QQuestionEngineering
QuestionEngineering
Which type of valve is used to isolate a pump on the suction side?
A. Butterfly valve
B. Globe valve
C. Gate valve
D. Ball valve
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Answer
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Step 1:I'll solve this problem step by step:
Step 2:: Understand the Valve Requirements for Pump Suction Side
When isolating a pump on the suction side, the valve must: - Provide full, unrestricted flow - Have minimal pressure drop - Offer tight shut-off capability - Be able to completely open and close
Step 3:: Analyze Valve Characteristics
- Butterfly valves: Partial obstruction, not ideal for full isolation - Globe valves: High pressure drop, not recommended for suction side - Ball valves: Full bore design, minimal flow restriction - Gate valves: Full, unobstructed flow path when open
Step 4:: Evaluate Best Option
Gate valves are specifically designed for: - Fully open or fully closed operation - Minimal pressure drop when open - Tight sealing when closed - Straight-through flow path
Step 5:: Confirm Technical Recommendation
Gate valves are the standard recommendation for isolating pumps on the suction side in most industrial and mechanical systems.
Final Answer
Gate valve Rationale: Gate valves provide complete isolation with minimal flow resistance, making them the most appropriate choice for pump suction side applications.
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