Installation of a gauge marked YS on top of the serve and receive tube
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Question: When building a plant, there is a ball receiving and sending cylinder. In terms of instrumentation and electrical systems, there are several interfaces on it – one for the pressure gauge, and another labeled YS in the flow diagram; it seems to be something used for ball passage testing. I’ve never seen this before. Those who have worked with it could please explain how to install it? It’s not shown in the drawings
According to the usual meaning of the letters, it should be a status detection switch. Of course I’m not sure; usually there’s a legend to explain it, let’s take a look
The poster is referring to the ball-pass indicator, right? Manufacturers usually include it
It is indeed a pigging indicator, an instrument for monitoring the position through which the pig passes
Pigging indicator; YS generally represents this