Data sheet
Sheet No.: D33, Rev. C
Date:
December 2011
Hytork XL
Envelope Dimensions and Torque Data
XL281 Double acting and Spring Return actuator
SR = 348 (13.70")
332 (13.07")
86 (3.93")
44 (1.73")
DA = 243 (9.57'')
3 (0.12")
152 (5.98")
176 (6.93")
84 (3.31")
152 (5.98")
Location Ring
only on metric
units
END VIEW
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
64
37
80
47
96
56
112
66
128
75
144
84
160
94
109
145
181
200
218
254
290
3.0 bar(g)
4.0 bar(g)
5.0 bar(g)
5.5 bar(g)
6.0 bar(g)
7.0 bar(g)
8.0 bar(g)
Start
71
62
-
End
45
29
-
Start
108
98
89
80
-
End
81
65
49
33
-
Start
144
135
125
116
106
97
-
End
117
101
85
69
53
37
-
Start
162
153
143
134
125
115
106
End
135
119
103
87
71
55
39
Start
180
171
161
152
143
133
124
End
154
138
122
106
90
74
57
Start
216
207
198
188
179
170
160
End
190
174
158
142
126
110
94
Start
253
243
234
225
215
206
197
End
226
210
194
178
162
146
130
Torque in inch-pounds, Pressure in PSI
Double Acting Torques
Spring
Rating
S40
S50
S60
S70
S80
S90
S1C
Torque From
Springs
Start
End
567
331
709
414
850
497
992
580
1134
663
1276
745
1417
828
880
1099
1319
1759
1979
2199
2639
40 PSI
50 PSI
60 PSI
80 PSI
90 PSI
100 PSI
120 PSI
Start
548
465
-
End
313
171
-
Start
768
685
602
-
End
532
391
249
-
Start
988
905
822
739
657
-
End
752
611
469
327
185
-
Start
1428
1345
1262
1179
1096
1014
931
End
1192
1050
909
767
625
483
342
Start
1648
1565
1482
1399
1316
1233
1151
End
1412
1270
1129
987
845
703
562
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
1867
1785
1702
1619
1536
1453
1370
End
1632
1490
1348
1207
1065
923
782
Start
2307
2224
2142
2059
1976
1893
1810
End
2072
1930
1788
1646
1505
1363
1221