Control Valve Travel Stop

The stem adaptor should not bind during operation.

Control valve travel stop.

If the actuator is equipped with an. In fact these travel stops are used to limit the stem travel at certain travel whether limited to travel in the up direction or down direction. This video shows you how to adjust the travel stop on an already assembled marwin valve. This restriction usually comes because of the capacity limitation in the downstream of the control valve.

The handwheel is furnished with a spring loaded ball detent which prevents vibration from changing the setting. It might be possible to assemble the valve in such a way that the mechanism at full travel never quite closes the valve avoiding the need for an add on mechanical stop. It might be possible to configure the control system in such a way that there is always a signal to the valve that is different to that required to provide the shut position. A travel stop in control valve is used as a mechanical limiter for stem travel.

They are used to limit travel in the up down or up and down. If you have any questions or need further assistance please contac. Adjustable travel stops top mounted adjustable travel stops are available for 657 and 667 series actuators. This restriction usually comes because of the capacity limitation in the downstream of the control valve.

In fact these travels stops are used to limit the stem travel at certain travel whether limited to travel in the up direction or down direction. Adjust the travel stop bolts of the actuator for the proper open and closed valve positions per valve manufacturer s recommendations. Bolt the actuator to the bracket.