Data sheet
Sheet No.: D39, Rev. B
Date:
September 2009
Hytork XL
Envelope Dimensions and Torque Data
XL4581 Double acting and Spring Return actuator
SR = 884 (34.80")
321 (12.64")
855 (33.66")
76 (2.99")
DA = 515 (20.28")
5 (0.20")
353 (14.02")
390 (15.35")
160 (6.30")
END VIEW
Location Ring
only on metric
units
SIDE VIEW
Torque in Nm, Pressure in bar(g)
Double Acting Torques
Spring
Rating
S40
S50
S60
S70
S80
S90
S1C
Torque From
Springs
Start
End
1017
610
1271
762
1525
915
1779
1067
2033
1220
2287
1372
2541
1525
1763
2351
3.0 bar(g)
Start
1153
1001
848
-
End
747
492
238
-
4.0 bar(g)
Start
1741
1588
1436
1284
1131
-
End
1334
1080
826
572
318
-
2939
5.0 bar(g)
Start
2329
2176
2024
1871
1719
1566
1414
End
1922
1668
1414
1160
905
651
397
3232
5.5 bar(g)
Start
2623
2470
2318
2165
2013
1860
1708
End
2216
1962
1708
1453
1199
945
691
3526
6.0 bar(g)
Start
2916
2764
2611
2459
2306
2154
2001
End
2510
2256
2001
1747
1493
1239
985
4114
7.0 bar(g)
Start
3504
3352
3199
3047
2894
2742
2589
End
3097
2843
2589
2335
2081
1827
1573
4702
8.0 bar(g)
Start
4092
3939
3787
3634
3482
3329
3177
End
3685
3431
3177
2923
2669
2414
2160
Torque in inch-pounds, Pressure in PSI
Double Acting Torques
Spring
Rating
S40
S50
S60
S70
S80
S90
S1C
Torque From
Springs
Start
End
8996
5398
11246 6747
13495 8097
15744 9446
17993 10795
20242 12145
22491 13494
14250
17813
21375
28500
32063
35625
42750
40 PSI
50 PSI
60 PSI
80 PSI
90 PSI
100 PSI
120 PSI
Start
8852
7503
-
End
5254
3004
-
Start
12415
11065
9716
-
End
8816
6567
4318
-
Start
End
Start
End
Start
End
Start
End
15977 12379 23102 19504 26665 23066 30227 26629
14628 10129 21753 17254 25315 20817 28878 24379
13278 7880 20403 15005 23966 18568 27528 22130
11929 5631 19054 12756 22617 16319 26179 19881
10580 3382 17705 10507 21267 14070 24830 17632
16355 8258 19918 11821 23480 15383
15006 6009 18568 9571 22131 13134
w w w. H y t o r k . c o m
Copyright © Emerson Process Management. The information in this document is subject to change without notice.
Updated data sheets can be obtained from our web site www.hytork.com or from your nearest Valve Automation Center
USA: +1 281 477 4100 (fax 281 477 2809) UK: +44 191 5180020 (fax 5180032)
Start
37352
36003
34653
33304
31955
30605
29256
End
33754
31504
29255
27006
24757
22508
20259