HF storage tank level measurement
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Anhydrous hydrogen fluoride (HF): damn, the pressure is 0.4 MPa and the tank height is around 4 meters. Currently, radar level gauges and external level measurement methods are being used, but the electronic components of the radar level gauges get corroded frequently. The flanges used for these radar gauges are made of 316 material with PTFE coating; it seems that this is due to the permeability of HF. Is there a better way to measure the level?
Are there differential pressure transmitters with gold-plated diaphragms? Can the radar PTFE isolation window be made thicker? How thick is yours? We’ve used ones that are 80 cm thick.
There are no openings on the side of the device, so differential pressure is likely not applicable; for the radar, it’s normally around 0.3 mm