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Three position feed control valve

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article image Air & Hydraulic’s globe valve.

AIR & Hydraulic Systems has released a new range of pneumatically operated globe valves suitable for controlled 'dribble feed' applications.

With bodies in either bronze or stainless steel, these valves are fitted with a simple two port, three position pneumatic actuator which permits the valve to be set in either the fully open, intermediate (dribble feed) or fully closed position.

As is the case with normal two position pneumatically operated angle seat valves, with no pneumatic signal to the actuator, the valve is fully closed. With a pneumatic signal applied, it will be fully open.

However, by providing a pneumatic signal to the second port on this three position actuator, an intermediate position will be achieved which is externally set, and adjustable anywhere between open and closed.

Control of flow is made more accurate by the use of a parabolic cone in all sizes from 1/2" to 2", and bodies are available in threaded, flanged or butt-weld types.

The valve is suitable for air, steam, water, beverage and a variety of chemical applications.

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