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This product is not eligible for return or exchange unless defective. Once production has begun, order cannot be canceled even if it is not shipped yet. We suggest that you would double-check the product specifications and features to make sure the item complies with your requirements.
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Dwyer Instruments, 15S643, LIN-E-AIRE Air-to-Lower Valve Senior Actuator
The Lin-E-Aire Valve Actuators are used for automatic operation of the control valve. The opening, closing or throttling of the valve plug in the valve body is accomplished by varying the air pressure to the diaphragm in the actuator. This pressure is transmitted from a control device, which may be controlling pressure, liquid level, temperature or flow.
Air-to-Lower - Termination Nos. 220 thru 223, 240 thru 244. Air pressure moves the push rod downward compressing the spring. In the event of air failure, the push rod moves to its extreme upward position.
Item is non-returnable unless defective
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