What is the proper direction of flow through...

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Question 1 of 2066636ee728f7522a1c5186aa

What is the proper direction of flow through a globe valve when the valve is installed to be in a normally open position?

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Question 1 of 20

66636ee728f7522a1c5186aa

What is the proper direction of flow through a globe valve when the valve is installed to be in a normally open position?

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🔍 Key Concepts

• Globe valve construction – flow path, seat, and disk location • How pressure acting on the disk affects opening/closing force and wear when the valve is normally open • Why manufacturers mark a preferred flow direction for globe valves

💭 Think About

• Think about where the higher system pressure will usually be and how that pressure should act on the disk when the valve spends most of its life open. • Consider what happens during valve closing: do you want the flow and pressure to help you close the valve, or to resist closing and cause more wear on the seating surfaces? • Ask yourself how reverse flow or throttling in a normally open line would affect the stability of the disk if the flow entered from above vs. below the seat.

✅ Before You Answer

• Identify where the seat and disk are located in a globe valve and what “above” and “below” the seat physically mean. • Consider which direction of flow will minimize erosion of the seat and reduce operating force when closing from a normally open condition. • Eliminate any option that suggests flow direction is irrelevant in a globe valve, since these valves are typically designed with a preferred flow direction.

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Question 1 of 2066636ee728f7522a1c5186aa

What is the proper direction of flow through a globe valve when the valve is installed to be in a normally open position?

Back

Question 1 of 20

66636ee728f7522a1c5186aa

What is the proper direction of flow through a globe valve when the valve is installed to be in a normally open position?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed