Actuator Valve

A valve actuator is the mechanism for opening and closing a valve. Manually operated valves require someone in attendance to adjust them using a direct or geared mechanism attached to the valve stem. Power-operated actuators, using gas pressure, hydraulic pressure or electricity, allow a valve to be adjusted remotely, or allow rapid operation of large valves. Power-operated valve actuators may be the final elements of an automatic control loop which automatically regulates some flow, level or other process. 

Types of Actuator

Depending on the kind of movement they make, and the source of energy used to function, there are different types of actuators.

Pneumatic Actuator
Diaphragm Actuator
Electric Actuator

Specification of Actuator

Double acting (open / close operation by air) or spring return (either air close or air open and return to rest position by springs)Heavy aluminium made, resistant to most of corrosive agentsClean air (dry or lubricated) oil or non-corrosive gas feed at maximum pressure of de 10 bars90º turn (quarter turn) with a 4º tolerance in open / close operationTemperature range from –20ºC to +80ºC under normal working conditionsConstant and high torque outputVisual position indicatorRegulating limit stops in opening and closeManual device for Emergency Operation (double acting only)

They are specially designed to allow a perfect fit with the valve’s body and making it completely watertight. Their O-RINGS allow a perfect seal with the flanges without requiring any additional joints. For the valve life and perfect working it is imperative that the right seat material is chosen for the line conditions, i.e., temperature and chemical composition of fluid.

Small electric actuators can be used in a wide variety of assembly, packaging and testing applications. Such actuators can be linear, rotary, or a combination of the two, and can be combined to perform work in three dimensions. Such actuators are often used to replace pneumatic cylinders.

Brand of Butterfly Valve

JUAL ACTUATOR VALVE
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