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Plumbing Flare Brass Fittings: Buyer's Guide

Plumbing flare brass fittings are essential components used in residential and commercial plumbing systems. These fittings are known for their reliable performance and secure connections, making them a popular choice among plumbers and DIY enthusiasts alike.

Flare brass fittings are designed to connect pipes and tubing securely using a flared connection. The flared end of the fitting provides a tight seal when connected to a compatible flared pipe or tubing end. This connection method ensures a leak-free joint, making flare brass fittings ideal for applications where a reliable seal is crucial, such as gas lines and hydraulic systems.

Benefits of Using Flare Brass Fittings

Plumbing flare brass fittings offer several advantages, making them a popular choice in the industry. Some key benefits include:

  1. Leak-resistant: The flared connection creates a strong and reliable seal, minimizing the risk of leaks or drips.
  2. Easy installation: Flare brass fittings are relatively easy to install, requiring minimal tools and expertise.
  3. Durability: Brass is a durable material that can withstand high-pressure applications and is resistant to corrosion.
  4. Versatility: These fittings are compatible with various pipe and tubing materials, making them suitable for a wide range of plumbing projects.
  5. Reusability: Flare fittings can be easily disconnected and reused, providing flexibility in plumbing system modifications or repairs.


Some of the brass flare fittings can be used for natural gas, such as propane since brass is strong and resistant to corrosion. However, it is important to verify that the brass flare fittings are compatible with the type of natural gas you are using. Make sure to consult with a professional before working with propane or any other highly flammable or hazardous material.


There are many types of brass flare fittings. Some of the most common are:

  • Reducing Flare Nut: This fitting is designed to connect pipes or tubing of different sizes. It features a flared end and a nut with different diameter openings, allowing for a secure connection between two mismatched pipe or tubing sizes.

  • Reducing Swivel: The reducing swivel flare fitting is similar to the reducing flare nut but offers the added feature of swiveling action. This allows for easier installation in tight spaces and flexibility in adjusting the alignment of pipes or tubing with different diameters.

  • Gas Range Male Adapter: This fitting is specifically designed for gas range installations. It features a male flare end that connects to the gas supply line and a threaded end that attaches to the gas range appliance. The male adapters ensure a secure and leak-free connection, providing a reliable gas flow to your gas range.

  • Forged Male Run Tee: The forged male run tee is a three-way fitting that allows you to create a branch connection in your plumbing system. It features three flare ends, with two of them having the same diameter and the third one being a smaller diameter. These tee pipe fittings enable you to connect two pipes or tubing while branching off a smaller line.

  • Short Forged Nut: The short forged nut is a compact and low-profile flare fitting. It is commonly used in applications where space is limited or where a shorter connection is required. Despite its shorter length, this fitting maintains the same secure and leak-resistant properties as standard flare nuts.

There are many more flare-fitting types available at the Blackhawk Supply store, so make sure to browse our catalog if you're looking for a particular item!

Factors to Consider Before Buying Flare Brass Fittings

Before purchasing plumbing flare brass fittings, it's important to consider the following factors:

  • Size and Compatibility: Ensure that the fitting size matches the pipe or tubing size, and check for compatibility with other components in your plumbing system.

  • Material Quality: Opt for high-quality brass fittings to ensure durability and longevity. Look for fittings made from lead-free brass to comply with health and safety regulations.

  • Pressure and Temperature Ratings: Consider the pressure and temperature requirements of your plumbing system and select fittings that can handle the intended operating conditions.

  • Leak-Proof Design: Check for features such as double-flared ends or O-ring seals to enhance the leak resistance of the fitting.

  • Ease of Installation: Choose fittings that are easy to install, allowing for quick and hassle-free plumbing projects.


Whether you're a professional plumber or a do-it-yourself enthusiast, Blackhawk Supply is your one-stop shop to stock up on all your plumbing needs. We carry a wide variety of plumbing supplies and fixtures from top brands like Anderson Metal and Honeywell on every page. Plus, we offer free shipping on orders when you purchase over $999! Browse our catalog and feel free to contact us at any time if you haven't found what you were looking for!

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