Data sheet
Sheet No.: D34, Rev. C
December 2011
Date:
Hytork XL
Envelope Dimensions and Torque Data
XL426 Double acting and Spring Return actuator
SR = 462 (18.19")
DA = 292 (11.50'')
3 (0.12")
147 (5.79")
169 (6.65")
88 (3.46")
42 (1.65")
446 (17.56")
86 (3.39")
156 (6.14")
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
94
56
117
70
141
84
164
99
188
113
211
127
235
141
159
212
264
291
317
370
423
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
102
88
-
End
65
41
-
Start
155
141
127
113
-
End
118
94
71
47
-
Start
208
194
180
166
152
138
-
End
171
147
124
100
77
53
-
Start
235
221
206
192
178
164
150
End
197
174
150
127
103
80
56
Start
261
247
233
219
205
191
177
End
223
200
177
153
130
106
83
Start
314
300
286
272
258
244
229
End
276
253
229
206
182
159
136
Start
367
353
339
325
311
296
282
End
329
306
282
259
235
212
188
Torque in inch-pounds, Pressure in PSI
Double Acting Torques
Spring
Rating
S40
S50
S60
S70
S80
S90
S1C
Torque From
Springs
Start
End
831
498
1039
623
1246
748
1454
872
1662
997
1870
1122
2077
1246
1283
40 PSI
Start
784
659
-
End
452
244
-
1603
50 PSI
Start
1105
980
855
-
End
772
564
357
-
1924
60 PSI
Start
1425
1301
1176
1051
927
-
End
1093
885
677
470
262
-
2565
80 PSI
Start
2067
1942
1817
1693
1568
1443
1319
End
1734
1526
1319
1111
903
695
488
2886
90 PSI
Start
2387
2263
2138
2013
1889
1764
1639
End
2055
1847
1639
1431
1224
1016
808
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 477 2809) UK: +44 191 5180020 (fax 5180032)
3206
100 PSI
Start
2708
2583
2459
2334
2209
2085
1960
End
2375
2168
1960
1752
1544
1337
1129
3848
120 PSI
Start
3349
3224
3100
2975
2851
2726
2601
End
3017
2809
2601
2393
2186
1978
1770