CBA 300 SR80 Bettis Cba300 Ds

User Manual: SR80

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CBA-300 Series Pneumatic Actuators
Strong, Efficient and Cost Effective

3

11

■

PED 97/23/EC Compliant

■

Suitable for SIL 2 and SIL 3

■

Water Ingress Protected –
IP66 and IP67M

■

Five-Year Warranty

■

NAMUR Topworks

■

ISO/DIN Bottom Mounting

■

Jackscrew Option

10

CBA-300 SERIES PNEUMATIC
DESIGN AND CONSTRUCTION
Introduction

13

For more than 45 years, Bettis valve actuators have
demonstrated the latest technology. The CBA 300Series pneumatic actuators combine the strengths of
our new generation G-Series scotch-yoke actuators,
while incorporating several new design economies for
efficient and cost effective operation.
®

1

4
2

The advanced 300-Series have enhanced water ingress
and corrosion protection. These compact actuators are
lightweight and ideally suited for automating virtually
any quarter-turn (90-degree) rotating mechanism
including ball, butterfly and plug valves. With a variety
of options, the 300-Series can meet your most demanding valve automation needs.

Operating Ranges
Double-acting 300-Series actuators are available with
guaranteed minimum torque outputs ranging from
7,388 lb-in to 20,337 lb-in (835 to 2,333 Nm). 300-Series
spring-return models require pressure in only one
direction of travel and are available for fail clockwise or
counterclockwise applications. These models produce
spring ending torques ranging from 2,532 lb-in through
10,457 lb-in (286 to 1,182 Nm).
Standard construction 300-Series actuators are
designed for operation temperatures ranging from -20°F
to +200°F (-29°C to +93°C). Optional high temperature
trim allows operation from 0°F to 350°F (-18°C to +177°C)
and special non-PED low temperature trim permit
operation to -40°F (-40°C).
Pneumatic operating pressures for the 300-Series
range from 40 to 150 PSIG (3 to 10 BAR).

2

Features and Advantages
Water Ingress Protection – The 300-Series actuators meet both IP66 and
IP67M specifications for submergence and severe high pressure water deluge test, offering superior water ingress and corrosion protection. The actuator has no gaskets and is totally o-ring sealed.
1) NAMUR Topworks – The 300-Series utilizes the internationally accepted
NAMUR mounting configuration that allows standardization of accessory
hardware and the direct or close coupling of NAMUR designed hardware
and accessories.
2) New Quad Sealed Torque Shaft – The lower torque shaft has two
independent seals – the outer seal protects the large bearing area and
the primary, inner cup seal from the environment. The upper shaft
bearing area features a bi-directional, double lip seal providing twice
the level of protection from corrosion and contaminants.
3) New O-Ring Sealed Cylinders – The o-ring sealed cylinders essentially
eliminate the possibility of any cylinder leakage throughout the full
range of operating pressures and climatic conditions.
4) Name Plate – Long lasting stainless steel plate provides lifetime traceability and critical operating information.
5) Standard Accessory Mounting Pad – The new accessory mounting
pad is standard and identical on all CBA and CBA 300-Series models,
allowing for the panel mounting of controls.

Standard stop screw

12

5

9
M-11 hydraulic override configuration
6 Jackscrew option (See
insert for standard stop
screw configuration)

8) Efficient All Bearing Design – The 300-Series piston has three field replaceable bearings. They
include a TFE piston head bearing, PTFE/bronze
bearings on either piston end and on the yoke pin.
These bearings help to assure smooth and consistent torque output, while enhancing total cycle life
capabilities.
9) Torque Shaft Bearing – The torque shaft
features field replaceable upper and lower
PTFE-coated, copper-clad metallic bearings.

7

8

6) Jackscrew Option (Shown) – A blowout-proof, economical jackscrew
manual override is available with the 300-Series. When equipped with
a jackscrew, it also acts as a stop adjustment screw. The jackscrew
feature has several advantages:
■ Produces full rated torque output in the event of air supply loss.
■ Available with or without handwheel, locking devices and many
other options. Consult factory.
■ The manual override absorbs impact loads at maximum
recommended actuator speeds.
■ Double-acting models are available with one or two jackscrews.
Bi-directional Travel Stops – Dual stops
allowing 80° to 100° total travel adjustment.
This feature provides an unmatched travel
range to assist in prolonging valve seat
integrity.
Optional Bi-directional Extended Travel
Stop (ETS) – Allows 0° to 100° extended
travel adjustment capability, and can be
used as a lockout device. Consult factory.
7) ISO/DIN Actuator/Valve Interface – The 300-Series has an ISO/DIN
F14 mounting configuration. This female interface allows close
coupling or direct mounting of the actuator to the valve topworks.

10) Xylan™ Cylinder Coating – This fluoropolymer
(TFE-based) coating is highly resistant to corrosion
and thermal shock. It also provides for excellent
lubricity, adding significantly to piston seal life and
actuator efficiency. Xylan has been laboratory
(ASTM B117) tested and field proven to be extremely
resistant to contaminants typically found in instrument air supply systems.
11) Springs – High-strength, high-performance alloy
carbon steel springs are protected by Tactyl 50, a
pliable self-healing coating. Bettis takes and additional step and shot peens the springs, helping to
extend the actuator’s spring cycle life.
12) Ductile Iron Housing – CBA actuator housings are
made of pressure vessel quality ductile iron which
is approved for use by ASME and the Pressure
Equipment Directive (PED 97/23/EC). All housings
have been optimized by finite element analysis and
are designed for light weight while retaining maximum strength, ductility and corrosion resistance.
13) Center Bar and Torque Shaft – Utilizes a
proprietary surface conversion process, producing
an extremely hard surface exhibiting excellent wear
and corrosion resistance. The center bar guides the
piston throughout its full stoke, preventing metal
to metal contact with the cylinder bore.

3

SIZING AND SELECTION
General Definitions

Actuator Selection Procedures

To clarify and standardize terminology, Bettis offers the
following definitions for terms commonly used. Please become
familiar with and use the following standard definitions when
referring to Bettis quarter-turn actuators.

A) Determine the type of Bettis actuator required: double-acting
or spring-return.

Quarter-turn: A device which rotates a minimum of 90 degrees.
All Bettis quarter-turn actuators will rotate more than 90 degrees.

C) Using this information, select the applicable torque rating
table and see the appropriate following examples.

Position: That degree of rotation describing an actuator’s
current location. The mid position of a quarter-turn actuator is
generally at forty-five(45) degrees.

Scotch-Yoke, Double-Acting Actuators (example
assumes CW to close)

CW: Clockwise rotation.
CCW: Counterclockwise rotation.
Stroke: A continuous, ninety (90) degree rotation of a quarter-turn
actuator. Bettis spring-return actuators have two (2) different
strokes, a pressure stroke and a spring stroke. Bettis doubleacting actuators have two (2) pressure strokes. Note that rack
and pinon actuators have common torque valves for both pressure
strokes, while scotch yoke actuators have different torque values
depending on which side of the piston is doing the work.
Cycle: The collective reference to two (2) strokes, one (1) for
clockwise (CW) rotation and one (1) for counterclockwise (CCW)
rotation. Bettis actuators must rotate through two (2) stroke to
complete one (1) cycle.
Safety Factor: Represents a protective component (an adjustment
to torque requirement) sometimes added to a valve’s required
torque value. Often used when the user/specifier is not certain of
the valve’s torque requirements, or because of other application
concerns.

Sizing Bettis Actuators
The following information is generally the minimum required
for sizing Bettis quarter-turn pneumatic and hydraulic actuators
for specific valve requirements.
A) An accurate maximum torque requirement must be obtained
before actuator sizing begins. Normal maximum stem torque for
a properly applied and maintained valve is usually defined as: The
maximum starting torque required to rotate the valve element
(ball, disc,plug, etc.) from a fully closed position (unsealing),
against the maximum normal valve rated different pressures.
Most valve manufacturers make adjustments in the form of
torque amendments under various operating conditions.
Application operating conditions such as temperature extremes,
actual differential pressure, unusual loading, high flow rates,
operating speeds, etc. are some of the most common causes for
adjustments.
Bettis recommends that the valve manufacturer supply the
maximum required torque value(s) (including any adjustments or
suggested safety factors). Additionally, the valve manufacturer
must identify at which position(s) and direction(s) of rotation
(CCW or CW) these maximum requirements occur.
B) Bettis actuators include stops which will resist the maximum
rated torque output of the actuator. The possibility exists, that
should the valve become immobilized during rotation, the actuator could exceed the maximum allowable valve input torque rating. If this possibility is a concern, your application needs further
review.
Once the maximum torque requirements, its position, and
direction of rotation are identified, the appropriate Bettis actuator
can be selected from torque output charts on pages 4–7.
4

B) Determine the power supply media: pneumatic or hydraulic,
and the minimum/maximum supply pressure(s) at the actuator.

Note: The valve’s torque requirements must be exceeded by
the actuator’s torque output at all corresponding positions and
directions of rotation.
Bettis has included Start, Minimum, and End pressure torque
outputs for your use.
A) Using your minimum operating pressure, select an operating
pressure column from the Pressure Torque Rating Section of less
than or equal pressure. Move down the column until both starting
and minimum output torques are found which exceed the valve’s
maximum and minimum torque requirements. Determine the
Bettis model number at the left, under the model number column.
B) Once a Bettis actuator model has been selected, use the performance data tables to ensure your maximum supply pressure
does not exceed the maximum operating pressure (M.O.P.) for
your Bettis actuator. If the actuator selected is not rated for your
maximum supply pressure, either the maximum supply pressure
must be reduced or an actuator rated for a higher M.O.P. must
be selected.

Scotch-Yoke, Spring-Return, Fail CLOCKWISE Actuators
(example assumes CW to close)
Note: The valve’s maximum torque requirements must be
exceeded by the actuator’s torque output at all corresponding
positions and directions of rotation.
Bettis has included Start, Minimum, and End Spring Torque
outputs, as well as Start, Minimum and End Pressure Torque
Outputs for your use. The minimum torque outputs listed on the
Spring-Return torque charts are the lowest value of torque output
available at any position, during either stroke (pressure or spring).
A) Select from the Spring Torque column a Spring Ending torque
output which exceeds that of the valve’s maximum seating
requirement.
B) Proceed to the right using your minimum operating pressure
and select an operating pressure column from the Pressure
Torque Rating Section of less than or equal pressure. The Pressure
Start torque output must exceed the valve’s torque requirement
at this position (unseating). The Pressure End torque output must
exceed the valve’s torque requirement at this position (full flow)
and direction of rotation (CCW).
C) Once a Bettis actuator model has been selected, use the performance data tables to ensure your maximum supply pressure
does not exceed the maximum operating pressure (M.O.P.) for
your Bettis actuator. If the actuator selected is not rated for your
maximum supply pressure, either the maximum supply pressure
must be reduced or an actuator rated for a higher M.O.P. must be
selected.
Contact your local Authorized Bettis distributor or a Bettis
manufacturing facility if you require assistance.

Performance Data – CBA-300-Series (Pneumatic) - Imperial & metric
Double-Acting Actuators
CBA-Series
Volumes
Actuator
Model

Outboard
Cu. Inches

CBA 730
CBA 830
CBA 930
CBA 1030

Inboard
(Housing)

Cubic CM

260
341
433
572

4260.6
5588.0
7095.6
9373.4

Maximum System
Pressure
(MSP)*

Maximum Operating Maximum Allowable Approximate Weight
Pressure
Working Pressure
of Actuator
(MOP)**
(MAWP)***

Cu. Inches

Cubic CM

PSIG

Bar

PSIG

Bar

PSIG

Bar

Lbs.

KG

562
633
713
834

9209.5
10373.0
11683.9
13666.8

120
90
70
55

8.3
6.2
4.8
3.8

105
80
65
50

7.2
5.5
4.5
3.4

200
200
170
130

13.8
13.8
11.7
9.0

130
140
155
170

59
63.5
70.3
77.1

Spring-Return Actuators
CBA-Series

Cu. Inches
◆CBA 730- SR40
SR60
SR80
SR100
◆CBA 830- SR40
SR60
SR80
SR100
◆CBA 930- SR40
SR60
SR80
SR100
◆CBA 1030- SR40
SR60
SR80
—

Maximum System
Pressure
(MSP)*

Volume

Actuator
Model

562
562
562
562
633
633
633
633
713
713
713
713
834
834
834
—

Cubic CM
9209.5
9209.5
9209.5
9209.5
10373.0
10373.0
10373.0
10373.0
11683.9
11683.9
11683.9
11683.9
13666.8
13666.8
13666.8
—

150
155
160
165
125
125
130
140
120
120
120
120
95
100
110
—

10.3
10.7
11.0
11.4
8.6
8.6
9.0
9.7
8.3
8.3
8.3
8.3
6.5
6.9
7.6
—

Maximum Operating
Pressure
(MOP)**

Maximum Allowable
Working Pressure
(MAWP)***

Approximate Weight
of Actuator

PSIG

Bar

PSIG

Bar

Lbs.

135
140
145
150
105
110
115
120
85
90
95
105
70
75
80
—

9.3
9.7
10.0
10.3
7.2
7.6
8.0
8.3
5.9
6.2
6.6
7.2
4.8
5.2
5.5
—

200
200
200
200
200
200
200
200
170
170
170
170
130
130
130
—

13.8
13.8
13.8
13.8
13.8
13.8
13.8
13.8
11.7
11.7
11.7
11.7
9.0
9.0
9.0
—

158
160.5
163
164
180
184.5
188
192.5
195
202
206.5
205
220
225.5
233.5

KG
71.7
72.8
73.9
74.4
81.6
83.7
85.3
87.3
88.5
91.6
93.7
93.0
99.8
102.5
105.9

Notes:
◆
▲

CBA-SRXXM mechanical handwheel overrides are available on these models. The override adds approximately 2 lbs. (.8 kg) to the weight of the
standard CBA model.
Maximum volume including cavity required for calculating consumption per stroke.

*
**

Maximum System Pressure (MSP) – The maximum allowable system supply pressure to which the actuator may be exposed.
Maximum Operating Pressure (MOP) is the pressure required
to produce the maximum rated torque of the actuator.
*** Maximum Allowable Working Pressure (MAWP) is the
maximum static pressure that may be applied to a fully
stroked actuator against the travel stops.
Standard installation produces clockwise rotation
when the outboard side of piston is pressurized.
Standard installation produces counterclockwise
rotation when the inboard side of piston is pressurized.
Note: Actuator may be installed opposite of that shown above.

5

Torque Ratings – CBA-300-Series (Pneumatic) - Imperial
All Published Torques are Typical Minimum Values.

Double-Acting Actuators
Actuator
Model
CBA730
CBA830
CBA930
CBA1030

Stroke
Position
Start/End
Minimum
Start/End
Minimum
Start/End
Minimum
Start/End
Minimum

40

50

7388
4248
9697
5575
12313
7080
16270
9355

9235
5310
12121
6969
15391
8850
20337
11694

Operating Pressure (PSIG)
60
70
80
90
Pressure Torque Output Start/Min./End (lb-in)
11082
6372
14545
8363
18470
10620

12929
7434
16969
9757

14776
8496
19393
11151

16623
9558

100

110

18470
10620

Spring-Return Actuators
Actuator
Model
CBA730-SR40

CBA730-SR60

CBA730-SR80

CBA730-SR100

CBA830-SR40

CBA830-SR60

CBA830-SR80

CBA830-SR100

CBA930-SR40

CBA930-SR60

CBA930-SR80

CBA930-SR100

CBA1030-SR40

CBA1030-SR60

CBA1030-SR80

6

Spring Torque
(in-lbs)
Start/Min./End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End

4383
1759
2532
6748
2625
3732
9340
3450
4576
11755
4301
5792
5739
2330
3318
9010
3443
4637
12171
4565
5978
15438
5677
7218
7471
3063
4317
11942
4470
5586
15872
5977
7523
19822
7500
9498
9929
4036
5629
15924
5839
7108
20580
7978
10457

40

50

60

4589
1808
2544

6436
2782
4391
5225
1704
1892

8283
3747
6238
7095
2709
3762

6029
2406
3354

7849
3163
4364

10455
4178
5703

8453
3700
5778
7299
2216
2226

11004
4866
7519
9602
2577
2577

14624
6431
9872
12989
3245
3245

10877
4982
8202
9783
3587
4711

14159
6551
10674
12757
4691
5732

18793
8658
14041
17159
6204
7415

Operating Pressure (PSIG)
70
80
90
100
110
120
Pressure Torque Output Start/Min./End (lb-in)
10130
4712
8085
8965
3692
5632
8033
2565
2767

13301
6263
10626
12268
4898
7196
10786
3400
3605

17315
8237
13829
15912
6425
8888
13771
4442
4544

22962
10885
18210
21328
8507
11584
17626
5937
6438

11977
5677
9932
10835
4657
7502
9903
3591
4637

15725
7545
13050
14753
6189
9680
13271
4772
6089

20470
9922
16985
19067
8145
12043
16927
6258
7699

21796
8299
10607

13824
6641
11779
12705
5622
9372
11773
4578
6507
10637
3499
4046
18149
8826
15474
17237
7471
12165
15756
6083
8574
14385
4560
4873

15671
7599
13626
14575
6587
11242
13643
5564
8377
12530
4513
5939
20573
10099
17899
19722
8753
14650
18241
7394
11059
16870
5935
7358

22223
9830
15194
20082
7993
10854
17899
6009
6489

21054
7808
9644

17518
8557
15473
16445
7552
13112
15513
6529
10247
14423
5500
7832

19365
9515
17319
18315
8517
14982
17383
7494
12117
16316
6488
9725

22207
10035
17135
20725
8679
13544
19354
7258
9842

21839
8569
12327

130

140

150

21212
10473
19166
20185
9483
16852
19253
8459
13987
18210
7458
11619

22055
10446
18722
21123
9424
15857
20103
8423
13512

21996
9388
15405

Torque Ratings – CBA-Series (Pneumatic) - metric
All Published Torques are Typical Minimum Values.

Double-Acting Actuators
Actuator
Model
CBA730
CBA830
CBA930
CBA1030

Stroke
Position
Start/End
Minimum
Start/End
Minimum
Start/End
Minimum
Start/End
Minimum

3

3.5

908
522
1192
685
1513
870
2000
1150

1059
609
1390
799
1766
1015
2333
1341

Operating Pressure (PSIG)
4
5
5.5
6
Pressure Torque Output Start/Min./End (lb-in)
1211
696
1589
914
2018
1160

1513
870
1986
1142

1665
957
2185
1256

7

1816
1044
2384
1371

8

2119
1218

2421
1392

Spring-Return Actuators
Actuator
Model
CBA730-SR40

CBA730-SR60

CBA730-SR80

CBA730-SR100

CBA830-SR40

CBA830-SR60

CBA830-SR80

CBA830-SR100

CBA930-SR40

CBA930-SR60

CBA930-SR80

CBA930-SR100

CBA1030-SR40

CBA1030-SR60

CBA1030-SR80

Spring Torque
(Nm)
Start/Min/End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End
Start
Min.
End

495
198
286
763
297
422
1055
390
517
1328
486
654
648
263
375
1017
389
524
1375
516
675
1744
641
816
844
346
488
1349
505
631
1793
675
850
2240
847
1073
1122
456
636
1799
660
803
2325
901
1182

Operating Pressure (Bar)
3

3.5

592
204
361

743
314
512
606
193
230

777
272
475

976
418
674
846
250
273

1012
357
618

1271
550
877
1112
291
318

1347
472
810

1688
727
1151
1504
367
403

4
5
5.5
6
7
Pressure Torque Output Start/Min./End (Nm)
894
1197
1348
1500
1802
423
532
641
750
859
663
966
1117
1269
1571
760
1066
1219
1373
1679
306
417
526
635
744
383
690
843
996
1302
961
1114
1267
1574
290
406
517
629
366
519
672
979
1138
1448
395
510
393
704
1175
1572
1770
1969
2366
563
708
853
997
1141
872
1270
1468
1667
2064
1050
1457
1660
1864
2271
405
553
699
844
989
476
884
1087
1291
1698
1289
1493
1697
2104
384
539
687
835
478
682
885
1292
1542
1949
515
671
467
874
1529
2046
2305
740
931
1121
1135
1652
1911
1371
1888
2146
2405
530
726
920
1111
577
1094
1352
1611
1646
1904
2163
502
707
903
603
862
1120
1916
2433
679
882
627
1144
2030
978
1493
1845
2528
701
961
744
1427
2110
2452
671
938
846
1187

8

9

10

2105
967
1874
1986
853
1609
1880
738
1285
1759
622
1014

2408
1075
2177
2292
962
1915
2187
847
1592
2069
733
1324

2493
956
1898
2379
843
1634

11

2511
981
1699
2356
820
1281

7

Dimensions – CBA-300-Series (Pneumatic) - in/mm
Metric dimensions in parentheses

Double-Acting Actuators
CBAX30

Actuator Model
CBA 730-SRX
CBA 830-SRX
CBA 930-SRX
CBA 1030-SRX

B
In.
3.00
3.50
4.00
4.50

A
In.
7.63
8.63
9.63
10.88

Spring Return Actuators
CBAX30-SRX

A
Actuator Model
CBA 730-SRX
CBA 830-SRX
CBA 930-SRX
CBA 1030-SRX

8

In.
7.69
8.69
9.69
11.00

MM
195.3
220.7
246.1
279.4

A
MM
193.8
219.2
244.6
276.4

B
MM
76.2
88.9
101.6
114.3

Dimensions – CBA-300-Series (Pneumatic) - in/mm

M3(HW) Overrides

Metric dimensions in parentheses

Double Acting Actuators – CBAX30-M3(HW)

Actuator Model
CBA 730-M3HW
CBA 830-M3HW
CBA 930-M3HW
CBA 1030-M3HW

B
In.
3.00
3.50
4.00
4.50

A
In.
7.63
8.63
9.63
10.88

A
MM
193.8
219.2
244.6
276.4

B
MM
76.2
88.9
101.6
114.3

M3/M3HW – This Jackscrew manual override is a mechanical advantage
device threaded through a special adapter or the end cap of the CBA-300
Series cylinder to exert linear thrust on the actuator’s piston rod. The Jackscrew
override is available for all CBA-300 models with or without handwheel.

Spring Return Actuators – CBAX30-SRX-M3(HW)

A
Actuator Model
CBA 730-SRX-M3HW
CBA 830-SRX-M3HW
CBA 930-SRX-M3HW
CBA 1030-SRX-M3HW

In.
7.69
8.69
9.69
11.00

MM
195.3
220.7
246.1
279.4

9

Dimensions – CBA-300-Series (Pneumatic) - in/mm
Metric dimensions in parentheses

Double-Acting Actuators
CBAX30-M11

Spring Return Actuators
CBAX30-SRX-M11

M11 – This hydraulic manual override is a compact modular system
designed for use with all CBA-300 pneumatic Series actuators. The override
can be used on either spring-return or double-acting models and can be
applied to pneumatic or hydraulic units. Remote mount units are available,
consult factory.

10

M-11 Override

Dimensions – CBA-300-Series (Pneumatic) - in/mm

M-11 Override

Metric dimensions in parentheses

Options
SIL-PAC™ – The unique SIL-PAC solution provides a complete hardware
and Bettis-supplied documentation package,embracing IEC, ISA and
OSHA standards, for use in a SIL application. The CBA-300 Series actuators
have a Failure Modes and Effects Diagnostics Analysis (FMEDA) report
performed by Exida.com™ for SIL suitability. They can be combined with
other components such as solenoid valves, switches and regulators. When
Fisher’s TÜV-certified FIELDVUE® DVC controller is added, SIL-PAC is capable
of partial stroke testing PLUS providing continuous monitoring of supply
pressure, valve position and pressure values to the actuator to verify its
proper working condition. The SIL-PAC package can then be mounted on
the appropriate quarter-turn valve for SIL1, 2 or 3 applications.

Bettis Automated Packages
Bettis offers complete packages as a solution for final valve control. Bettis
has the capability to combine the CBA-300 actuator, necessary controls and
selected valve into a single system – perfect for large international projects.
With this capability, Bettis can integrate its products with the complete
offering of control options, including world-class PlantWeb® digital plant
architecture and the entire range of Emerson automation solutions.

BettiSystemsTM – Bettis has pre-engineered and documented a series
of commonly required control systems. These approved systems utilize
standard components, reduce lead times, and simplify purchasing, installation and start-up. Please consult the factory for additional information.
11

ORDERING / MODEL DESIGNATION

OPTIONAL FEATURES

Spring-Return Example

Double-Acting Example

Fail-Safe Operation

CBA 7 30 SR80-M3-CW

CBA 9 30 M3HW

Bettis 300-Series actuators are
capable of fail-safe operation
using either stored compressed
air (air fail safe) or a mechanical
spring.

Fail “CW”
Jackscrew without handwheel
Spring-Return, nominal 80 psig

Jackscrew without handwheel

Nominal Moment Arm (e.g. 3.0 In.)

Nominal Moment Arm (e.g. 3.0 In.)

Nominal Cylinder Size (In.)

Nominal Cylinder Size (In.)

Center Bar

Center Bar

Trims
Trim options for the 300-Series
actuators include high temperature,
low temperature, no copper
or no yellow metal trims.
Consult factory with your trim
requirements.

Contact Us: Emerson Process Management, Valve Automation facilities at your nearest location:
North & South America

Europe

Middle East & Africa

18703 GH Circle
PO Box 508
Waller, Texas 77484
USA
T +1 281 727 5300
F +1 281 727 5353

Asveldweg 11
7556 BT Hengelo(O)
The Netherlands
T +31 74 256 1010
F +31 74 291 0938

2 Monteer Road, Isando
Kempton Park, 1600
South Africa
T +27 11 974 3336
F +27 11 974 7005

Siemensring 112
D-47877 Willich
Germany
T +49 2154 499 660
F +49 2154 499 6613

PO Box 17033
Jebel Ali Free Zone
Dubai,
United Arab Emirates
T +971 4883 5235
F +971 4883 5312

2500 Park Avenue West
Mansfield, Ohio 44906
USA
T +1 419 529 4311
F +1 419 529 3688
9009 King Palm Drive
Tampa , Florida 33619
USA
T +1 813 630 2255
F +1 813 630 9449

30/36 Allee du Plateau
93250 Villemomble
France
T +331 48 122610
F +331 48 122619

Asia Pacific

4112-91A Street
Edmonton, Alberta T6E5V2
Canada
T +1 780 450 3600
F +1 780 450 1400

6 Bracken Hill
South West Industrial Estate
Peterlee, Co Durham
SR82LS, United Kingdom
T +44 191 518 0020
F +44 191 518 0032

Av. Hollingsworth,325
Iporanga
Sorocaba, SP 18087-105
Brazil
T +55 15 3238 3788
F +55 15 3228 3300

3 Furze Court
114 Wickham Road
Fareham, Hampshire
PO167SH ,United Kingdom
T +44 132 984 8900
F +44 132 984 8901

19, Kian Teck Crescent,
Singapore 628885
T +65 6262 4515
F +65 6268 0028
9/F Gateway Building
No.10 Ya Bao Road
Chaoyang District
Beijing, P.R. China
T +86 10 5821 1188
F +86 10 5821 1100

No 15 Xing Wang Road
Wuqing Development Area
Tianjin 301700
P.R. China
T +86 22 8212 3300
F +86 22 8212 3308
Lot 13111, Mukim Labu,
Kawasan Perindustrian Nilai
71807 Nilai, Negeri Sembilan
Malaysia
T +60 6 799 2323
F +60 6 799 9942
471 Mountain Highway
Bayswater, Victoria 3153
Australia
T +61 3 9721 0200
F +61 3 9720 0588
301, Solitaire Corporate Park
151, M.V. Road, Andheri(E)
Mumbai-400093,
Maharashtra, India
T +91 22 6694 2711
F +91 22 2825 3394
NOF Shinagawa Konan Building
1-2-5, Higashi-shinagawa
Shinagawa-Ku, Tokyo
140-0002 Japan
T +81 3 5769 6873
F +81 3 5769 6902

© 2008 Emerson Process Management. All rights reserved.
The Emerson logo is a trademark and service mark of Emerson Electric Co. “Brand mark listing” are marks of one of the Emerson Process Management family of companies.
All other marks are property of their respective owners.
The contents of this publication are presented for information purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed
as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and
conditions, which are available on request. We reserve the right to modify or improve the designs or specifications of our products at any time without notice.
The color orange, U.S. Reg. No. 2,739,393, is a registered trademark of the Bettis Corporation.

www.Bettis.com

Bettis Brochure # 22.00-5 REV: 6-08 2.5M/6-08



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