Brass Fittings

At Union Hydraulics, we know that the smallest components in your system often play the biggest role in keeping everything running smoothly. Brass fittings are a perfect example. Whether you’re assembling a new hydraulic setup, repairing a line, or upgrading existing connections, choosing the right fitting makes all the difference in performance, safety, and longevity.

What Are Brass Fittings?

Brass fittings are precision-machined connectors used to join pipes, hoses, and tubing in hydraulic and pneumatic systems. Made from a copper-zinc alloy, brass offers a unique balance of strength, corrosion resistance, and workability.

In real-world terms, that means you get fittings that are tough enough to handle pressure, resistant to rust and chemical exposure, and easy to install without cracking or seizing.

Why Brass Is a Smart Choice

When customers come to us at Union Hydraulics, they’re usually looking for something dependable and cost-effective—and brass delivers on both.

Here’s why brass fittings are so widely used:

Corrosion Resistance: Ideal for environments where moisture or chemicals are present
Durability: Holds up well under pressure without becoming brittle
Excellent Sealability: Provides tight, leak-free connections when installed properly
Temperature Tolerance: Performs reliably in both hot and cold conditions
Versatility: Compatible with water, air, fuel, oil, and many hydraulic fluids

If you’re working in maintenance, manufacturing, agriculture, or construction, brass fittings are often one of the most practical and proven solutions available.

Common Types of Brass Fittings

Depending on your application, you’ll find a variety of brass fitting styles designed for specific needs. Some of the most common include:

Adapters: Connect different thread types or sizes
Elbows: Change the direction of flow (typically 45° or 90°)
Tees: Split the flow into multiple directions
Couplings: Join two lines together securely
Bushings & Reducers: Transition between different pipe sizes
Plugs & Caps: Seal off unused ports

Each type serves a specific purpose, and selecting the right one ensures proper flow, pressure control, and system efficiency.

Choosing the Right Brass Fitting

This is where a lot of people run into issues—not because brass fittings are complicated, but because small details matter.

When selecting a fitting, you’ll want to consider:

Thread Type: NPT, BSP, or other standards must match your system
Size: Both inner and outer diameters need to align correctly
Pressure Rating: Ensure the fitting can handle your system’s demands
Application: Hydraulic vs. pneumatic vs. general fluid transfer
Environment: Exposure to vibration, temperature swings, or chemicals

If even one of these factors is off, you can end up with leaks, inefficiencies, or premature failure.

Built for Real-World Performance

At Union Hydraulics, we focus on supplying brass fittings that are built for real working environments—not just ideal conditions. Whether you’re in the field, on a job site, or maintaining equipment in a shop, you need components you can trust to perform without constant adjustments or replacements.

Our selection is designed to give you:

Consistent quality across every fitting
Reliable threading for secure installation
Long-lasting performance under pressure

Need Help Finding the Right Fit?

If you’re not 100% sure which brass fitting you need, you’re not alone—and that’s exactly why we’re here.

Give us a call, and we’ll walk through your setup with you. Whether you’re matching an existing fitting, building a new system, or troubleshooting a leak, we’ll help you get the right part the first time.

Why This Matters (For Performance & Longevity)

Choosing the right brass fitting isn’t just about making a connection—it’s about protecting your entire system. The right fit reduces downtime, prevents leaks, and keeps your operation running efficiently.

That’s the kind of reliability we stand behind at Union Hydraulics.