When replacing packing rings in the stuffing...

Question 1 / 270705eccef9bbacbc34ba4d45371

Question 1 of 270705eccef9bbacbc34ba4d45371

When replacing packing rings in the stuffing boxes of reciprocating pump piston rods, the ends of the rings should be cut __________.

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Question 1 of 27070

When replacing packing rings in the stuffing boxes of reciprocating pump piston rods, the ends of the rings should be cut __________.

🔍 Key Concepts

• How packing rings seal around a reciprocating pump piston rod • Why you want to stagger the joints between adjacent packing rings • The difference between square, beveled, step-designed, and diagonal cuts in terms of leakage paths

💭 Think About

• Think about which type of cut makes it easiest to avoid having all the joints line up in a straight path for fluid to leak through. • Consider which cut shape allows the joint to close tightly under compression when the gland is tightened. • Ask yourself: in practice, what joint style is most often recommended for soft packing around moving rods or shafts to minimize leakage and wear?

✅ Before You Answer

• Verify which joint style best breaks up a straight leak path through the stuffing box. • Check which cut type allows good contact area between the two ends of the ring when compressed. • Eliminate any cut that would naturally tend to open up under movement of the piston rod rather than stay tight.

Question 1 of 27070

When replacing packing rings in the stuffing boxes of reciprocating pump piston rods, the ends of the rings should be cut __________.

square

beveled

step-designed

diagonal