🔍 Key Concepts

• Fuel oil disk-type centrifuge operation as a separator vs purifier • Purpose of sealing water and the discharge (gravity) ring in a separator • Where fuel oil and water/sludge are supposed to exit when the machine is correctly set up

💭 Think About

• Think about what it means if FUEL OIL is coming out the waste water outlet instead of the clean oil outlet—what does that say about the separation interface? • Which component (speed, water seal, or discharge ring) actually controls the level/interface between oil and water inside the bowl? • Ask yourself: in separator mode, what must be established or restored inside the bowl so that water and sludge go to one side and clean oil to the other?

✅ Before You Answer

• Verify what the sealing water does at start-up and during normal operation in separator mode • Confirm which outlet is controlled by the discharge (gravity) ring and how changing its size or presence affects the oil-water interface • Check whether centrifuge speed mainly affects separation efficiency, or the location of the oil/water interface inside the bowl