.2
81.3
65.5
Model 09 – SR Start
Finish
61.0
50.3
67.8
56.5
74.6
63.8
81.9
71.2
89.3
79.1
96.6
86.4
104.0
93.8
Model 10 – SR Start
Finish
107.0
78.0
115.5
90.0
124.0
102.0
136.0
114.6
145.0
124.0
155.9
134.9
164.0
143.0
Model 12 – SR Start
Finish
145.0
111.0
160.0
127.0
176.0
142.0
191.0
158.0
206.0
174.0
221.0
189.0
238.0
204.0
Model 14 – SR Start
Finish
374.0
249.0
408.0
290.0
442.0
330.0
479.0
367.0
517.0
406.0
554.0
443.0
588.0
478.0
Model 15 – SR Start
Finish
614.0
392.0
680.0
392.0
752.0
522.0
801.0
590.0
848.0
590.0
914.0
723.0
962.0
790.0
Model 16 – SR Start
Finish
864.0
576.0
939.0
660.0
1004.0
742.0
1097.0
832.0
1165.0
906.0
1256.0
1002.0
1321.0
1081.0
Model 18 – SR Start
Finish
1457.0
874.0
1637.0
1036.0
1875.0
1250.0
2053.0
1441.0
2206.0
1630.0
2426.0
1840.0
2585.0
2011.0
2800.0
2234.0
2954.0
2417.0
Model 21 – SR Start
Finish
4121.0
3046.0
4514.0
3423.0
4798.0
3732.0
5181.0
4133.0
5456.0
4464.0
Model 30 – SR Start
Finish
6771.0
5134.0
7179.0
5598.0
7772.0
6200.0
8184.0
6696.0
Model 60 – SR Start
Finish
14001.0
11689.0
15145.0
12644.0
16313.0
13619.0
17437.0
14558.0

Search by output using our interactive table or view all Models below

Torque codes (outputs shown in lbf/ins)

Metric

Imperial

Actuator Model Position of air OR spring return stroke Pressure (lbf/ins)
40 45 50 55 60 65 70 75 80
Model 01 – SR Start
Finish
13
8
15
10
17
13
20
16
Model 02 – SR Start
Finish
27
12
30
15
32
18
34
21
37
25
39
29
42
33
Model 03 – SR Start
Finish
56
37
61
41
66
49
71
56
79
64
84
69
91
77
Model 05 – SR Start
Finish
115
75
125
85
135
100
145
115
160
130
170
140
185
155
Model 07 – SR Start
Finish
270
175
300
210
330
240
360
270
385
305
415
340
450
375
Model 08 – SR Start
Finish
466
326
506
366
546
406
595
455
644
504
682
542
720
580
Model 09 – SR Start
Finish
540
445
600
500
660
565
725
330
790
700
855
765
925
830
Model 10 – SR Start
Finish
950
690
1025
795
1100
900
1190
1000
1280
1100
1365
1185
1450
1270
Model 12 – SR Start
Finish
1280
985
1415
1125
1555
1260
1690
1400
1825
1540
1960
1670
2110
1810
Model 14 – SR Start
Finish
3310
2205
3610
2570
3915
2920
4240
3250
4580
3595
4900
3920
5200
4230
Model 15 – SR Start
Finish
5434
3469
6018
4098
6656
4620
7089
5222
7505
5806
8090
6399
8514
6992
Model 16 – SR Start
Finish
7646
5098
8310
5841
8885
6567
9708
7363
10310
8018
11116
8868
11691
9567
Model 18 – SR Start
Finish
12894
7735
14487
9169
16594
11063
18169
12753
19523
14426
21470
16284
22877
17797
24780
19771
26143
21390
Model 21 – SR Start
Finish
36471
26957
39949
30294
42462
33028
45852
36577
48286
39506
Model 30 – SR Start
Finish
59923
45436
63693
49542
68782
54870
72428
59260
Model 60 – SR Start
Finish
123872
103416
134045
111909
144379
120537
154333
128847