What pump removes contaminated fuel from the bottom of the fuel oil storage tank?

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Removing contaminants from the tank bottom is done with a pump that is designed to strip or draw off what settles at the very bottom. The stripping pump is specifically used to remove the heavy sludge and contaminated fuel that collect at the tank bottom during routine maintenance or fuel changeovers. It is positioned to pull from the bottom outlet, ensuring the accumulated sediment is evacuated before the remaining fuel is transferred or stored, which helps keep the system cleaner and prevents sediment from circulating through the lines.

Other pumps serve different roles: a transfer pump moves usable fuel from one tank to another, a boost pump increases pressure for that transfer, and a scavenging pump is used to remove residual liquid from a tank or lines but is not specifically targeted at bottom stripping like the stripping pump.