Brass fittings are widely used in plumbing and gas fitting applications due to their durability, corrosion resistance, and aesthetic appeal. However, with so many types and sizes of it available, choosing the right fitting for your project can be challenging.Fernco plumbing, to help you get started, we’ve put together a complete guide to choosing it.
Understand the Types of Brass Fittings
Brass fittings are available in various types, including:
- Nipples: These are short pieces of pipe threaded on both ends, used to connect pipes or fittings.
- Couplings: These are used to connect two lengths of pipe together.
- Elbows: These are available in 90-degree and 45-degree angles and are used to change the direction of the pipe.
- Adapters: These are used to connect two different types of pipes or fittings.
- Tees: These fittings are in the shape of a “T” and are used to connect three lengths of pipe together.

Consider the Size of the Fitting
Brass fittings come in different sizes, and it’s crucial to choose the right size for your project. The size of the fitting is typically measured using the inside diameter of the pipe being connected. For instance, if you’re connecting a 1/2-inch pipe, then you’ll need a 1/2-inch fitting.
Consider the Size of the Fitting
Brass fittings come in different sizes, and it’s crucial to choose the right size for your project. The size of the fitting is typically measured using the inside diameter of the pipe being connected. For instance, if you’re connecting a 1/2-inch pipe, then you’ll need a 1/2-inch fitting.
Check the Thread Type
Brass fittings come in two threading standards: National Pipe Thread (NPT) and British Standard Pipe (BSP). It’s important to choose the right threading standard to ensure a secure and leak-free connection. NPT is the standard threading type in the United States, while BSP is more common in Europe and Asia.
Look for Quality Brass Fittings
Brass fittings come in different qualities, and it’s essential to choose high-quality fittings to ensure durability and reliability. High-quality brass fittings are made from a combination of copper and zinc, with a 60/40 ratio being the most common.

Choose the Right Finish
Brass fittings are available in different finishes, including polished brass, chrome-plated brass, and nickel-plated brass. The right finish will depend on the aesthetic appeal you’re trying to achieve. However, it’s worth noting that some finishes may be more durable and resistant to corrosion than others.
Be Mindful of the Application
Finally, they are not suitable for use in all applications. For instance, they may not be ideal for use with harsh chemicals or high-pressure systems. Before choosing a brass fitting, it’s crucial to consider the application and ensure it’s the right fit for the job.
Conclusion
Brass fittings are essential components in plumbing and gas fitting applications. Choosing the right brass fitting can be challenging, but by understanding the types of fittings, considering the size, thread type, quality, finish, and application, you can make an informed decision that will ensure reliability and durability.

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