Architect/Engineer approval
Job Name Date
Model Specified Quantity
Variations Specified
Customer/Wholesaler
Contractor
Architect
Note: Information subject to change without notice.
ALPHA SERIES
Pneumatic Rotary
Actuator
Description
The Jomar Alpha Series rotary pneumatic actuators are
designed for use with quarter-turn ball, butterfly and plug
valves as well as damper applications. The Alpha Series
actuator incorporates the latest technology in design and
engineering. It is deisgned for high-cycle applications
and can be utilized in hazardous and corrosive
environments.
Features
• Hard anodized extruded aluminum body construction
with both internal and external corrosion protection,
having precision honed cylinder surfaces for longer
life and low coefficient of friction
• Dual rack and piston design with multiple bearings
and guides resulting in low friction and high cycle life,
including blow-out proof output shaft design
• Modular type, epoxy coated spring design offers a wide
torque range, greater safety, corrosion resistance and
an extended life cycle
• Precisely machined pistons and pinions to provide
for extremely precise rack and pinion engagement
resulting in greater efficiency
• Completely O-ring sealed to prevent outside
contamination
• Stainless steel fasteners for long term corrosion
resistance
• Manufactered to fully conform to ISO5211 & DIN3337
• Namur interface mounting of solenoid valves, limit
switches and positioners
• Travel stops are standard on all models
• Manufactured with silicone-free lubricants
• Torque ranges -
Double Acting: up to 388,762 in/lb
Spring Return: up to 257,836 in/lb
• 180° Actuators are also available from stock
Warranty
The Company, for a period of one year from the date
of shipment, warrants each product to be free from
manufacturers defects in material and workmanship
under normal use, service and maintenance.
Jomar International Ltd.
7243 Miller Drive
Warren, MI 48092
Phone: 800-325-5690
Fax: 800-628-4194
www.jomar.com
ALPHA SERIES
Pneumatic Rotary
Actuator
SPRING RETURN OUTPUT TORQUE (in/lb)
AS
Spring
no.
Size
40 6 48 25
10 53 12 80 40 133 93
11 74 30 127 83
12 69 20 122 74
50 6 60 33
10 64 19 100 47 171 126
11 92 43 163 113
12 84 31 155 101
60 6 112 72
10 124 57 187 120 312 245
11 174 100 300 226
12 161 81 287 206
70 6 150 105
10 160 56 249 141 427 323
11 229 111 408 293
12 210 81 389 263
80 6 232 151
10 250 117 388 254 660 527
11 358 211 631 483
12 328 168 601 441
90 6 343 220
10 370 114 571 312 974 718
11 527 243 929 649
12 483 174 886 580
100 6 520 323
10 575 182 866 472 1448 1055
11 806 374 1389 957
12 748 274 1330 858
120 6 778 487
10 839 354 1290 805 2202 1717
11 1193 659 2104 1571
12 1095 513 2006 1425
Note: Information subject to change without notice.
Note: Torque values subject to change without notice.
40psi 60psi 80psi 100psi
air start air end air start air end air start air end air start air end
0 90 0 90 0 90 0 90
7 42 15 69 42
8 37 5 64 32 90 60
9 58 22 85 50
7 52 20 88 56
8 44 8 80 43 116 71
9 72 31 108 60
7 99 52 162 115
8 87 33 150 96 212 158
9 136 76 199 139
7 130 79 220 146
8 110 51 199 116 288 201
9 180 86 268 171
7 203 109 339 245
8 174 66 310 202 447 339
9 280 159 417 297
7 299 155 500 321
8 256 91 457 252 658 450
9 413 183 614 381
7 461 232 752 477
8 402 140 693 379 983 668
9 635 281 925 570
7 680 341 1131 792
8 582 195 1034 646 1485 1097
9 936 500 1388 951
Jomar International Ltd.
7243 Miller Drive
Warren, MI 48092
Phone: 800-325-5690
Fax: 800-628-4194
www.jomar.com
SPRING
TORQUE
spring start spring end
90 0
48 23
56 27
64 30
72 34
80 37
88 41
96 44
50 34
58 41
66 44
74 50
82 55
90 60
98 66
111 73
129 85
148 97
166 109
185 121
203 133
221 145
140 103
162 120
184 136
206 153
228 170
250 187
273 204
207 137
242 160
276 183
311 206
345 229
380 252
414 275
321 204
374 237
427 271
481 304
534 338
587 372
640 405
449 302
522 351
596 401
669 450
743 500
816 550
889 599
657 474
766 553
874 632
983 711
1092 789
1201 868
1310 947
SPRING RETURN OUTPUT TORQUE (in/lb)
AS
Spring
no.
Size
140 6 1368 886
10 1508 704 2287 1482 3835 3031
12 1967 1002 3516 2550
160 6 1988 1220
10 2133 584 3310 1759 5673 4124
12 2789 929 5152 3294
190 6 2886 1873
10 3231 1542 4818 3129 7984 6294
12 4201 2174 7367 5339
200 6 3090 2160
10 3307 1769 5152 3614 8830 7292
12 5496 2496 8019 6173
240 6 5379 3419
10 5613 2724 8893 5702 12112 9089
12 7453 3962 10673 7246
270 6 8675 5981
10 9741 4852 14468 9749 19725 14547
12 12534 7230 17739 11970
300 6 7497 3760
10 11516 5781 18048 10839 31266 24294
12 15374 7329 25833 20229
350 6 11249 4851
10 16503 6684 25974 15977 45614 34777
12 21724 9957 41304 28757
400 7 17689 7357
10 29441 15967 42950 29142
12 24789 8527 38298 21702 64676 48450
13 35972 17982 62360 44730
14 33646 14262 60024 41010
15 31320 10942 57698 37290
16 55372 33570
40psi 60psi 80psi 100psi
air start air end air start air end air start air end air start air end
0 90 0 90 0 90 0 90
7 1209 646 1988 1425
8 1049 405 1827 1184 2606 1963
9 1668 944 2447 1723
11 2127 1243 3675 2791
7 1727 832 2913 1829
8 1467 444 2653 1414 3830 2589
9 2393 999 3570 2174
11 3050 1344 5412 3709
7 2578 1395 4157 2974
8 2269 918 3848 2497 5435 4083
9 3540 2019 5126 3606
11 4509 2651 7675 5817
7 2685 1608 4523 3447
8 2279 1049 4118 2887 5963 4733
9 3712 2328 5558 4174
11 4747 3055 8424 6732
7 4666 2557 7745 5233
8 3943 1687 7037 4394 10332 7434
9 6321 3555 9608 6464 12827 10003
11 8177 4832 11396 8168
7 7712 4688 12686 8319
8 6740 3403 11704 7166 16411 12268
9 10723 6005 15440 11005 20707 15832
11 13497 8486 18723 13225
7 6063 1963 15430 10670
8 14125 9699 20715 14340
9 12820 7736 19382 12585
11 16887 9083 29896 22373
7 9124 1841 22878 15716
8 20753 12706 30224 21997
9 18628 9696 28099 18987
11 23849 12967 43489 31767
8 15363 3637
9 31767 19687
11 27115 12247 40624 25422
SPRING
TORQUE
spring start spring end
90 0
1254 818
1463 953
1673 1089
1881 1224
2090 1359
2299 1495
2508 1630
2140 1152
2496 1344
2851 1536
3207 1728
3563 1920
3919 2112
4274 2304
2585 1667
3011 1946
3444 2225
3870 2504
4304 2783
4737 3062
5163 3342
3020 2188
3517 2552
4020 2915
4523 3278
5027 3642
5530 4006
6033 4369
5018 3513
5854 4092
6690 4679
7527 5265
8363 5825
9199 6431
10035 7018
6962 4559
8492 5253
9388 6079
10681 6754
11604 7598
12764 8255
14082 9118
10232 7041
12014 8268
13796 9495
15578 10722
17360 11949
19142 13176
20924 14403
16724 11546
19591 13543
22458 15539
25325 17535
18192 19531
31059 21527
33926 23523
22938 14956
26292 17096
29646 19236
33000 21376
36354 23516
39708 25656
43062 27796
46416 29936
49770 32076
53124 34216