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Help! As shown, how are the positioner and limit switch installed together

2020-11-14View Original

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I would like to ask the experienced colleagues: how can such positioners and limit switches be installed on the actuator together?
Reply #22020-11-16
The valve positioner is connected to a limit switch to accurately determine the degree of opening
Reply #32020-11-19
It’s quite troublesome to do it by oneself – a new limit bracket would need to be made, one that can be shared with the locator; height also needs to be taken into consideration, possibly requiring the use of an extended rod. Additionally, a fixed connecting piece is required to link the limit rod to the cylinder shaft or the locator’s feedback rod. Stability is another issue; for newly installed valves, it’s best to have the manufacturer fabricate it according to the specific dimensions
Reply #42020-11-20
In this situation, it’s very difficult even for valve manufacturers to handle it; it’s truly tough. The actuator is from the Avp300 series, and the limit switch seems to be from Topworx. My suggestion is to replace the limit switch – use a Yaskawa model if it’s a mechanical type, and a B+F model if it’s an inductive type.
Reply #52020-12-04
Thank you for getting back to me~ I’ve newly made some brackets and parts, but they haven’t been installed yet
Reply #62020-12-04
Thank you for your suggestion; the model was specified by the customer, {:3_65:}

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