Full-Port vs. Standard Port Ball Valves: Which One Should You Choose?

Should you go with full bore ball valve or the standard port for your setup? There are key differences you should know to make the right choice. Here, we shall look at what ball valves are, the difference between full-port and standard port, and an easy-to-use checklist to guide you before making a decision. 

What is a Full-Port Ball Valve? 

A full-port ball valve (or full-bore ball valve) has a port or hole that’s roughly the same size as the pipe itself, allowing the fluid to pass with little to no restrictions. 

There’s no pinch; pressure drop is minimal, and larger objects like cleaning tools (such as cleaning pigs) can safely pass through. 

What is a Standard-Port Ball Valve?

A standard-port ball valve (or reduced-bore) has a port or hole that’s smaller than the pipe itself. This means the fluid narrows inside the valve before widening again afterward. 

Because there’s a smaller opening, a brief pinch in the flow occurs, making it less efficient. When this happens, there’s extra resistance at the valve and a noticeable pressure drop as the fluid passes through. 

Full Port vs Standard Port Ball Valves Usage and Features

Refer to this table as a reference for the different uses and features.

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Quick Step-by-Step Guide to Choosing the Right Valve

Here’s a checklist you can use before deciding which to pick. Ask these questions to determine what you need.

Is flow performance critical?

1. Yes – Full-port
2. No – Standard-port

What type of fluid flows in it?

1. Often dirty, gritty, or thick – Full-port
2. Clean and light only – Either works

How often does it run?

1. Long hours or continuous running – Full-port
2. Occasional or shorter hours – Standard-port

Are there any constraints?

1. Room to spare and higher budget – Full-port
2. Limited space, lower cost, or smaller actuator – Standard-port

FAQs

1. Do full-port ball valves last longer than standard port?

Often, yes. Their wider passage means there’s reduced internal buildup of impurities and wear, especially when dealing with dirty or abrasive liquids.  

2. Can I replace a standard-port with a full-port in the same system?

Usually, you can. However, it’s better to check the space and actuator requirements before you do, since full-port valves are often larger. 

3. Are there downsides to always choosing full-port ball valves?

Downsides include having a higher price, larger size, or heavier actuators at times.

Ball Valves for Your Exact Needs

Choosing between a full-bore ball valve and a standard port can depend on flow, the type of liquid flowing in, and even budget. The former is suitable for performance and tougher liquids, while the latter is good for budget-friendly and compact shut-off jobs. 
Youfumi creates top-of-the-line products, including lined valves, pipelines, and containers. Consider getting yours from our company, and contact our office today for more information.