SIRCA PNEUMATIC ROTARY ACTUATORS  
  CENTORK QUARTER TURN PNEUMATIC ACTUATORS  
  CENTORK QUARTER TURN PNEUMATIC ACTUATORS.DOUBLE ACTING  
  CENTORK QUARTER TURN PNEUMATIC ACTUATORS.SINGLE ACTING  
  CENTORK LINEAR PNEUMATIC ACTUATORS  
  CENTORK ON/OFF LINEAR PNEUMATIC ACTUATORS  
  CENTORK MODULATING LINEAR PNEUMATIC ACTUATORS,WITH EXTERNAL SPRING  
  CENTORK PROPORTIONAL LINEAR PNEUMATIC ACTUATORS,WITH CHARACTERIZABLE CAM  
  LINEAR AND QUARTER TURN ACTUATORS SPECIAL SOLUTIONS  
 
CENTORK QUARTER TURN PNEUMATIC ACTUATORS.DOUBLE ACTING

The Most compact solution to achieve high torques by pneumatic means. The experienced connecting rod mechanism of the “Scotch-yoke” type guarantees a reliable performance. Double acting performance, strong casing. The CENTORK quarter turn double acting pneumatic actuators, offer the following variants:


•ON/OFF Actuator: with different types of solenoid valves to be mounted on them ( Namur, ISO, single or double coil, single or double valve).
• Modulating Actuator: with different types of positioners (pneumatic, electropneumatic, digital).
• Handwheel optional. Hydraulic hand pump optional. 
• Usual accessories: limit switchboxex, Filter and/or regulator unit, position transmitter. 
• Security position, ESD position pneumatic circuit available. Security air tank available. 
• Partial stroking testing device (optional).


TECHNICAL DATA
ON/OFF, DOUBLE ACTING
MODULATING, DOUBLE ACTING
Torque range at 6,3 bar
1200, 2500,3900,6200,12600,19800
1200, 2500,3900,6200,12600,19800
Max. working pressure 10 bar
YES
YES
Control signal
pneum.:3-10 bar elect.: 24,48V / 110, 220V 50Hz
pneum.:0,2-1 bar; 3-15 psi elect.: 4-20 mA; 0-10V
Mechanical end-stops
YES
YES
Output coupling to valve according to ISO 5211
YES
YES
Counter clockwise as standard
YES
YES
Service temperature - 10 ℃ to 70℃
YES
YES
Emergemcy manual handwheel (option)
YES
YES
Please check corresonding technical sheets.





REF
0 CYLINDER
FLANGE
A
I
L
P
Q
Nm at 6 bar
1685-008
125
F14
1544
411
534
188
1/2"G.
1200
1695-025
160
F16
1697
411
534
188
3/4"G.
2500
1965-039
200
F25
1937
558
670
234
3/4"G.
3900
1965-062
250
F25
1988
558
670
234
1"G.
6200
1965-126
320
F30
2066
558
670
234
1"G.
12600
1965-198
400
F35
2623
716,5
835
309
1"G.
19800