Dual Plate Check Valve China Factory and Leading Suppliers of Industrial NonReturn Valves

Dual Plate Check Valve China Factory and Leading Suppliers of Industrial NonReturn Valves

Premium Dual Plate Check Valve from a trusted China factory. Designed to EN 12334 and API 594 standards with ASME B16.1 and EN 1092 flanges. Tested per API 598 and EN 12266, available up to 24 inches. Contact our expert suppliers today.



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The Dual Plate Check Valve is a high-performance non-return valve engineered for precision flow control and prevention of backflow in industrial piping systems. Designed in accordance with EN 12334 and API 594 standards, this valve utilizes a dual-plate mechanism that offers a more compact design and lower pressure drop compared to traditional swing check valves, ensuring maximum efficiency in space-constrained environments.

Built for durability and versatility, our Dual Plate Check Valves are available in a wide range of sizes up to 24 inches, supporting various flange standards including ASME B16.1 and EN 1092. With a robust selection of materials ranging from Cast Iron to Stainless Steel and specialized PTFE bearings, these valves are optimized for rigorous testing under API 598 and EN 12266, guaranteeing leak-proof operation across diverse industrial applications.

Detailed Parameters

Design StandardsEN 12334 / API 594 Flange DimensionsASME B16.1 / EN 1092
Test & InspectionAPI 598 / EN 12266 Maximum SizeUp to 24" (DN 600)
Body MaterialCast Iron, Ductile Iron Plate MaterialDuctile Iron+Ni, CF8, CF8M, Bronze
Spring & PinStainless Steel Seat MaterialNBR, EPDM, Viton, Neoprene
Bearing MaterialPTFE (Body & Spring) Plug MaterialCarbon Steel

Key Advantages

Superior Durability

Constructed with premium Ductile Iron and Stainless Steel to withstand high-pressure environments and corrosion.

Low Pressure Drop

The dual-plate design minimizes flow resistance, reducing energy costs and improving system throughput.

Certified Quality

Fully compliant with API 598 and EN 12266 testing standards for guaranteed zero-leakage performance.

Compact Footprint

Significantly shorter face-to-face dimensions compared to traditional check valves, saving valuable installation space.

Versatile Sealing

Available with NBR, EPDM, and Viton seats to ensure chemical compatibility with various media.

Easy Maintenance

Modular design allows for rapid inspection and component replacement, reducing operational downtime.

Product Gallery

Dual Plate Check Valve China Factory and Leading Suppliers of Industrial NonReturn Valves

Management Platforms

Material Tracking

Full traceability of cast iron and stainless steel batches for quality assurance.

Precision CNC Machining

Advanced machining for plate and seat tolerances to ensure a perfect seal.

Leakage Testing

Rigorous hydrostatic and pneumatic testing according to API 598 protocols.

Coating Management

Professional anti-corrosion coating processes for extended service life in harsh areas.

Inventory Control

Optimized stock management for sizes 2" to 24" to ensure rapid lead times.

Quality Auditing

Strict adherence to ISO and EN manufacturing standards across all production lines.

Investment Return Comparison

MetricStandard Swing ValveDual Plate ValveEconomic Impact
Installation SpaceHigh RequirementCompact DesignReduced Piping Cost
Pressure LossSignificantMinimalLower Energy Bills
WeightHeavyLightweightEasier Installation
Water Hammer RiskHigherReducedLonger Pipe Life
Maintenance CycleFrequentExtendedLower OPEX

Frequently Asked Questions

Q: What are the primary advantages of a Dual Plate Check Valve over a Swing Check Valve?

Dual Plate Check Valves offer a more compact design, lower pressure drop, and significantly reduced risk of water hammer, making them ideal for high-efficiency industrial systems.

Q: Which materials are recommended for corrosive media in valve manufacturing?

For corrosive environments, we recommend CF8 or CF8M (Stainless Steel) for the plates and Viton or EPDM for the seats to ensure maximum chemical resistance.

Q: Does the Dual Plate Check Valve comply with international standards?

Yes, our valves are designed and manufactured according to EN 12334 and API 594, with flange dimensions following ASME B16.1 and EN 1092.

Q: What is the maximum size available for this type of check valve?

Our Dual Plate Check Valves are available in a comprehensive size range, supporting diameters up to 24 inches (DN 600).

Q: How is the leakage tested for these industrial valves?

Every valve undergoes strict inspection and testing in accordance with API 598 and EN 12266 standards to ensure leak-proof performance.

Q: Can these valves be used for both liquid and gas applications?

While primarily used for liquids in the valve and pipe fittings industry, the material selection (like PTFE bearings and Stainless Steel springs) allows for various media depending on the specific seat material chosen.

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