Reliable Brass Union Fitting Manufacturer

D&R is a leading brass union fitting manufacturer in China. We offer a wide range of high-quality brass union fitting at a competitive price.

  • Fully customizable compression union fittings
  • High-quality and robust performance
  • Approved by strict international quality standards and guidelines
  • More than 15 years of brass union fitting manufacturing experience

Why D&R Industry is a Leading Brass Union Fitting Manufacturer in China

D&R Metal Industry is a professional manufacturer specializes in research and development, design, and production of high-quality union brass fittings. For over 15 years of operating in the industry, we have developed innovative and wide range of brass union fittings. We offer affordable brass union fittings with diverse angles, sizes, and dimensions. We manufacture products based on our customers’ specifications and ideas.

D&R Metal IndustryYour Professional Brass Union Fitting Manufacturer

Hex Union Brass fittings

Hex union brass fittings are commonly used for connecting hose to a different connection with different diameter. It features anti-corrosion, low magnetic permeability, ductility, and more.

Brass Bulkhead Union Fittings

D&R manufactures high-quality brass bulkhead union fittings with advanced features. These are widely used in a broad range of applications.

Female Brass Union Fitting

D&R female brass union fittings are manufactured using high-quality 100% brass. These are produced with high strength, high-quality, anti-corrosion, high temperature resistance, and high hardness.

Brass Solder Compression Fitting

Brass solder compression fittings are available at D&R. We can custom-made brass solder compression fittings according to your specifications and requirements.

3/4-inch Compression Union Fittings

Our 3/4-inch Compression Union Fittings are made from superior grade brass materials. We offer customizable 3/4-inch Compression Union Fittings to meet your requirements.

NPT Thread Brass Union Fitting

NPT Thread brass union fittings has a 150psi maximum operating pressure. These are available at D&R with customizable sizes according to your specifications.

Features of Brass Union Fittings

CNC Threaded
D&R Metal Industry will precisely machine the threads on the brass union fittings according to the thread standards of the customer's target region and country.
Global Market
Helping clients to develop new products and markets. Can recommend hot products for that market and keep clients up to date with the latest market trends.
Quality Brass
The raw materials for the brass union fittings have been carefully selected for their high strength and plasticity, and can withstand hot and cold pressures very well.
1 Year Warranty
You can get one year warranty for all your brass union fitting orders from D&R. If you have any problems after one year, we can also provide you with free online support.

D&R Brass Union Fittings

D&R is an industry leader of brass union fittings production. We have been trusted by thousands of customers from around the world. Through our high-quality products and advanced services, we are known as a reliable compression union fittings manufacturer. We offer one-stop-solution for your applications.

D&R also offers high-quality brass union fittings at a reasonable cost. We manufacture products using high-quality and 100% brass materials. To suit your requirements, we manufacture compression union fittings with customizable sizes and configurations. We manufacture products while adhering to strict guidelines and standards for quality.

Brass Valve & Fitting Manufacturer

Lead Law Compliant

We use high-quality all brass forging technology and the specifications are compatible with the majority of fittings on the market. Recommended for use with water valves. Our brass union fittings comply with the lead law, so you can use them at ease. If you have any questions, please feel free to contact us.

Lead Free Brass Union Fittings
Lead Free Compression Brass Fittings

Custom any Brass Products for You

Everything at D&R Metal Industry is customer focused and we do what we can to be able to best meet the needs of our valued customers. All brass products are available in a variety of sizes, designs and applications to meet the needs of the customer. That means our D&R also accepts OEM and ODM.

All Positive Feedback from Customers

The feedback from our customers on our products is very good because of their high quality safety and competitive prices. The quotation we offer must be the best price at the current copper price. By offering a wide range of products such as garden hose elbows, brass street elbows, brass ball valves, stainless steel ball valves and many more, we offer our customers a wide choice.

Strength of D&R's Factory
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Feel Free to Contact Us

If you would like to know about brass fittings: the parts are CNC precision-machined; the raw material used is high-quality lead free brass; the surface can be natural brass coloured, galvanised, nickel-plated or as per customer’s requirements. Standard export packaging or as per customer’s request. We have brass fittings in various sizes and welcome your enquiries.

How We Manufacture Your Brass Union Fittings

cut material
We will choose the right brass material based on your order
test material
Material Testing
We will make strict testing on your Brass Union Fittings material, after the material is ok, then we will arrange the material cutting
brass forging
Forging process can ensure the right shape based on your order requirement
sand blasting
Sand Blasting
Sand Blasting will make your Brass Union Fittings surface clean and smoothly.
CNC Machining
CNC machining is the most important process to ensure all detais are based on your order requirement.
brass plating
Brass Plating
we can make different plating according to your requirement, including the thickness,t he color, the plating material, the test standard
Brass Valves Assembly
We will assemble your Brass Union Fittings from different parts, you will see the final valves after this process.
water pressure testing
Water Pressure Testing
We make 100% air pressure testing on each of your Brass Union Fittings before packaging and shipping.

Rocket Your Business with D&R Brass Union Fittings

brass valve and fittings design

D&R Metal Industry – Your No.1 Brass Union Fittings Manufacturer in China

D&R is one of the leading manufacturers of brass union fittings in China. We have more than 15 years of experience as a brass union fittings producer. Throughout the years, we never stop providing customers with the best quality products at a lower price.

At D&R, we have the widest selection for compression union fittings. Our wide range of brass union fittings include brass pipe union connector, male brass union fittings, brass compression tube fittings, brass bulkhead union fittings, and more.

Our compression union fittings are meticulously designed with tight and high-quality threads. It allows for a secure fitting without slipping. Its deep thread is also designed specifically for enhancing fixation and meshing.

Brass Union Fittings

D&R brass union fittings also have smooth threads. Thus, you can easily and quickly install it. These are also manufactured using the best quality brass materials. With these lead-free materials, you can assure that your compression union fittings have high strength, corrosion resistance, good quality, high-temperature resistance, and high hardness.

Brass union fittings are used to connect two pipes together. It allows easy connection and disconnection of pipes for maintenance, repair, service, and other purposes.

D&R compression union fittings are manufactured according to ANSI, ASTM B62, NSF 61, and more international quality standards. We also have strict quality control team to monitor our products in every production stage. Therefore, you can assure that you can receive a stable quality brass union fitting.

Brass Union Fittings

Aside from that, D&R has a professional R&D team to coordinate with you. We can customize your orders of compression union fittings according to requirements. Our products are offered at a favorable price while maintaining its quality. We also offer fast lead time so we can suffice your orders even in peak time. Thus, we can provide the best solution for your applications or business.

Send an inquiry for your next brass union fitting orders!

Brass Union Fitting

What is Brass Union Fitting?

The brass union fitting is a connector that enables two threaded pipes attached together.

This device is used for easy disconnection during repair and maintenance services.

Additionally, the brass union fitting is ideal for either cold or hot water piping services.

What is the Purpose of Brass Union Fittings?

The basic purposes of brass union fitting are listed below:

  • The brass union fitting is used to simply attach two tubes or pipes.
  • This device is great for disconnecting pipes at any piping system point.
  • The brass union fitting is used for sealing or closing the pipe.
  • It is used when a pipe needs to be connected with another apparatus.

What are the Types of Brass Union Fittings?

The brass union fitting comes in a wide range of types or styles.

These include:

  1. Brass Double Union Fittings – The brass double union fitting is best for air and oil applications. It comes in different sizes. This device offers a simple installation and operation.
  2. Brass Copper Union Fittings – A brass copper union fittings have excellent resistance to corrosion and vibration. They can operate up to 1000 and more psi working pressure.
  3. Brass Gas Union Fittings – The brass gas union fitting is best for various gas systems. It features a copper tube and brass body.
  4. Brass Union Fittings with Nut – The brass union fittings with nuts have a steady function and lead-free surface.
  5. Straight Brass Union Fittings – A straight brass union fittings are made from professional brass materials. This device is perfect for any plumbing system.

What are the Benefits of a Brass Union Fitting?

  • Malleability – The brass union fitting gives excellent malleability when it comes to shaping or bending. The brass union fitting is easy to alter and molds better than other fittings.
  • Corrosion Free Compared to other materials,  the brass union fitting is reliable in resisting corrosion.  It can resist corrosion even on bad corrosive water systems.
  • Great High-Temperature Efficiency – Another brass union fitting benefit is its ability to work on higher temperatures. They can withstand and sustain under high temperatures. It is a very safe product to use especially on hot water systems.
  • Broad Versability – The brass union fitting is versable and designed for many applications. You can obtain this fitting in different widths, ranges of shapes, and sizes available.
  • Durability – The brass union fitting is very durable and offers high performance. The brass union fitting doesn’t deform even for long years of service.

What are the Typical Applications of Brass Union Fitting?

The brass union fitting is utilized in both industrial and commercial applications, such as:

  1. A brass union fitting is best for water, wastewater, and other plumbing systems
  2. They are suitable for the piping process.
  3. The brass union fitting is designed to handle high-temperature fluid flows.
  4. This device is ideal for flammable gasses and chemicals.
  5. A brass union fitting can regulate coldwater piping, oil and air system application.

Brass Union Fitting Series

How to Fix a Leaking Brass Union Fitting?

In some cases, the brass union fitting leaks due to slight pipes offset.

If this situation happens, you need to fix your fittings right away.

Here are the following steps on how to repair the brass union fittings:

Step 1: Shut down the flows when there’s no existing shut-off valve. 

Step 2: Loosen or unscrew the nut by using tools and turning it in a counterclockwise direction. You can use adjustable pliers while holding the fitting steadily.

Step 3: Using a torch, heat union to get the remaining solder.

Step 4: Hold both sides of the union. Do not attach it yet.

Step 5: Inspect the alignment.

Step 6: Use adjustable pliers to hold the brass union fitting.

Step 7: In resetting, apply heat to the join.

Step 8: The union part must be slipped off when the solder was dissolved.

Is a Brass Union Fitting Expensive?

Like other products made from brass, the brass union fitting is also pricey.

The price of brass union fitting ranges starting from $14.15 to $ 95.73.

It can vary depending on the kind or size you desire to choose

Moreover, the brass union fitting cost will depend on its brand, style, and quantity.

Brass Union Tee Fitting

Can a Brass Union Fitting Last for Years?

Definitely yes! The brass union fitting is created from strong, durable, and sturdy materials allowing them to serve for many years.

The brass union fitting can still be functional even if used for 10 consecutive years or more.

In addition, the brass union fitting is really created to last for years or decades.

Are Brass Union Fittings Reliable?


The brass union fitting is designed to provide a stable and reliable performance.

A brass union fitting reduces the risk of unstable or any complication during the operation.

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