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Actuator Data
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Actuator Size

0

1

2

2A

3

4

5

Outside Diameter

6"

7-3/4"

9-1/2"

12-1/4"

14-7/8"

18-1/8"

22"

Air to Air

1-3/8"

1-3/4"

2-3/16"

3-1/4"

3-3/8"

5-3/16"

6-3/8"

Spring Closed or Spring Open

1-5/8"

2-1-16"

3"

3-5/8"

3-7/8"

5-3/4"

6-7/8"

Max Air Pressure (PSIG)

200

150

200

130

110

100

95

Air Consumption (Cubic Inches)

20

32.6

52.5

157

280

390

1800

Effective Area (Sq Inches)

10

20

33

59

83

134

231


Efficiency - with seven interchangeable sizes - longer strokes and higher air pressure capability - Century actuators provide for maximum use of available power.

Note that the No. 0 actuator in the double-acting (air to close-air to open) version will fully stoke a 2-1/2" valve - while the air to spring version will fully stroke a 3" valve. This compares with our nearest competitor's smallest actuator which can only fully stroke a 1-1/4" valve.

Rugged: The high grade - 30,000 lbs. per square inch tensile strength cast iron diaphragm cases - together with uniquely produced actuator diaphragm and steel diaphragm plates, allow the use of higher operating air pressures, with consequent reduction in the size and cost of the actuator required.

The actuator diaphragm, which is produced and molded under an exclusive process, is batch tested at 125 psig. operating air pressure for 175,000 strokes before the batch is released to the valve assembly department.


Valve Strokes

Valve Size

1/2"

3/4"

1"

1-1/4"

1-1/2"

2"

2-1/2"

3"

4"

6"

8"

Stroke

1/4"

3/8"

1/2"

5/8"

13/16"

1-1/8"

1-3/8"

1-5/8"

2-1/8"

3-1/8"

4-5/8"

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