What does hw mean in PID?
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What does hw mean in PID?
Look at the image on the home page; different companies have different rules
Hot water, HW hot water
It is usually hot water; it depends on the design specifications
The legend on the home page of the PID diagram is very important! There are certain differences among different design companies
It generally indicates hot water, and there will be an explanation in front of the image
It really depends on the image on the home page; if it’s not there, then check the location indicated – whether it’s a symbol for a gauge or a symbol for a pipe. I checked it according to the standards specified in the design drawings.