The function of seal cages, or lantern rings...

The function of seal cages, or lantern rings...

Question 1 of 270705eccef9bbacbc34ba4d45442

The function of seal cages, or lantern rings installed in the centrifugal pump stuffing boxes, is to __________.

Question 1 of 27070

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Study area:

Q

The function of seal cages, or lantern rings installed in the centrifugal pump stuffing boxes, is to __________.

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🔍 Key Concepts

• Centrifugal pump stuffing box components and purpose • How sealing or cooling liquid is introduced around the shaft • Difference between cooling, lubricating, and sealing functions in a stuffing box

💭 Think About

• Think about where the seal cage/lantern ring sits in relation to the packing and the inlet for sealing water or liquid. • Ask yourself: which part in the stuffing box actually contacts and cools the shaft, and which part’s job is to route fluid? • Consider what would happen to the packing and shaft if the lantern ring were removed—what function would be lost first?

✅ Before You Answer

• Identify where sealing liquid enters the stuffing box and how it is spread around the shaft. • Clarify whether the lantern ring itself provides cooling, lubrication, or a flow path for another medium to do those jobs. • Verify which option best describes a distribution role rather than a direct mechanical sealing or cooling role.