Both Yamaku and Samson positioners are equipped with a double-acting amplifier when used with double-acting actuators
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When used with double-acting actuators, both Yamaku and Samson positioners are equipped with a double-acting amplifier. Are there any domestic versions of this double-acting amplifier? The ones supplied by the manufacturer are too expensive!
There are domestic ones; just search online.
It’s not some high-tech product; there are many domestic versions of it.
It is not recommended to use domestic versions, as they may be unstable