Views: 222 Author: Rebecca Publish Time: 2026-03-01 Origin: Site
Content Menu
● What Is a Dual Plate Check Valve?
● Top 10 Dual Plate Check Valve Manufacturers in China
>> 1. Tianjin Wode Valve Co., Ltd.
>> 2. Zhejiang Zhedong Valve Co., Ltd.
>> 4. Shanghai Lianggong Valve Co., Ltd.
>> 5. Yuanda Valve Group Co., Ltd.
>> 6. Tianjin Tanggu TWT Valve Co., Ltd.
>> 7. Weidouli Valves Co., Ltd.
>> 8. Zhejiang Lixin Valve Co., Ltd.
>> 9. Hefei Milky Valve Co., Ltd.
>> 10. Kaer Valve (China) Co., Ltd.
● Factors to Consider When Choosing a Dual Plate Check Valve Manufacturer
>> 3. Testing and Quality Control
>> 4. Customization Capability
● Global Market Outlook for Dual Plate Check Valves
● FAQ – Common Questions About Dual Plate Check Valves
>> 1. What is the main function of a dual plate check valve?
>> 2. How does a dual plate check valve differ from a swing check valve?
>> 3. What materials are commonly used for dual plate check valves?
>> 4. Can dual plate check valves be installed vertically?
>> 5. How often should a dual plate check valve be maintained?
China has become one of the world's most competitive markets for industrial valves, offering an extensive range of products covering water supply, oil and gas, petrochemical, power generation, and municipal pipeline applications. Among them, Dual Plate Check Valve Manufacturers from China are recognized for their reliability, cost efficiency, and advanced engineering standards. These manufacturers supply global distributors, EPC contractors, and project developers with valves designed to ensure long service life, minimal pressure loss, and compact installation.
This article lists the Top 10 Dual Plate Check Valve Manufacturers in China, focusing on their production capability, technological advantages, and market reputation.
A Dual Plate Check Valve (also known as a double-door check valve) is a type of non-return valve designed to prevent backflow in pipelines. It uses two spring-loaded plates or flaps that automatically close when the flow direction reverses. The compact structure, low weight, and minimal head loss make it ideal for water treatment, municipal projects, and industrial pipeline systems.
Key advantages include:
- Reduced water hammer effect due to spring-assisted plates
- Compact structure and lightweight body
- Easy maintenance and long service life
- Suitable for both horizontal and vertical installation
With these advantages, demand for dual plate check valves has grown rapidly in China and internationally, stimulating competition and quality improvement among local manufacturers.
Below are ten trusted companies that have built strong reputations in the dual plate check valve segment.
Headquarters: Tianjin, China
Core Products: Dual Plate Check Valves, Butterfly Valves, Gate Valves, and Air Release Valves
Tianjin Wode Valve Co., Ltd. is a leading professional valve manufacturer specializing in water treatment and municipal pipeline applications. With advanced CNC machining centers, precision testing systems, and automated assembly lines, the company delivers high-quality dual plate check valves that meet ISO, API, and EN standards.
Their dual plate check valves feature low-pressure drop, tight sealing performance, and corrosion-resistant materials suitable for potable water, HVAC, and industrial pipelines. Wode Valve supplies products to global distributors, EPC contractors, and international valve brands, emphasizing durability and long-term value.
Technical highlights:
- Ductile iron / stainless steel body options
- EPDM or NBR seats for effective sealing
- Tested for endurance, water tightness, and pressure resistance
- Full export experience with compliance to international standards
With consistent investment in R&D and strict quality assurance systems, Tianjin Wode Valve Co., Ltd. ranks at the forefront of China's Dual Plate Check Valve Manufacturers, serving clients from Europe, the Middle East, and Southeast Asia.
Located in Wenzhou, Zhejiang Zhedong Valve is one of China's oldest industrial valve producers, specializing in API-certified check valves, gate valves, and ball valves. The company's dual plate check valves are widely used in oil & gas, metallurgy, and marine systems.
Their products are designed for high-pressure environments and comply with API 594 and ASME B16.34 standards. Zhedong Valve integrates CAD/CAE design and CNC machining to ensure precision and longevity across its valve portfolio.
Xinhai Valve in Zhejiang is known for manufacturing wafer-type and flanged dual plate check valves with optimized hydrodynamic performance. The company focuses on lightweight, corrosion-resistant designs suitable for water supply projects and chemical industries.
Their check valves are coated with epoxy powder and offer customizable spring configurations for various media types. Xinhai also provides OEM and ODM services for international brands.
Shanghai Lianggong Valve has been manufacturing industrial valves for over three decades, offering a complete range including dual plate check valves, butterfly valves, and ball valves. Their products are installed in urban water systems, refinery pipelines, and power plants.
The company's dual plate check valves use high-strength hinge shafts for reliable closure and minimal backflow leakage. Lianggong Valve's strength lies in its strong technical team and comprehensive inspection center.
Yuanda Valve Group is among China's most recognized valve conglomerates. It manufactures a full range of valves under international standards such as BS, ANSI, API, and DIN.
The dual plate check valves from Yuanda are widely used in water distribution networks, HVAC systems, and marine projects. Their automated production lines and robotic painting workshops ensure product consistency and superior surface finishing.
Tianjin TWT Valve specializes in water supply valves, including double flanged and wafer-type dual plate check valves. The company's valves are preferred by municipal water companies due to their excellent flow performance and compact design.
With a focus on epoxy-coated ductile iron valves, TWT ensures corrosion resistance for long service life in buried pipelines and corrosive environments.
Based in Wenzhou, Weidouli Valves is highly regarded for manufacturing valves in exotic materials such as titanium, duplex stainless steel, and Hastelloy. Their dual plate check valves are particularly suited to chemical, desalination, and offshore applications where corrosion resistance is crucial.
Weidouli holds several international certifications and partners with global end-users in Europe and the Americas.
Lixin Valve offers economical but reliable dual plate check valves for water and industrial fluid systems. The company provides wafer, flanged, and cast-steel models with sizes up to DN600.
Their valves undergo rigorous pressure and leakage testing, ensuring compliance with ISO 9001 and CE standards. Lixin's quick delivery time and stable product quality make it a preferred source for overseas distributors.
Milky Valve focuses on precision-engineered check valves designed for energy, oil & gas, and fire protection industries. Their dual plate check valves are known for lightweight structure, minimal pressure drop, and easy installation.
Milky Valve continuously invests in automated machining equipment and employs advanced casting techniques for consistent quality.
Kaer Valve provides complete valve solutions for building, municipal, and power applications. Their dual plate check valves are available in a variety of materials including ductile iron, carbon steel, and stainless steel.
With strong R&D support and modern testing labs, Kaer Valve has established partnerships with engineering firms across Asia, Africa, and Europe.
When selecting a Dual Plate Check Valve Manufacturer, several technical and operational aspects must be evaluated to ensure quality, performance, and compatibility with your project.
Check that the manufacturer uses certified materials suitable for the medium—whether water, oil, seawater, or chemicals. Stainless steel and ductile iron are the most common choices.
Ensure compliance with recognized standards such as API 594, ISO 5752, and ASME B16.34. Certified manufacturers demonstrate quality assurance and repeatable production.
Reputable firms conduct hydrostatic, seat leakage, and functional testing before shipping. Look for companies with advanced testing facilities and third-party inspection reports.
A manufacturer's flexibility in material configuration, dimensions, and end connections can help meet specific system requirements and international project standards.
Timely response, spare parts availability, and technical assistance play a vital role, especially for long-term infrastructure or EPC projects.
With the rapid expansion of urban infrastructure, clean water projects, and industrial automation, the global demand for dual plate check valves continues to rise. China's strong manufacturing base, cost advantage, and continuous technological improvement have positioned its companies as major suppliers worldwide.
Sectors driving this demand include:
- Municipal water and wastewater systems
- HVAC and building utilities
- Desalination plants and offshore energy
- Industrial and chemical processing
In coming years, sustainability, smart monitoring, and material innovation (e.g., composite or anti-corrosion alloys) will further enhance the competitiveness of Chinese valve manufacturers in the global market.
China's Dual Plate Check Valve Manufacturers have earned worldwide credibility through innovation, precision manufacturing, and strict quality control. From large groups like Yuanda to specialized producers like Tianjin Wode Valve Co., Ltd., these companies demonstrate how Chinese engineering has evolved into a global standard of reliability.
For international buyers seeking high-performance dual plate check valves, choosing a reputable Chinese manufacturer provides cost-effective solutions without compromising quality. Whether for water treatment, municipal pipelines, or industrial systems, these top 10 manufacturers represent the best of China's valve industry.
A dual plate check valve prevents reverse flow in a pipeline system. When fluid flows forward, the plates open; when the flow reverses, the plates close automatically, stopping backflow.
While a swing check valve has a single disc that swings open, a dual plate check valve uses two spring-loaded plates. This design minimizes water hammer and pressure loss.
Manufacturers typically use ductile iron, carbon steel, stainless steel, or alloy materials depending on the medium and operating pressure. Rubber seats (EPDM/NBR) and stainless plates are common combinations.
Yes. Dual plate check valves can be installed in both horizontal and vertical orientations, provided the flow direction matches the arrow indicated on the body.
Maintenance depends on the medium and system pressure. Generally, periodic inspection every 6–12 months is recommended to ensure optimal performance and prevent deposits or corrosion.
