Fisher Controls International LLC

Joseph Losh

Seth Kranz

A regulator comprises a regulator valve and an actuator. The actuator is coupled to the regulator valve and comprises a control element for controlling the flow of fluid through the regulator valve. The actuator is additionally equipped with a pressure averaging sense tube to sense the actual pressure at the outlet of the regulator valve. The actual pressure is then supplied to a sensing element such as a diaphragm of the actuator to adjust the position of the control element. The pressure averaging sense tube includes an open sensing end and an elongated slot. The elongated slot advantageously senses and averages the pressure across the length of the sense tube to maximize the accuracy of the pressure signal supplied to the sensing element.

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Van Alstyne, TX, United States of America

Joseph Losh