How can the drainage system for pipes carrying flammable and toxic fluids be made airtight?
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For the drainage of pipes carrying flammable and toxic fluids, it usually involves a branch pipe with a valve at the top and a blind flange at the end. So, how is the drainage process carried out in practice? How can it be done in such a way that the system remains sealed with minimal leakage? Surely you can use a bucket to catch it, right? These are a bit dangerous, right?
Anything that needs to be collected in a sealed manner is connected to a collection system, usually ground tanks
A ground tank can be used, or an additional small pipe can be installed to lead the fluid to a storage tank for centralized collection.