Gate valves should not be used for...

Gate valves should not be used for...

Question 1 of 270705eccef9bbacbc34ba4d45383

Gate valves should not be used for throttling as __________.

Question 1 of 27070

Q

Gate valves should not be used for throttling as __________.

🔍 Key Concepts

• Gate valve design and purpose compared to globe valves and needle valves • What happens to fluid flow and valve components when a partially open gate valve is used to control flow • How high-velocity flow affects the seating surfaces (disc and seat) of a gate valve

💭 Think About

• Think about which type of valve is normally used for throttling and why that design handles restricted flow better than a gate valve. • If a gate valve is left only partly open, what does the jet of fluid do as it squeezes past the edge of the disc and seat over time? • Which option describes a long‑term damage mechanism to the valve internals, rather than just a temporary operating condition like pressure change or air in the line?

✅ Before You Answer

• Identify which choice refers to physical erosion/damage of the valve parts, not just system behavior like pressure or air pockets. • Ask yourself: does throttling with a gate valve usually require an equalizing line in practice? Verify that against your systems knowledge. • Eliminate options that describe effects more typical of pumps or tanks (like air binding) rather than the internal condition of a throttling valve.