Home > Product > Ball Valve > Ball Valve Comparison & Case Studies > Ball Valve vs. Butterfly Valve
Choosing the right valve is critical for system performance, safety, and maintenance. If you’re comparing ball valves vs. butterfly valves, you’re likely managing a pipeline, process plant, HVAC system, or utility network where flow control is essential.
At Perfect Engineers, we manufacture and supply both valve types—but each has its unique strengths. Here’s a practical, side-by-side comparison to help you decide which valve is best for your application, based on pressure, media, space, and budget.
| Feature | Ball Valve | Butterfly Valve |
|---|---|---|
| Design | Rotating ball with a bore | Central disc rotates to open/close |
| Operation | ¼-turn (90° rotation) | ¼-turn (90° rotation) |
| Flow Control | On/off (some throttling in V-port models) | Good for throttling and on/off |
| Bore | Full or reduced bore | Always semi-obstructed (disc in flow path) |
| Parameter | Ball Valve | Butterfly Valve |
|---|---|---|
| Size Range | ½” to 12” (larger available) | 2” to 48”+ |
| Pressure Rating | Up to 1500 psi and above | Typically up to 300 psi |
| Shut-off Capability | Excellent | Moderate to good (depends on seal design) |
| Automation | Easy (ISO 5211 mount) | Easy (ISO 5211 or wafer-mount actuators) |
| Cost (Small Sizes) | Moderate | Lower |
| Cost (Large Sizes) | Higher | Much lower |
| Cleanability (CIP) | Excellent (especially 3-piece valves) | Limited |
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Choose a Ball Valve if you need
Choose a Butterfly Valve if you need:
Yes! Many systems use ball valves for isolation and butterfly valves for flow control in different parts of the same pipeline or process. For example:
✅ Butterfly valves—they’re lighter, easier to install, and cheaper in large sizes.
Yes. Both valve types can be motorized or pneumatically actuated using ISO 5211 or custom mounting kits.
Ball valves, especially three-piece designs, are easier to disassemble and clean.
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