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In industrial settings, it’s common to hear statements like: “The equipment is still running, why shut it down?” “If we shut it down now, who will bear the loss?” “It was just repaired last year, why is it failing again?” These questions are heard every day. But what’s more difficult is the aftermath of an […]

When engineers first look at a piping or P&ID drawing, one thing becomes immediately noticeable:there are not many words, but there are many letter combinations. These letters are what we commonly call valve and piping codes.At first glance, they may look complicated, but in reality, they are simply a compact way of expressing technical information.

A Practical Guide to Flow Measurement and Flowmeter Selection Introduction Why does an electromagnetic flowmeter become less accurate when measuring sludge-containing wastewater?Why does a steam flow measurement still fluctuate badly even when an imported differential pressure transmitter is installed?Why does an oval gear flowmeter measuring lubricating oil seize after only a few months of operation?

1. Instrument Body and Accessories Inspection 1.1 Pressure Gauges / Differential Pressure Gauges Inspection Points: Check whether there is condensation, water droplets, or moisture inside the gauge. Ensure the pointer is intact, without falling off, sticking, or abnormal movement. Confirm the dial scale is clear and legible. Inspect the gauge body for deformation, mechanical damage,