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How to test the spill oil filled pressure gauge?

2020-11-26

JVTIA

166

Oil filled pressure gauge is a sensitive element (by table Bourdon tubes, bellows, bellows) Elastic deformation, the pressure deformation by the transformation of movement in table to Pointers, cause the hands to display the pressure. When we test the oil filled pressure gauge, not only to test the appearance, such as precision, but also to examine whether it leak. How can the test oil filled pressure gauge whether the oil? When inspection oil filled pressure gauge, the pressure gauge on 60 ℃ heating thermostat placed in the oven for 30 minutes, take out after for leakage phenomenon. If the oil filled pressure gauge oil plug is not plugged or not good, or filling oil plug burst can cause oil leakage. If the cover ring is a margin oil filled pressure gauge, a margin no good roll, can cause oil leakage. Another is the gasket installation does not reach the designated position, can also lead to leak. Oil filled pressure gauge is refers to the elastic element as the sensitive element, the measure and instructions above environment pressure meter, the widespread application, it almost throughout all of the industrial process and research fields.

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