Plumbing Check Valve Factory

Your Premier Manufacturer of Plumbing Check Valve

D&R Metal Industry is a world-leading manufacturer of plumbing check valves with more than 15 years of experience. And also, we have a professional R&D team including expert engineers.

  • Team of dedicated engineers and staff
  • Standard and customized plumbing check valve
  • 24/7 online support for your business
  • 100% inspection during the manufacturing process

Why D&R Metal Industry is a Dependable Plumbing Check Valve Manufacturer

D&R Metal Industry is dedicated to serving customers with a high-class plumbing check valve solution for residential, commercial, and industrial needs. We are capable of manufacturing outstanding quality plumbing check valves with our advanced machinery and manufacturing equipment. D&R Metal Industry will provide speedy delivery, fast lead time, high-quality, and competitive price. Send us your inquiry!

D&R Metal IndustryYour Professional Plumbing Check Valve Manufacturer

1 Inch Brass Check Valve

Our 1-inch brass check valve is manufactured from heavy-duty cast brass materials. We guarantee that this product is corrosion-resistant, dezincification-resistant, and lead-free.

2 Inch Brass Check Valve

D&R 2 inch brass check valve is ideal to use in the piping system. We have a wide range of lead-free check valves to support your business.

3 Inch Brass Check Valve

Our 3 inch brass check valve is manufactured of non-toxic materials. We offer 3 inch brass check valves used by lead-free metal.

15mm Check Valve

D&R Metal Industry is the only 15mm check valve manufacturer and supplier that can ensure a clean, leak-free connection.

Air Compressor Non Return Valve

We choose the best quality air compressor non-return valve with a reasonable MOQ. You can avail of our air compressor non-return valve at wholesale prices.

Air Compressor One Way Valve

All of our air compressor one-way valves are easy to install. We can custom air compressor one-way valves according to your specifications.

Air Tank Check Valve

D&R air tank check valves are easy to install. They are accessible in many sizes that fit your specific applications.

Angle Check Valve

D&R angle check valve is designed to ensure that the suction pipe connected to the above-ground storage tank is maintained with suitably rated spring packing.

Ball Check Valve

This kind of ball check valve is ideal for applications that require corrosion-resistant.

Brass Check Valve

D&R brass check valve is an automatic valve that blocks the backflow of the medium by means of a round flap and relying on its own weight and the pressure of the medium.

Brass Double Check Valve

Brass double check valves from D&R are used in potable water systems to prevent contaminants from flowing back. Moreover, our brass double check valves can be ordered at a low MOQ.

Brass Inline Check Valve

D&R Metal Industry is one of the best factories which manufactures high-quality brass inline check valves in China.  You can trust us with full confidence.

Brass One Way Check Valve

Each brass one way check valve from D&R is carefully tested by our colleague. We could ensure these brass one way check valves are reliable and no-leak.

Brass Swing Check Valve

D&R brass swing check valve is not only easy to install but also convenient to replace. And we support customized brass swing check valves according to your image or description.

Bronze Check Valve

Bronze check valves from D&R Metal Industry, one of the leading valve & fitting manufacturers in China, have high quality with a low price.

Features of Plumbing Check Valve

Quality Brass
The raw material of our plumbing check valves can withstand cold and hot pressures very well. This is because we use carefully selected, high strength, and high-quality brass.
Hot Forge
Our plumbing check valves are generally produced with hot forged blanks for valve bodies below DN50, and with sand casting for hot forged blanks above DN50.
Company Credibility
Our head office was established in 2002 and D&R Metals became independent in 2008. During these ten years, our plumbing check valves have received over 90% positive reviews.
Main Market
D&R's plumbing check valves are sold to the USA, Mexico, Brazil, UK, Venezuela, Argentina, Spain, Russia, Kazakhstan, Poland, Dubai, Germany, Turkey and Iran.

D&R Plumbing Check Valve

All D&R plumbing check valves can be custom-made according to your specifications. D&R Metal Industry is 15 years of expertise in plumbing check valve production. For that reason, we became a more reliable manufacturer and supplier worldwide.

Giving a chance to support your business is a big fulfillment to us! D&R Metal Industry wants to work with you to manufacture stunning designs for your ideal plumbing check valve products.

Brass Valve & Fitting Manufacturer

How We Manufacture Your Plumbing Check Valve

cut material
We will choose the right brass material based on your order
test material
Material Testing
We will make strict testing on your Plumbing Check Valve 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 Plumbing Check Valve 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 Plumbing Check Valve 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 Plumbing Check Valve before packaging and shipping.

Rocket Your Business with D&R Plumbing Check Valve

brass valve and fittings design

D&R Metal Industry – Premier Plumbing Check Valve Manufacturer in China

In China, D&R Metal Industry has been recognized as one of the most trusted manufacturer of plumbing check valves. All our products have undergone a thorough testing and inspection before shipment to ensure high-quality zero defect.

Here in D&R Metal Industry, we are committed to manufacturing all types of plumbing check valves. Through advanced CNC machining, we can produce your plumbing check valves according to your specifications.

We have a dedicated research and development team to design, develop, and produce your orders with a quick lead time. Aside from that, we can also personalize your orders with your logo, design, sizes, and configurations.

one way plumbing check

D&R Metal Industry specifically designed plumbing check valves to be installed in a pipeline. Thus, avoiding backflow. These are widely applicable for water pumps, HVAC systems, and more. Our plumbing check valves are ideally perfect for industrial, commercial, and residential use.

At D&R Metal Industry, we manufacture plumbing check valves that can provide maximum protection to your water system. All types of plumbing check valves such as swing check valves and ball check valves are all available at D&R with competitive pricing.

Whether you need high-quality plumbing check valves for your business or project, choose D&R Metal Industry as your manufacturer. Our wide range of plumbing check valves will surely meet your requirements.

plumbing valve

To ensure durability, we make sure to follow international guidelines and standards for quality. All our plumbing check valves are guaranteed to have high-quality without compromising quality. With its efficiency and high performance, you can surely rely on the quality of our plumbing check valves.

Besides plumbing check valves, we also manufacture plumbing gate valve, thermostatic mixing valve, stop valve, shut-off valve, lever valve, etc. D&R Metal Industry is your one-stop solution for your valves and fittings needs!

Inquire now for your next plumbing check valve orders!

Plumbing Check Valve: The Ultimate FAQ Guide

If you need more information about plumbing check valves, then this article can help you. 

You can learn the most important plumbing check valve details if you keep reading this article. 

This article will tell you more regarding the functions, works, applications, and the right usage of a plumbing check valve.

To avoid more plumbing check valve problems, please read the guide below!

Plumbing Check Valve

Plumbing Check Valve

What is a Plumbing Check Valve?

The plumbing check valve is simple yet the most important thing in any plumbing industry.

A plumbing check valve gives the best prevention against backflow. This valve can avoid wrong flowing of the water.

It helps to have the best water flowing operations and illuminates some piping damages.

Why Plumbing Check Valve Fails?

There are different causes why plumbing check valves are fails, including:

i. Wrong installation or assembly of the check valve

ii. Failure to perform proper maintenance on the valve device

iii. Operation in extreme high-temperature mode

What Are Symptoms of Failing Plumbing Check Valve?

The malfunction or failing of the plumbing check valve can be identified by several symptoms such as:

  • The loss of some parts when conflicts start to arise
  • Staring of vibration
  • When waters flow in the wrong direction
  • Excessive wear of the substance
  • Breaking down

How to Prevent Plumbing Check Valve Failure and Problems

i. Keep Plumbing Check Valves Clean

Keeping the plumbing check valves clean is the most effective way to prevent valve failure. 

This way can eliminate the contaminants and any toxins.

ii. Lubricate Plumbing Check Valves

Lubricating valves is an important way to ensure successful operation. 

In addition, maintain lubrication to extend the plumbing check valve’s life and the system they operate.

iii. Install Plumbing Check Valves Correctly

Proper valve installation is a great way to avoid any plumbing check valve problems. 

Also, the plumbing check valve can work better and straight.

iv. Replace The Valve When Required

 If notified that the valve is damaged, immediately replace it with a new valve.

By doing this, you can prevent damage to the device and the system they operate on.

Plumbing Check Valve Installation

Plumbing Check Valve Installation

How to Install The Plumbing Check Valve?

The plumbing check valve can be installed in any way or position. 

These includes:

  • Oblique that acute angles measure more than 0º and less than 90º capture angles over 90º and less than 180º.
  • Horizontal is a type of position from feed straight to the left.
  • Vertical is a type of line that goes from top to bottom.

What Are Types of Plumbing Check Valves?

  • Swing Check Valves

The swing check valves are remarkable because of their great flowing capacity.

  • Lift Check Valves

A lift check valves are effective in preventing or minimizing leak problems.

  • Butterfly Check Valves

The butterfly check valves are also known as folding disc check valves. It is ideal for a low-tension water system or in any liquid piping system.

  • Stop Check Valves

A stop plumbing check valve can automatically close to eliminates backflow situations.

What Are Typical Applications of Plumbing Check Valves?

A plumbing check valve is designed to meet various plumbing industries’ standards.

Plumbing check valves are suitable in the following:

  • Fire sprinklers
  • Fire Hydrant
  • Waterline
  • Water pump
  • Pressure pump

What Are Materials Used for Making Plumbing Check Valves?

  • Brass

A plumbing check valve can be made from brass materials. 

This material features corrosion-resistant, long-lasting, and high durability.

  • Plastic

The plumbing check valves fabricated from plastic materials are extremely lightweight, easy to use, and environmentally friendly.

  • Stainless Steel

Stainless steel materials are very strong and easy to clean. 

This material is perfect for creating a plumbing check valve due to its ideal characteristics.

How Much Does Plumbing Check Valves Cost?

A plumbing check valve’s cost depends on the materials, types, and other specifications.

However, most of the plumbing check valves are expensive.

Parts of Plumbing Check Valve

Parts of Plumbing Check Valve

What Are Different Parts of Plumbing Check Valve?

The plumbing check valve contains different parts, including:

i. Body

ii. Exhaust port

iii. Intake port

iv. Valve disc

v. Spring

How Long Does Plumbing Check Valve Last?

A plumbing check valve provides a long service life because of its durability.

If the plumbing check valve is installed correctly, it can serve 5-10 years.

What Are Advantages and Features o Plumbing Check Valve?

In different plumbing industries, the plumbing check valve brings a lot of advantages. 

These are the following benefits and features of plumbing check valves:

  • Ease of Installation – Plumbing check valves are easy to install in any position. No power tools are required during the installations.
  • Lead-Free Surface – It is manufactured from high-class and lead-free materials.
  • High-Temperature Ductility -A plumbing check valve can handle a wide range of high water pressure or temperature.
  • Simple Disassembly- They are easy to uninstall or disassemble when required. It takes only a few seconds
  • Great Backflow Prevention – Very helpful in preventing and minimize backflow situations.

What Are The Differences of Check Valve and Backflow Preventer?

The backflow preventer is usually used in high hazard status.

The plumbing check valve can be install without having backflow situations.

Where is Backflow Preventer Required?

  • Manufacturing system
  • Irrigation system
  • Fire department
  • Dark Room Sinks
  • Mechanical pipe systems

How Does Plumbing Check Valve Looks Like?

The plumbing check valve has an excellent and classic look.

They are fabricated with a professional design making them a versatile device.

Are Plumbing Check Valves Reliable?

The plumbing check valves extremely provide a reliable and trouble-free operation.

Plumbing check valves are widely used in any field because of their high reliability.

Aside from its excellent outlooks, plumbing check valves are useful in preventing various plumbing problems.

How to Choose a Suitable Plumbing Check Valves?

In choosing an exact plumbing check valve, it’s better to consider the following:

  • If what is your applications
  • Fluid compatibility
  • Total of cost
  • Size
  • Materials
  • Flow characteristics


Plumbing check valves are an ideal option for a wide range of plumbing applications.

Due to its high stability, reliability, and durability, it was making them an excellent check valve solution.

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