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The ValtekSul spring cylinder actuator is a powerful, high-performance pneumatic unit that provides positive throttling operation for automatic globe control valves.
The LA Series actuator is fully field reversible for air-to-open or air-to-close action without additional parts; a spring provides fail-safe operation.
Linear Actuator
Spring Cylinder

■ Sizes
LA Series: 15; 25; 50; 100
200; 300; 400; 600
LA-S Series: 25; 50; 100; 150
200; 300; 400; 500
LA-UC Series: 25; 50; 100; 200
LA-EF Series: 100; 200; 300; 400
■ Materials Cylinder
Anodizado Aluminum
Carbon Steel painted
Yoke
Phosphate, painted ductile Iron
■ Auxiliary Equipment
Handwheels
Air Filters
Flow Booster
Positioners

The ValtekSul RA Series spring cylinder rotary actuator is a high pressure, rugged
and compact actuator with high torque and pneumatic stiffness for excellent throttling capabilities. The actuator uses a rocking piston for direct conversion of linear motion to rotary motion.
Rotary Actuator
Spring Cylinder

■ Sizes
LA Series : 25; 50; 100; 200
■ Cylinder Materials
Anodized Aluminum
Epoxi painted
Yoke
Phosphate, painted ductile Iron
Splined Lever Arm
Ductile Iron

The Logus pneumatic scotch yoke ValtekSul actuators are the cost-effective choice for on-off and inching applications of quarter turn medium-to-large size valves in general process industries.
Rotary Actuator
Extra-reforçado Tipo Scotch-Yoke

■ Size: 50; 100; 200
■ Cylinder Materials
Carbon Steel
Interior surface is honed and
hard chrome plate
Scotch-Yoke
Ductile Iron
Rod Bearing
PTFE lined metal
Reinforced bronze bearing
Piston Seals
High strenght Alloy spring steel
Spring module
High strenght Alloy spring steel
High cycle life performance
Linear Actuators
Rotary Actuadors
Rack Pinion Actuator
Scotch Yoke Actuator
literature.valteksul.com
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