Wafer Dual Plate Check Valve – China Manufacturer & Supplier

Premium Quality Wafer Dual Plate Check Valves from China

As a professional China wafer dual plate check valve manufacturer, Yuanjd Valve specializes in the design, production, and supply of high-performance dual plate check valves for a wide range of industrial applications. Our wafer dual plate check valves are engineered to provide reliable automatic backflow prevention —allowing fluid to flow in one direction while closing instantly to prevent dangerous reverse flow that could damage pumps, compressors, and other critical system equipment.

Also known as double-disc check valves or butterfly check valves, wafer dual plate check valves utilize two spring-loaded semicircular plates mounted on a central hinge pin. The plates open under forward flow pressure and are snapped shut by torsion springs the moment flow decelerates or reverses. This design enables rapid closure with a short travel distance (approximately 35 degrees vs 70+ degrees for swing checks), significantly reducing the risk of water hammer—a primary reason dual plate check valves have replaced swing checks in many applications.

Manufactured in strict accordance with API 594 (Check Valves: Flanged, Lug, Wafer, and Butt-welding), our wafer dual plate check valves conform to Type A short face-to-face dimensions. Available in sizes from NPS 2″ to 48″ (DN50 to DN1200) and pressure classes from Class 150 to Class 2500, our valves are designed to meet the most demanding industrial requirements.

Key Advantages Over Swing Check Valves

The advantages are clear: a wafer dual plate check valve is up to 80% lighter than a swing check valve, requires far less structural support, and is much easier to install between flanges. For reciprocating compressor discharge and pump stations with frequent start/stop cycles, dual plate check valves are the standard recommendation.

Technical Specifications

Our wafer dual plate check valves offer the following key features:

• Design Standards: API 594 Type A, API 6D

• Face-to-Face Dimensions: API 594 short pattern

• Body Styles: Wafer type (with optional lug configuration)

• Body Materials: Carbon steel (ASTM A216 WCB), stainless steel (ASTM A351 CF8M), ductile iron, cast iron, and exotic alloys including titanium, nickel alloys, Hastelloy, Monel

• Disc/Trim Materials: Stainless steel 304/316, 13Cr, Stellite hardfacing

• Seat Options: Metal-seated or soft-seated (PTFE, NBR, EPDM)

• Pressure Range: Class 150 to Class 2500

• Size Range: NPS 2″ to 48″ (DN50 to DN1200)

• Testing: API 598

• Marking: MSS SP-25

Applications & Industries

Wafer dual plate check valves are widely used across multiple industrial sectors:

• Oil & Gas – pipelines, offshore platforms, refining, LNG & cryogenics

• Chemical & Petrochemical – corrosive media handling, process safety

• Power Generation – cooling water systems, thermal power

• Water & Wastewater Treatment – potable water, sewage, irrigation

• Steel & Primary Metals – high-temperature services

• Marine & Shipbuilding – shipboard piping systems

• HVAC – heating and cooling systems

Why Choose Yuanjd Valve as Your China Wafer Dual Plate Check Valve Manufacturer?

At Yuanjd Valve, we combine decades of manufacturing expertise with advanced production facilities and rigorous quality control systems. As a leading China wafer dual plate check valve supplier, we are committed to delivering products that meet international quality standards while offering competitive factory-direct pricing.

The global Wafer Type Dual Plate Check Valve Market was valued at approximately USD 2,127.8 million in 2025 and is expected to reach USD 3,800 million by 2035, with a compound annual growth rate (CAGR) of around 6.0%. The Asia-Pacific region is anticipated to lead the market due to rapid industrialization and infrastructural development in emerging economies. Yuanjd Valve leverages this ecosystem—with China at the heart of global valve manufacturing—to provide our global clients with high-quality products at competitive prices, backed by reliable delivery and responsive after-sales support.

Our commitment to excellence is reflected in every stage of production—from raw material selection and precision machining to strict testing and inspection per API 598 requirements. Each valve undergoes rigorous shell strength and sealing tests before leaving our factory. We hold ISO 9001 certification and our valves are available with CE marking, ensuring compliance with international regulatory requirements.

OEM & Customization Services

We offer comprehensive OEM and customization services, allowing you to specify materials, sizes, pressure ratings, end connections, and certifications that precisely match your industrial requirements. Whether you need wafer or lug body styles, metal-seated or soft-seated configurations, or horizontal or vertical installation—our engineering team can deliver tailored solutions for your specific project needs.

Contact Us

Partner with a reliable wafer dual plate check valve manufacturer in China. Contact Yuanjd Valve today for product inquiries, technical support, or to request a quote. Our experienced team is ready to assist you with professional guidance and prompt service.