DN
Double acting
BVA
BVL
1⁄4"RB- "RB
1⁄2"RB- "FB
3⁄4"RB- 1⁄2"FB
1"RB- 3⁄4"FB
11⁄4"RB- 1"FB
11⁄2"RB-11⁄4"FB
2"RB-11⁄2"FB
315D
490X
315D
490X
315D
490X
320D
493X
325D
494X
330D
496X
335D
499X
320S/8
491X
320S/8
491X
325S/8
491X
330S/8
493X
340S/8
495X
340S/8
497X
345S/8
500X
1⁄4"RB- "RB
1⁄2"RB- "FB
3⁄4"RB- 1⁄2"FB
1"RB- 3⁄4"FB
11⁄4"RB- 1"FB
11⁄2"RB-11⁄4"FB
2"RB-11⁄2"FB
21⁄2"RB-2"FB
310D
490X
310D
490X
310D
490X
315D
492X
320D
494X
330D
496X
330D
498X
330D
505X
310S/4
490X
310S/4
490X
315S/8
490X
320S/8
493X
325S/8
494X
340S/8
497X
340S/8
499X
340S/8
502X
1⁄4"RB- "RB
1⁄2"RB- "FB
3⁄4"RB- 1⁄2"FB
1"RB- 3⁄4"FB
11⁄4"RB- 1"FB
11⁄2"RB-11⁄4"FB
2"RB-11⁄2"FB
310D
490X
310D
490X
315D
490X
320D
493X
325D
494X
325D
496X
335D
499X
320S/10
491X
320S/10
491X
320S/10
491X
325S/10
493X
335S/10
495X
335S/10
497X
340S/10
499X
Actuator operating pressure 4 bar g
1⁄4"RB- "RB
1⁄2"RB- "FB
3⁄4"RB- 1⁄2"FB
1"RB- 3⁄4"FB
11⁄4"RB- 1"FB
11⁄2"RB-11⁄4"FB
2"RB-11⁄2"FB
310D
490X
310D
490X
315D
490X
315D
492X
320D
494X
325D
496X
330D
498X
315S/12
490X
315S/12
490X
320S/12
491X
325S/12
493X
330S/12
494X
335S/12
497X
340S/12
499X
Actuator operating pressure 5 bar g
1⁄4"RB- "RB
1⁄2"RB- "FB
3⁄4"RB- 1⁄2"FB
1"RB- 3⁄4"FB
11⁄4"RB- 1"FB
11⁄2" RB-11⁄4"FB
2" RB-11⁄2"FB
DN
1⁄4"
"
1⁄2"
3⁄4"
1"
11⁄4"
11⁄2"
2"
310D
490X
310D
490X
310D
490X
315D
492X
320D
494X
320D
496X
330D
498X
A
B
259
122
259
122
259
122
271
124
294
129
347
134
336
137
381
143
315S/14
490X
315S/14
490X
320S/14
491X
320S/14
493X
330S/14
494X
330S/14
496X
340S/14
499X
Actuator operating pressure 6 bar g
Actuator operating pressure 3 bar g
Actuator operating pressure 4 bar g
Actuator operating pressure 5 bar g
1⁄4"RB- "RB
1⁄2"RB- "FB
3⁄4"RB- 1⁄2"FB
1"RB- 3⁄4"FB
11⁄4"RB- 1"FB
11⁄2"RB-11⁄4"FB
2"RB-11⁄2"FB
21⁄2"RB-2"FB
310D
490X
310D
490X
310D
490X
315D
492X
315D
504X
325D
496X
325D
498X
330D
505X
310S/6
490X
310S/6
490X
315S/10
490X
320S/10
493X
320S/10
494X
335S/10
497X
335S/10
499X
340S/10
502X
Actuator operating pressure 6 bar g
1⁄4"RB- "RB
1⁄2"RB- "FB
3⁄4"RB- 1⁄2"FB
1"RB- 3⁄4"FB
11⁄4"RB- 1"FB
11⁄2"RB-11⁄4"FB
2"RB-11⁄2"FB
21⁄2"RB-2"FB
310D
490X
310D
490X
310D
490X
315D
492X
315D
504X
320D
496X
325D
498X
325D
505X
310S/6
490X
310S/6
490X
310S/6
490X
320S/12
493X
320S/12
494X
330S/12
496X
335S/12
499X
335S/12
502X
Pages 4 to 12 contain all necessary information to select the correct actuator for relevant Spirax Sarco ball valves. For valves not
appearing in these tables please contact Spirax Sarco for advice.
Single acting
BVA
BVL
DN
Double acting
Single acting
BVA
BVL
BVA
BVL
Actuator operating pressure 3 bar g
A
Dimensions
(mm)
DN
1⁄4"
"
1⁄2"
3⁄4"
1"
11⁄4"
11⁄2"
2"
21⁄2"
The dimensions A and B represent the maximum size (mm) for the biggest recommended actuator according to each valve.
TI-P372-23 CTLS Issue 11
Page 5 of 12
1⁄4"RB- "RB
310D
1⁄2"RB- "FB
310D
3⁄4"RB- 1⁄2"FB
310D
1"RB- 3⁄4"FB
310D
11⁄4"RB- 1"FB
315D
11⁄2"RB-11⁄4"FB
320D
2"RB-11⁄2"FB
320D
21⁄2"RB-2"FB
325D
490X
490X
490X
492X
504X
496X
498X
505X
310S/8
490X
310S/8
490X
310S/8
490X
315S/14
492X
320S/14
494X
330S/14
496X
330S/14
498X
335S/14
502X
A
B
218
122
218
122
218
122
239
124
266
129
281
134
336
137
342
143
356
157
B