DIAPHRAGM ACTUATOR

PNEUMATIC DIAPHRAGM LINEAR ACTUATOR
SINGLE ACTING TYPE

The PROVAL diaphragm actuator spring opposed diaphragm actuator provides precise, high thrust performance in a lightweight, compact format. The diaphragm actuators are designed afresh applying multi-spring type, so that these actuators are materialized to be miniaturized and light weighted as a new style. The PROVAL diaphragm actuators provide the operation to control the valve travel balancing between the force on the diaphragm by the signal air pressure, and the spring force.

By combining PROVAL positioner, the series brings about high accuracy of positioning.

CYLINDER ACTUATOR

PNEUMATIC CYLINDER LINEAR ACTUATOR

The PROVAL Cylinder actuator designed for a wide range of globe valves. PROVAL Cylinder actuator uses in control or on/off services. Actuator’s thrust capacity is much greater than similar size diaphragm type actuator because of air pressure as high as 700Kpa (7bar) being used.

PROVAL Cylinder actuator operates either as a single acting or double acting type. Positioner is usually mounted on yoke. Double acting type actuator has a two air connection. The cylinder actuators provide the operation to control the valve travel balancing between the force on the piston by the sigal air pressure, and the spring force.

By combining positioner, the actuator brings about high accuracy of positioning.

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