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Actuators

LA SERIES

Linear Actuator
Spring Cylinder

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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

Size
LA Series
: 15; 25; 50; 100;

                  200; 300; 400; 600

LA-S Series: 25; 50; 100; 150                            200; 300; 400; 500

LA-UC Series25; 50; 100; 200

LA-EF Series100; 200; 300; 400

Materials Cylinder
Anodizado Aluminum

Carbon Steel painted

 

Yoke

Phosphate, painted ductile Iron

Auxiliar Equipment
Handwheels

Air Filters

Flow Booster

Positioners
 

RA SERIES

Rotary Actuator
Spring Cylinder

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The ValtekSul RA Series spring cylinder rotary actuator is a high pressure, ruggedand 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

Sizes
LA Series: 25; 50; 100; 200

Cylinder Materials
Anodized Aluminum
Epoxi painted


Yoke
Phosphate, painted ductile Iron


Splined Lever Arm
Ductile Iron

LOGUS

Rotary Actuator
Extra-reinforced Scotch-Yoke Type

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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.

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

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