Problems with seismic pressure gauges
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What are the applications for seismic pressure gauges (silicone oil-filled pressure gauges)? Must it be installed vertically during installation?
It is installed vertically for normal use.
Places with significant vibration, such as the water pump outlet and compressor outlet, etc.! There is an exhaust port on top, so it should be installed vertically!
It must be installed vertically; other installation methods may cause the top exhaust port to loosen due to pipe vibrations, resulting in silicone oil leakage
Seismic pressure gauges are suitable for locations with high vibration, such as pump outlets； It must be installed vertically; otherwise, the oil inside the gauge will leak.
This post was last edited by FORREST_GUMP on 2015-10-7 at 16:44. I would like to ask the experts: is it necessary to cut a small hole in the rubber plug at the top of the vibration-resistant pressure gauge to allow communication between the gauge casing and the atmosphere?
I’m no expert; we all learn from sharing ideas together, and what I say might not necessarily be correct. It needs to be cut off during normal use, as it serves a safety purpose; in the event that the gauge’s spring tube leaks, the medium and oil can be released from the top, thereby preventing the gauge from exploding due to excessive pressure and causing injury. But in actual use, many people do not cut it open.
Thank you for your guidance! Putting aside the installation protection, does not cutting off the blockage at the top affect the accuracy of the measurements?
It has no impact on the accuracy of the measurement.
Yes, a pressure gauge measures the pressure between the medium and the atmosphere. If the rubber plug is not cut open, pressure will build up inside, causing the actual atmospheric pressure to change. This has an impact on the measurement results in micro-pressure or low-range pressure gauges, while the effect is smaller in gauges with a larger range