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At Perfect Engineers, we don’t just manufacture valves—we help engineers, procurement teams, and OEMs select the right valve for their exact application. One of the most critical yet overlooked aspects of ball valve selection is its bore type.
Whether you’re working with viscous fluids, high-flow systems, or restricted pipelines, understanding the difference between Full Bore, Reduced Bore, and V-Port Ball Valves helps you minimize losses, optimize pressure, and improve system efficiency.
The bore is the internal hole through the ball that allows fluid to pass. Its diameter compared to the pipe size defines the bore type. A mismatch leads to pressure drops, flow restrictions, or increased energy use.
Definition:
A full bore ball valve has an internal bore that matches the inner diameter of the pipe—no flow restriction.
Key Features:
Ideal Applications:
Definition:
The internal bore is one or two sizes smaller than the pipeline diameter, causing a slight pressure drop.
Key Features:
Ideal Applications:
Definition:
The bore has a V-shaped opening that enables precise flow control (throttling) rather than just open/close shut-off.
Key Features:
Ideal Applications:
| Bore Type | Pressure Drop | Best For | Cost |
|---|---|---|---|
| Full Bore | ✅ Minimal | Clean, viscous, slurry, pigging | 💰💰💰 |
| Reduced Bore | ⚠ Moderate | General utility, HVAC, chemicals | 💰💰 |
| V-Port Bore | ❌ Adjustable | Flow control, automation, batching | 💰💰💰 |
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At Perfect Engineers, we offer all bore types in:
Bore customization is available for OEMs, process plants, and EPC contractors.
Not ideal. Slurry needs full bore to avoid clogging.
Yes. V-port ball valves offer faster response, better sealing, and can be automated easily.
No. Bore type is designed during manufacturing—it’s not adjustable.
You’ll face pressure loss, system inefficiency, and potential fluid hammer issues.
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