Something on the instrument air pipeline
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What is this? From left to right, filtered?
A nebulizer and a rotameter also need to be added
Pressure relief valve + oil cup, generally used in places that require mechanical action for lubrication purposes.
Air source treatment two-piece unit, with air intake on the left and outlet on the right; its functions are filtration and pressure reduction, as well as oil misting.
Agreed, we usually use cylinder valves on our end
The first time I saw this was when I first started working; it was on the furnace equipped with a pressure relief device, and there was also an acoustic soot blower – those components together made up what is known as a triple unit.
Pneumatic triple units are available online, but they are less commonly used these days
What’s the use of the final flow meter? It doesn’t seem to make much difference~!