Instruction Manual
D100331X012
1066 and 1066SR F & G Actuators
October 2012
3
Table 2. Volumetric Displacement
ACTUATOR
SIZE
DISPLACEMENT VOLUME
(1)
CLEARANCE VOLUME ABOVE PISTON
(1)
CLEARANCE VOLUME BELOW PISTON
(1)
cm
3
Inch
3
cm
3
Inch
3
cm
3
Inch
3
1066
20 688 42 410 25 1804 110
27 1312 80 410 25 4014 245
75 2622 160 1180 72 1442 88
1066SR
20 688 42 410 25 --- ---
27 1311 80 410 25 --- ---
75 2622 160 410 25 --- ---
1. Total volume to stroke piston down is equal to displacement volume plus clearance volume above piston.
Description
The 1066 is a direct-acting pneumatically operated actuator. The 1066SR is a spring-return pneumatically operated
actuator with a positioner (see figure 1). Both actuators are used for throttling or on-off applications with splined shaft
valves. These actuators can be used on eccentric disc 8532 and 8560 valves; CV500 and V500 valves; Vee-Ball™ V150,
V200, and V300 valves; and 9500 valves. The 1066SR fully retracts the piston rod towards the top of the cylinder upon
loss of loading pressure.
The actuator is field-reversible between PDTC (push-down-to-close) and PDTO (push-down-to- open) action
depending on mounting position (see figure 2). Refer to the Actuator Mounting section to c hange valve/actuator
action or its position. The G mounting adaptation is for 9500 rotary butterfly valves, and the F mounting adaptation is
for most other rotary high performance valves.
Specifications
Specifications for the 1066 or 1066SR rotary actuator areshownintable1.Specificationsfortheactuatorasit
originally came from the factory are stamped on a nameplate attached to the actuator.
Educational Services
For information on available courses for 1066 and 1066SR Style F and G actuators, as well as a variety of other
products, contact:
Emerson Process Management
Educational Services, Registration
P.O. Box 190; 301 S . 1
st
Ave.
Marshalltown, IA 50158-2823
Phone: 800-338-8158 or
Phone: 641-754-3771
FAX: 641-754-3431
e-mail: education@emerson.com
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