Can the transmitter opening be slightly enlarged?
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There is a level transmitter for the monophosphate sump; our company only has Ganhe models with a DN80 diameter, but the site available features openings of DN40 and DN25 only. Since the equipment is in operation on site, it is not allowed to open it or perform any welding work. I would like to ask whether it is possible to add an elbow after the shut-off valve on the DN40 and DN25 spools, to change the diameter to DN80, and then install a transmitter. If it’s not possible, are there any standard guidelines?
No problem, just add a betrayal element
A variable diameter can be added, but it must be a concentric one
This post was last edited by queny on 2016-11-22 09:28. It is recommended that you not do this; instead, use a separate opening. Phosphoric acid tends to clog easily (especially concentrated phosphoric acid; diluted phosphoric acid is fine). Using a design that changes from small to large size will definitely lead to blockages. In our phosphoric acid tanks, we try to use insert-type diaphragms or flanges with an inclined opening for the liquid level control.
When the diameter of a conventional medium changes, it is sufficient to consider concentricity. Our factory used to do this by adding a diameter-changing section at the top of the condensation tank; however, there was no shut-off valve in that section. As mentioned earlier, it is necessary to take into account the degree of crystallization of the medium
For this occasion, buy a new transmitter