Surepowr™ II
Series*
 
Highly reliable
Costs less to install and operate than pneumatic and hydraulic actuators
Shock absorber feature graduates emergency operation to prevent shock damage to piping, valve and actuator.

 

Ideal for valve and damper applications where high reliability, accurate open/close speeds and automatic emergency shut-off or expurge are desirable.

*(SURE) Spring Unified Rotary Electric
 
Easy, Low Cost Installations
Connects to standard 2-wire, 120 Vac 60Hz, 1 Ph, power line.
(Optional 220 Vac, single phase)
Low Maintenance and Operating Costs
No pumps, compressors or troublesome hoses, and tubing. Requires less electrical power than pneumatic and hydraulic systems.
Proven Dependability
Ideal For Automated Systems
The Most Economical, High
Performance Electric Rotary/
Spring Return Actuator Available
Will Automate

 Ball Valves - 1/4” to 2”
 Butterfly Valves - 2” to 4”
 Plug Valves - 1/4” to 1 ½”
 Switches
 Safety Devices

 
STANDARD SPRING RETURN ROTATION


 
1. Switch SW1 (supplied by customer) shown for illustration purposes only.
2. Power to terminal TB1-2 will operate unit to counterclockwise (CCW) position.
3. Power to terminal TB1-3 will operate unit to clockwise position.
4. Thermal overload resets automatically and is standard on NEMA  4 and NEMA 7 classifications.
5. Diagram shows actuator powered to clockwise (CW) position.
6. Loss of power will drive actuator to fail safe position as specified by customer.
SERIES SURE 49
Electripowr
Type SR
600 Inch Pound Torque Output
 
 

 
 

 
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January 17, 2000