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This post was last edited by pks123 on 2011-5-19 at 14:48. There are currently two double-flange capillary level gauges, and their service life has been less than half a year! ! ! ! The main issue is with the diaphragm box: 1. The diaphragm box is bulging, but the silicone oil is still there. 2. The diaphragm is flat, but the silicone oil is gone. 3. It is mainly a problem on the high-voltage side. The low-voltage side is all normal! 4. Model: 3051 cd3a22a1as2m5b4e5 1199mcc60dffwggca00 1199wcc55defw7gca10c. 5. Operating environment: Temperature: 200 degrees Celsius, Pressure: -95 KPA; Medium: Tire-reinforcing resin. 6. Two models have been used: diaphragm protruding type and sanitary type. 7. Corrosive and highly toxic! Is there any solution? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Negative pressure, corrosion, highly toxic substances, high temperature: L – just one point
:$Our factory also uses Rosemount pressure transmitters with RF1 refrigerant, but there is always a flow reading on the DCS, even when the valve ahead is closed; sometimes this reading is negative. . . It’s similar to your question; in my opinion, the quality of the instrument itself is not an issue. The key lies in the selection of the instrument, taking factors such as operating conditions, cut-off values, and the surrounding environment into account. It’s important to put effort into making the right choice in order to best meet one’s own needs.