How to remove the scale formed by circulating water inside the sealing gland?
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It’s already blocked; mechanical methods cannot clear it
Pickling – we do this often, in PX, hydrogenation, reforming, catalysis, and so on! !
Just use a new gland, and that will solve everything, right, OP?
Just use a new gland and everything will be solved
Only chemical methods can be used, by adding scale remover.