Globe Valve vs Ball Valve
Side by side comparison: how they work, where each fits, and which to choose.
Quick answer: Globe valves give precise throttling and the best cavitation and noise options; segmented ball valves give high capacity, wide rangeability and handle slurries and fibres.
Globe Valve vs Ball Valve: Comparison Table
| Aspect | Globe Valve | Ball Valve |
|---|---|---|
| Motion | Linear | Quarter turn |
| Capacity for size | Lower | Higher |
| FL (pressure recovery) | about 0.85 to 0.9 (low recovery) | about 0.55 to 0.6 (high recovery) |
| Rangeability | about 30:1 to 50:1 | often 100:1 or more (V ball) |
| Severe service trims | Many options | Limited |
| Slurries and fibres | Can plug | Good |
Choose Globe Valve when
- High pressure drop, cavitation or noise
- Precise control in clean service
Choose Ball Valve when
- Pulp, slurries, viscous fluids
- High capacity and wide range at low drop
Key Differences Explained
Ball and butterfly valves recover more pressure, so they cavitate and choke at lower pressure drops than globe valves. Size with the correct FL and xT.
Globe valves are heavier and more costly in large sizes.
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Frequently Asked Questions
What is the difference between Globe Valve and Ball Valve?
Globe valves give precise throttling and the best cavitation and noise options; segmented ball valves give high capacity, wide rangeability and handle slurries and fibres.
Why do ball valves cavitate earlier?
Their low FL means pressure at the vena contracta drops further below the outlet pressure.
Is a full ball valve good for control?
Not usually; V notch segmented balls are designed for control.
Which is cheaper?
In large sizes, rotary valves usually are.
Learn more on the blog
Control valve selection: 16 vital factors
A practical guide on instrumentationblog.in that goes deeper into this topic with field examples.
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