To prevent air pockets from forming in a...

Question 1 / 270705eccef9bbacbc34ba4d45464

Question 1 of 270705eccef9bbacbc34ba4d45464

To prevent air pockets from forming in a centrifugal pump suction line installed angled from normal, any gate valve should be installed with the __________.

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Question 1 of 27070

To prevent air pockets from forming in a centrifugal pump suction line installed angled from normal, any gate valve should be installed with the __________.

🔍 Key Concepts

• Centrifugal pump suction line behavior when not perfectly horizontal • How air pockets or bubbles migrate and collect in piping systems • Effect of gate valve stem orientation on where trapped air will gather

💭 Think About

• Visualize the pipe run with liquid flowing toward the pump and imagine where the highest points are along the line. • Think about where air naturally wants to rise and collect in relation to the valve body and stem orientation. • Ask yourself: which stem position makes it hardest for air to sit and block flow at the valve?

✅ Before You Answer

• Identify which valve orientation puts the interior cavity of the valve at or below the pipe’s flow centerline so air cannot easily accumulate there. • Check which option minimizes the chance for a high pocket to form at the valve bonnet or around the stem. • Eliminate any choice that would put a cavity or high spot above the main flow path in the suction line.

Question 1 of 27070

To prevent air pockets from forming in a centrifugal pump suction line installed angled from normal, any gate valve should be installed with the __________.

bonnet above suction pipe centerline

centerline above the suction pipe centerline

stem pointing upward at right angles to the pipe

stem horizontal or pointing downward below the pipe

Question 1 / 270705eccef9bbacbc34ba4d45464

Question 1 of 270705eccef9bbacbc34ba4d45464

To prevent air pockets from forming in a centrifugal pump suction line installed angled from normal, any gate valve should be installed with the __________.

Back

Question 1 of 27070

To prevent air pockets from forming in a centrifugal pump suction line installed angled from normal, any gate valve should be installed with the __________.