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May 24, 2024

Top Check Valve Dual Plate Manufacturers Comprehensive Guide Sourcing from China.

Top check valve dual plate in China introduce,list main products and website if have

In China, one of the top manufacturers of dual plate check valve is Zhejiang WOD Valve Co., Ltd. Their main products include dual plate check valves in various sizes and materials such as cast iron, carbon steel, stainless steel, and alloy steel. These valves are designed to prevent backflow in pipelines and are widely used in industries such as water treatment, oil and gas, and petrochemical.

Another leading manufacturer of dual plate check valves in China is Tianjin Tanggu Jinhai Precision Casting Co., Ltd. Their check valves are designed in accordance with international standards and are known for their high quality and reliability. The company offers a wide range of dual plate check valves to meet the specific needs of their customers.

Both of these companies have websites where customers can browse their product offerings, specifications, and contact information. The website for Zhejiang WOD Valve Co., Ltd. is, and the website for Tianjin Tanggu Jinhai Precision Casting Co., Ltd. is

Overall, these top manufacturers of dual plate check valves in China offer high-quality products that are widely used in various industries. Customers can rely on their expertise and quality assurance to ensure efficient and reliable operation of their pipelines.

check valve dual plate

Types of check valve dual plate

There are three main types of dual plate check valves: wafer style, lug style, and flanged style.

1. Wafer style dual plate check valves are designed to fit between two flanges, making them a compact and cost-effective option for a wide range of applications. They are lightweight and easy to install, making them a popular choice for HVAC systems, water treatment plants, and industrial processes.

2. Lug style dual plate check valves have threaded lugs on the body of the valve that allow for easy installation and removal without having to remove the entire valve from the pipeline. This design makes them a good choice for applications where frequent maintenance or inspection is required. They are commonly used in high-pressure applications, such as oil and gas pipelines, chemical plants, and power plants.

3. Flanged style dual plate check valves have flanges on both ends of the valve, making them easy to install and remove without the need for additional connecting hardware. They are designed for use in applications where a secure and leak-proof connection is required, such as in fire protection systems, water distribution networks, and wastewater treatment plants.

Overall, dual plate check valves are a versatile and reliable option for a wide range of industries and applications. Their compact design, lightweight construction, and ease of installation make them a popular choice for both new construction projects and retrofitting existing systems.

Pros and Cons of Using check valve dual plate

One of the main advantages of using dual plate check valves is their compact design, which allows for easy installation and maintenance in tight spaces. They are also known for their high flow capacity and low pressure drop, making them efficient for controlling the flow of fluid in a system. Another advantage is their quick closing mechanism, which minimizes the risk of backflow and protects equipment from damage.

However, there are also some drawbacks to using dual plate check valves. One common issue is the potential for leakage due to wear and tear on the valve plates over time. This can lead to reduced efficiency and increased maintenance costs. Additionally, dual plate check valves may not be as effective in controlling low flow rates or handling viscous fluids, as the plates can become stuck or clogged.

Overall, dual plate check valves are a reliable and cost-effective option for many applications where backflow prevention is necessary. However, it is important to consider the specific requirements of your system and the potential limitations of this type of valve before making a final decision. Conducting thorough research and consulting with a professional can help ensure that you choose the best check valve for your needs.

check valve dual plate Reference Specifications (varies for different product)

The dual plate check valve is a type of valve that is designed to allow fluid to flow in one direction only. It consists of two half-circle disks, or plates, hinged in the center, which open and close to control the flow of the fluid.

The Reference Specifications for dual plate check valves may vary depending on the specific product and manufacturer. However, some common specifications include:

1. Size range: Dual plate check valves are available in a wide range of sizes, typically from 2 inches to 48 inches in diameter.

2. Pressure rating: These valves are designed to withstand a certain range of pressures, such as ANSI Class 150, 300, or 600.

3. Temperature range: Dual plate check valves are suitable for use in a variety of temperature ranges, depending on the materials used in their construction.

4. Materials of construction: The valves are typically made from materials such as cast iron, carbon steel, stainless steel, or other corrosion-resistant alloys.

5. End connections: Dual plate check valves may be available with different types of end connections, such as flanged, wafer, or lug.

6. Testing and certification: These valves may be tested and certified to various industry standards, such as API, ASME, or ISO.

It is important to select a dual plate check valve that meets the specific requirements of the application in terms of size, pressure, temperature, and materials of construction. Additionally, proper installation and maintenance are essential to ensure the valve functions correctly and effectively in the system.

check valve dual plate

Applications of check valve dual plate

Check valves are commonly used in a variety of applications to prevent backflow and ensure the unidirectional flow of fluids or gases. The dual plate check valve, also known as the double disc or butterfly valve, is a type of check valve that offers several advantages and is widely utilized in various industries.

One of the primary applications of dual plate check valves is in the oil and gas industry. These valves are commonly used in pipelines and process systems to prevent the reverse flow of oil, gas, or other fluids. They help prevent system damage and ensure the safety and efficiency of operations.

Another important application of dual plate check valves is in the water and wastewater treatment industry. These valves are used in municipal water systems, wastewater treatment plants, and industrial facilities to prevent backflow of contaminated water or chemicals. By ensuring the one-way flow of fluids, dual plate check valves help maintain the quality and integrity of water and wastewater systems.

Dual plate check valves are also used in the chemical and petrochemical industries to control the flow of corrosive or toxic fluids. These valves are essential for preventing leaks, spills, and accidents that could result from backflow or reverse flow of chemicals in pipelines or storage tanks.

In addition to these industries, dual plate check valves are also utilized in HVAC systems, power plants, and marine applications. These valves play a crucial role in maintaining the proper flow and pressure of fluids in heating, cooling, and other systems.

Overall, the dual plate check valve is a versatile and reliable component that finds widespread use in various industrial applications where backflow prevention is essential. Its simple design, compact size, and efficient operation make it a preferred choice for many industries.

Material of check valve dual plate

The dual plate check valve is typically made of high-quality materials such as carbon steel, stainless steel, or ductile iron. These materials are chosen for their durability, corrosion resistance, and ability to withstand high-pressure conditions.

Carbon steel is a popular material for check valves due to its strength and ability to handle high temperatures. It is also cost-effective and readily available. Stainless steel is another common material, known for its corrosion resistance and longevity. Ductile iron is often used for larger check valves due to its strength and resistance to wear and tear.

In addition to the main body material, the disc plates of the dual plate check valve are typically made of materials such as stainless steel, bronze, or rubber. These materials are chosen for their ability to create a tight seal when the valve is closed, preventing backflow in the piping system.

Overall, the materials used in the construction of a dual plate check valve are carefully selected to ensure optimal performance and longevity in a variety of industrial applications. This attention to material selection helps to guarantee reliable operation and minimal maintenance requirements for the valve over its operational lifespan.

Quality Testing Methods for check valve dual plate and how to control the quality

Quality testing methods for check valve dual plate include visual inspection, pressure testing, leakage testing, and material composition analysis.

Visual inspection involves checking for any visible defects such as cracks, dents, or corrosion on the valve body and plates. Pressure testing is done by applying a specific pressure to the valve to ensure it can withstand the designated pressure rating. Leakage testing is performed to ensure that the valve closes properly and does not allow any fluid to pass through when closed. Material composition analysis is conducted to verify that the materials used in the valve construction meet the required specifications for strength and corrosion resistance.

To control the quality of check valve dual plate, it is important to establish strict quality control processes and procedures. This includes implementing thorough inspection protocols at various stages of production, from raw material sourcing to final product assembly. Regular audits and inspections should be conducted to ensure compliance with quality standards. Additionally, quality control personnel should be properly trained to identify and address any quality issues that may arise during the manufacturing process. By implementing these measures, manufacturers can consistently produce high-quality check valve dual plate products that meet customer expectations and industry standards.

check valve dual plate

The Work Process and how to use check valve dual plate

A check valve dual plate is a type of valve that is used to ensure the flow of fluids in one direction and prevent backflow in the opposite direction. It consists of two plates or discs that are hinged together in the middle, allowing them to open and close easily in response to changes in fluid pressure.

To use a check valve dual plate, first ensure that the valve is installed in the correct orientation, with the flow direction indicated on the valve body. This will ensure that the valve operates properly and prevents backflow. The valve can be installed in a horizontal or vertical position, depending on the application.

When the fluid flow in the desired direction, the plates of the valve open to allow the fluid to pass through. When there is backflow or reverse flow, the plates close to prevent the fluid from traveling in the wrong direction. This helps to protect equipment and maintain the integrity of the system.

It is important to regularly inspect and maintain the check valve dual plate to ensure proper functioning. This may involve checking for any signs of wear or damage, lubricating moving parts, and cleaning the valve to remove any debris or buildup that could affect its operation.

In conclusion, the check valve dual plate is a vital component in many fluid systems to ensure proper flow and prevent backflow. By following proper installation and maintenance procedures, the valve can provide reliable and efficient operation for a wide range of applications.

check valve dual plate Importing questions including Cost,Supplier,Sample,Certification and Market

When importing dual plate check valves, there are several factors to consider.

Cost is an important aspect to research when looking for suppliers. Comparing prices from different suppliers will help you find the best deal for the quality of product you are seeking. In addition to cost, it is crucial to ensure that the supplier you choose is reputable and reliable.

Before making a large purchase, it is recommended to request samples from potential suppliers. This will allow you to physically inspect the product and test its quality before committing to a larger order.

Certification is another important consideration when importing dual plate check valves. Make sure the products meet any necessary industry standards and certifications to ensure quality and safety.

Researching the market for dual plate check valves is also key. Understanding the demand for these products in your region and considering any potential competitors will help you make informed decisions about importing.

Overall, thorough research and careful consideration of cost, suppliers, samples, certification, and market conditions will help ensure a successful import of dual plate check valves.

How to find and select check reliable check valve dual plate manufacturers in China

To find reliable check valve dual plate manufacturers in China, start by conducting research online through B2B platforms like Alibaba, Made-in-China, and Global Sources. Look for manufacturers with a good reputation, high-quality products, and positive customer reviews.

Next, reach out to potential manufacturers directly to inquire about their production capabilities, certifications, and experience in manufacturing check valve dual plates. Ask for samples, factory tours, and references from past clients to verify their reliability.

When selecting a manufacturer, consider factors such as production capacity, lead times, pricing, quality control measures, and shipping options. Choose a manufacturer who can meet your specific requirements and provide consistent, reliable products.

Ensure the manufacturer complies with industry standards and regulations, such as ISO certification and CE marking, to guarantee the quality and safety of the products. Negotiate terms and agreements before placing an order to avoid any misunderstandings or delays in the production process.

By following these steps and thoroughly vetting potential manufacturers, you can find a reliable check valve dual plate manufacturer in China that meets your needs and specifications.

Background Research for check valve dual plate manufacturers Companies in China, use

Check valve dual plate manufacturers in China can be found on websites such as,, and These websites provide valuable information about companies that specialize in the production of check valve dual plates.

One such company is China Valmax Valve Co., Ltd., which is a leading manufacturer of industrial valves including check valve dual plates. They have a strong reputation for producing high-quality products that meet international standards. Their products are used in various industries such as oil and gas, petrochemical, and power generation.

Another prominent manufacturer is Tianjin Tanggu Tianshun Valve Co., Ltd., which has been in the business for over 20 years. They have a wide range of products including check valve dual plates that are designed for durability and reliability. Their valves are used in applications ranging from water treatment to sewage systems.

Additionally, Zhejiang Sedelon Valve Co., Ltd. is a well-known manufacturer of industrial valves, including check valve dual plates. They have a strong R&D team that focuses on developing innovative and efficient valve solutions for their customers. Their products are exported to over 40 countries worldwide, demonstrating their commitment to quality and excellence.

Overall, there are many reputable check valve dual plate manufacturers in China that offer high-quality products for various industrial applications. Companies can leverage the information provided on websites like,, and to find the right manufacturer that meets their specific requirements.

check valve dual plate

Price Cost Research for check valve dual plate manufacturers Companies in China, use and

When it comes to researching the price and cost of check valve dual plate manufacturers in China, two popular platforms to use are and On these websites, you can find a wide range of manufacturers offering check valves at competitive prices.

By comparing prices on both platforms, you can get a better understanding of the average cost of dual plate check valves in China. Factors that may affect the pricing include the material used, the size of the valve, and the manufacturer’s reputation.

Additionally, on these platforms, you can also read reviews from other buyers, which can help you evaluate the quality and reliability of different manufacturers. It is important to carefully consider all these factors before making a decision on which manufacturer to purchase from.

Overall, by utilizing and, you can easily research the price and cost of check valve dual plate manufacturers in China and find the best option that fits your budget and requirements.

Shipping Cost for check valve dual plate import from China

The shipping cost for importing a dual plate check valve from China will vary depending on several factors such as the size and weight of the shipment, the shipping method chosen, and the distance travelled.

Typically, the cost of shipping a single check valve from China to the United States using standard shipping methods such as sea freight would range from $50 to $200. Air freight could cost anywhere from $100 to $300 for a single valve.

However, if you are importing a larger quantity of check valves, it may be more cost-effective to use a freight forwarder or shipping agent to help negotiate better rates. Additionally, consolidating multiple shipments into one larger container can help reduce shipping costs.

It is important to factor in any additional fees such as customs duties, taxes, and handling charges when calculating the total shipping cost. Working with a professional import/export company can help ensure that all necessary fees and documentation are handled properly.

Overall, it is important to research and compare different shipping options to find the most cost-effective solution for importing check valves from China. By carefully planning and budgeting for shipping costs, you can ensure a smooth and timely delivery of your products.

check valve dual plate

Compare China and Other check valve dual plate Markets: Products Quality and Price,Visible and Hidden Costs

China and other check valve dual plate markets offer similar products in terms of quality, as both regions produce check valves that comply with international standards. However, the prices of check valves in China are generally lower compared to other markets due to lower production costs, cheaper labor, and scale of production. This makes China a more cost-effective option for companies looking to purchase check valves in bulk.

In terms of visible costs, such as the initial purchase price of the check valve, China offers a competitive advantage. However, other markets may have higher quality control standards and better customer service, which could result in lower hidden costs in the long run. This includes costs related to maintenance, repair, and replacement of check valves.

Furthermore, the reputation of China-made products in terms of quality and reliability may also impact the perceived value of check valves from this market. Some buyers may be willing to pay a premium for check valves from other markets with a better reputation for quality and performance.

In conclusion, while China offers competitive prices for check valves, buyers should consider both visible and hidden costs, as well as product quality and reputation when making purchasing decisions. It is essential to balance cost savings with overall value and reliability to ensure long-term satisfaction with the purchased product.

Custom Private Labeling and Branding Opportunities with Chinese check valve dual plate Manufacturers

Chinese check valve dual plate manufacturers offer custom private labeling and branding opportunities for businesses looking to create a unique product line. With the ability to customize the design, packaging, and branding of the check valves, manufacturers can help businesses establish a strong brand identity and stand out in the market.

By working with Chinese check valve dual plate manufacturers, businesses can tailor the product to meet their specific requirements and target market preferences. This customization can include adding logos, product names, and other branding elements to the check valves, creating a cohesive and professional look for the entire product line.

Additionally, Chinese manufacturers have the expertise and resources to ensure high-quality production and efficient delivery of custom orders. With streamlined manufacturing processes and top-of-the-line equipment, businesses can trust that their custom check valves will meet the highest quality standards and be delivered on time.

Overall, partnering with Chinese check valve dual plate manufacturers for custom private labeling and branding opportunities can help businesses differentiate themselves in the market, attract more customers, and build a strong and recognizable brand presence. With the right manufacturer, businesses can create a unique and competitive product line that reflects their brand values and resonates with their target audience.

Tips for Procurement and Considerations when Purchasing check valve dual plate

When purchasing a check valve dual plate, there are several considerations to keep in mind to ensure you select the right product for your needs. Here are some tips to help guide you through the procurement process:

1. Material: Check valves are available in various materials such as stainless steel, carbon steel, and brass. Consider the compatibility of the material with the fluid being handled to ensure optimal performance and longevity.

2. Size and pressure rating: Check valves come in different sizes and pressure ratings. It is essential to select a valve that can handle the flow rate and pressure of your system to prevent any issues or malfunctions.

3. Performance requirements: Consider the cracking pressure, flow capacity, and maintenance requirements of the check valve to ensure it meets the performance needs of your application.

4. Quality and reliability: Choose a check valve from a reputable manufacturer known for producing high-quality and reliable products to ensure long-term performance and minimal maintenance.

5. Compliance and certifications: Ensure that the check valve meets relevant industry standards and certifications to guarantee safety, quality, and compliance with regulations.

6. Cost: Compare prices from different suppliers to find a check valve that offers the best value for your budget while meeting your performance requirements.

By considering these factors and following these tips, you can make an informed decision when purchasing a check valve dual plate for your application.

check valve dual plate

FAQs on Sourcing and Manufacturing check valve dual plate in China

Q: Is it cost-effective to source dual plate check valves from China?

A: Yes, sourcing dual plate check valves from China can be cost-effective due to lower labor and manufacturing costs compared to other countries.

Q: Can I trust the quality of check valves manufactured in China?

A: Yes, many Chinese manufacturers produce high-quality dual plate check valves that meet international standards and specifications. It is important to work with reputable manufacturers and conduct thorough quality control inspections.

Q: How do I find reliable manufacturers for dual plate check valves in China?

A: You can start by researching and identifying reputable manufacturers through online directories, industry associations, and trade shows. It is also recommended to request samples, visit factories, and perform background checks before finalizing any agreements.

Q: What are the lead times for manufacturing dual plate check valves in China?

A: Lead times for manufacturing dual plate check valves in China can vary depending on the complexity of the product and the manufacturer’s production capacity. It is important to communicate your specific requirements and timeline expectations with the manufacturer to ensure timely delivery.

Q: Are there any regulations or certifications I should be aware of when sourcing check valves from China?

A: Yes, it is important to ensure that the dual plate check valves meet industry standards such as API, ANSI, and ISO certifications. Additionally, you should verify compliance with environmental and safety regulations in both China and your own country.

Why contact get free quota from reliable check valve dual plate suppliers? is a leading platform that connects businesses with reliable suppliers in China. By contacting, you can easily get a free quota from trusted check valve dual plate suppliers. This allows you to compare quotes, negotiate prices, and ultimately find the best supplier for your needs.

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Overall, contacting to get a free quota from reliable check valve dual plate suppliers is a smart choice for businesses looking to source products from China. It simplifies the sourcing process, ensures you are working with reputable suppliers, and ultimately helps you find the best partner for your needs.

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