Single Check Valve Factory in China

Your Premier Single Check Valve Manufacturer

D&R Metal Industry has been producing and supplying metal products for over 15 years. From design to production, we can provide wholehearted support for your product development.

  • One-stop solution for single check valve
  • Provide high-quality OEM products
  • 24/7 online customer service
  • Free sample to check the quality

Why is D&R the Leading Manufacturer of Single Check Valves?

For two decades, the D&R industry has strived to produce the highest quality valves as one of the leading manufacturers of single check valves. We can provide a complete solution for the creation and final application of your specific product. Over the years, we have been serving a single check valve in Europe, South America, Southeast Asia, Australia and gaining more clients since then.

D&R Metal IndustryYour Professional Single Check Valves Manufacturer

15mm Single Check Valve

D&R 15mm single check valve use in a variety of applications. You can create your design for a single check valve.

Non Return Single Check Valve

Non Return Single Check Valve is a higher-quality, longer-lasting option. Customized solutions are available from D&R Metal Industry.

28mm Single Check Valve

With 28mm sizes, D&R offers a low-cost, high-quality single check valve. With 28mm sizes, D&R provides a low-cost, high-quality single check valve.

Brass Single Check Valve

Our brass single check valve is an excellent choice for general plumbing, home applications, and heating technologies. It is available at a low cost.

Industrial Single Check Valve

We built an Industrial Single Check Valve that is strict international quality standards. At D&R, you can count on a consistent, high-quality Industrial Single Check Valve.

Compression Single Check Valve

D&R Compression Single Check Valve blocks water backflow. It features compression joints that are fit for copper or plastic pipe.

Features of Single Check Valve

Automatically Work
In a single check valve the valve flap opens under fluid pressure and the water flows from the inlet side to the outlet side of the pipe, where it closes by gravity to prevent backflow.
Standard Thread
There is a wide range of thread sizes and different thread standards in different countries. D&R can process threads to GB, ANSI, BS, DIN, ISO and other standards on single check valves according to customer requirements.
Different Weight
The single check valve has a simple appearance. In addition to the appearance, there are also light and heavy-duty versions to meet the various needs of customers.
Company Credibility
More than a decade of experience in the production of single check valves is enough for customers to trust D&R. Our head office was established in 2002 and D&R Metals became independent in 2008.

D&R Single Check Valve

D&R Metal Industry is committed to providing customers with the services that they require from a reliable manufacturer. We’re also committed to providing the highest-quality single check valves to meet our consumers’ application and market needs.

At D&R Metal Industry, we endeavor to promote your brand by delivering quality OEM and ODM services. Our R&D group specializes in customizing single check valves to match our customers’ specific requirements. D&R Metal Industry is confident in its ability to provide the best solutions for your business.

Brass Valve & Fitting Manufacturer

How We Manufacture Your Single 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 Single 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 Single Check Valve surface clean and smoothly.
CNC machining
CNC Machining
CNC machining is the most important process to ensure all details are based on your order requirement.
brass plating
Brass Plating
We can make different plating according to your requirement, including the thickness, the color, the plating material, the test standard
Single Check Valves Assembly
We will assemble your Single Check Valves 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 Single Check Valves before packaging and shipping.

Rocket Your Business with D&R Single Check Valves

brass valve and fittings design

D&R Metal Industry – Your Worthy Single Check Valve Manufacturer in China

For your business, D & R Metal is the best single check valve, manufacturer. By providing outstanding services, high-quality items, and comprehensive experience, we have become China’s most reputable maker of single check valves.

For nearly two decades, we’ve specialized in the manufacture and design of single check valves. In the international sector, we have a long history of delivering low-cost, high-quality single check valves.

Single Check Valve

The use of the D&R single check valve is to protect the fluid backflow category two where there may be an aesthetic change such as temperature, taste, or odor. The purpose of a single check valve on a clothes/dishwasher hose is to address taste issues generated by the hose. A hose can also be equipped with a single check valve to compliment a single check installed on the tap supply. The material used by D&R compose of high-quality brass chrome-plated/ springs contain stainless steel.

We make it a point to anticipate the demands of our clients. On our website, you can find a list of our high-quality, fully functional single check valves. Please also let us know what size and application you desire, as we are always ready to create single check valves to your specifications.

D&R Metal Industry has all the high technology equipment to meet all your orders, especially in a single check valve. We can assure the delivery on time even in peak in season. We ensure the quality of single check valve and quantity that never be a problem. You can even customize the single check valve, the type, size, color, or any of your specifications. We can assist you throughout the production.

Single Check Valve

To ensure quality, we have a lab where we can test your single check valves. In addition, you’ll receive a material testing report, a product inspection report, and a video of the testing. The packaging and shipment are safely secure.

Be our partners now! You will not regret it.

Please send an email/ call us, and we are so happy to answer all your queries.

Single Check Valve

What is a Single Check Valve?

A single check valve is generally used for category 2 applications.

Thus, the single check valve is applied to avoid backflow and reverse flow.

This device can meet various plumbing and other industrial requirements.

What is Single Check Valve Made From?

A single check valve comes in different materials.

Brass is the common material used for constructing single check valves.

Moreover, the single check valve can be manufactured from stainless steel, carbon steel, and plastic materials.

What are Different Types of Single Check Valves?

These are the following types of single check valves:

  1. Full flow single check valves – A full flow single check valve can be installed in horizontal and vertical positions. They can be manufactured from different materials.
  2. Single flap check valves – The single flap check waves can operate a wide range of temperature rates. This device is commonly made from stainless steel materials.
  3. Single water check valves – The single water check valves are typically used for clean or wastewater. It comes in various sizes depending on the user’s requirements.
  4. Spring single check valves – The spring single check valves can prevent water hammers. 
  5. Single ferrule check valves – The single ferrule check valves can operate high, small, and medium temperature range.
  6. Single wafer check valves – This device is ideal for gas and oil applications. It is constructed with a slim shape.

What are the Advantages of Single Check Valves?

The single check valves bring a lot of advantages such as:

  1. Single check valves can protect plumbing fixtures and equipment.
  2. They reduce downtime and total cost.
  3. The single check valves offer a simple and ease of maintenance.
  4. This device is easy to use, clean, and install.
  5. The single check valve has durable and rigid construction.
  6. Easy to operate and offer a long service life.
  7. Simple structure and beautiful appearance are guaranteed.

What are the Similarities and Differences Between Single Check Valves and Double Check Valves?

The single and double-check valves are used for preventing backflow situations.

Despite their similarities, these two devices have differences.

The single check valve was utilized for category 2 protection, while the double check valve was applied for category 3 protection.

How Does the Single Check Valve Work?

The single check valve averts the water in the hose from reverse flowing to your water lines.

They create a single-way system according to the water pressures.

How Long Does the Single Check Valves Last?

A single check valve provides a long lifespan allowing them to last longer.

The single check valve can last up to 10 to 20 years.

What are Special Features and Characteristics of Single Check Valves?

The different features of single check valves are:

  1. Replaceable seat rings
  2. Low-pressure drop
  3. Easy to open and close
  4. Less shock

How to Choose the Best Single Check Valves?

To choose the right and best single check valves, you must analyze your particular applications.

Select the single check valve that has a solid and durable construction.

Always choose a high-quality, superior, and exceptional single check valve device without compromising your budget.

How Much Does the Single Check Valve Installation Cost?

The estimated single check valve cost is between $70 and $250, including the installation charge.

If you know how to install a single check valve, you can save more cost.

How to Maintain the Single Check Valves Quality and Good Performance?

The single check valves must always be clean to keep their best functions.

Perform a regular inspection of each single check valve’s part.

Lubricating is also an effective way to maintain the single check valve’s quality.

Single Check Valve Manufacturer

What are Different Parts of Single Check Valves?

The single check valve consists of the following parts:

  1. Body 
  2. Plate
  3. Seal
  4. Stop pin
  5. Hinge pin
  6. Spring
  7. Body bearing
  8. Plate bearing
  9. Spring bearing

What Makes the Single Check Valve Better?

A single check valve is a recommended device for backflow prevention.

This device allows the fluid to flow in a single and one direction.

They have desirable and exceptional characteristics making them an excellent choice in various applications.

How to Install the Single Check Valves?

The horizontal position is preferred and recommended installation for single check valves.

However, the single check valve can be installed in horizontal and vertical ways.

Are Single Check Valves Reliable?

Most of the time, the single check valve functions in a reliable and stable way.

They must be installed, maintained, and cleaned properly, ensuring effective performance.

What are the Applications of Single Check Valves?

The single check valve device is designed to meet various media applications.

This simple device is widely used for water, gas, acid, oil, and other industrial sectors.

What are Different Standards Should be the Single Check Valve Comply?

The single check valve must comply with the following standards:

  1. CE
  2. API
  3. RoHS
  4. WRAPS
  5.  ISO9001
  6. ISO14001
  7. TUV


The single check valve is a high-level check valve used in a wide range of applications.

This article gave you important information in terms of single check valves. Always remember the suggestion, tips, and selection criteria for your single check valve’s sake.

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