Dual Plate Check Valve is engineered to handle the most demanding industrial environments, offering superior flow efficiency, quick response times, and exceptional prevention of backflow. These valves feature a compact, lightweight, and robust twin-plate design that minimizes water hammer and pressure drop. They can be constructed from standard carbon steel or high-performance materials such as Stainless Steel, Super Duplex Stainless Steel (SDSS), Hastelloy, Monel, and Nickel-Aluminum Bronze, ensuring outstanding durability and reliability. Designed for industries where space and weight are critical constraints, these valves provide exceptional performance in applications such as chemical processing, water treatment, oil & gas, offshore platforms, and power generation. Their spring-loaded design ensures fast closure, reliable sealing, and long-term structural integrity even in the harshest conditions.
Specifications
-
Nominal Diameter: DN50 to DN1200 (2″ to 48″)
-
Nominal Pressure: Class 150 to Class 2500 / PN10 to PN420
-
End Connection:
-
Wafer (API 594)
-
Lug (API 594)
-
Flanged (ASME B16.5 / ASME B16.47)
-
Hub End
-
Design Standards
-
API 594
-
API 6D
-
ASME B16.34
-
ISO 9001
Manufacturers
-
KITZ Dual Plate Check Valve
-
CRANE / Stockham Dual Plate Check Valve
-
SVR GLOBAL Dual Plate Check Valve
-
GOODWIN Dual Plate Check Valve
We also source high-quality Dual Plate Check Valves from reliable suppliers across China, India, and the USA/Europe, offering cost-effective solutions without compromising on quality or performance. Our extensive experience in global valve supply ensures that we can meet your project requirements with precision and reliability.
Applications
Dual Plate Check Valves are widely used across various industries requiring reliable backflow prevention, low pressure drop, and space-saving designs, including:
-
Oil & Gas (especially offshore platforms and FPSOs)
-
Chemical & Petrochemical Processing
-
Water Treatment & Desalination Plants
-
Power Generation & Cooling Systems
-
Marine & Shipbuilding Applications
-
Mining & Slurry Pipeline Operations
-
Pulp & Paper Industries
These valves are specifically designed to handle rapid flow reversals, protect sensitive equipment like pumps and compressors, and optimize space in tight piping layouts. When manufactured from high-performance materials like Stainless Steel, SDSS, or exotic alloys, they provide superior protection against erosion, cavitation, and corrosive fluids, ensuring an extended service life in the most challenging environments. Approved in Tabreed, Aramco, KOC & ADNOC.
Our Dual Plate Check Valves offer unmatched performance in critical piping systems, ensuring superior protection against backflow while maintaining excellent flow characteristics. With flexible material customizations, pressure ratings, and sourcing options, we provide tailored solutions to meet your specific operational needs.
For more information about our products and services, or to discuss your specific valve requirements, feel free to contact us.
| Technical Parameter | Standard Specifications & Capabilities |
|---|---|
| Valve Profile & Mechanics | Dual Plate Check Valve / Twin Plate Check Valve (Spring-assisted dual plate layout designed to close rapidly before fluid reversal velocity peaks; eliminates water hammer slams and protects line machinery) |
| Nominal Size Range | DN50 to DN1200 (2 Inch to 48 Inch mainline process systems) |
| Pressure Design Ratings | ASME Class 150 / Class 300 / Class 600 / Class 900 / Class 1500 / Class 2500 | PN10 to PN420 |
| Body Metallurgy Alloys | Carbon Steel (ASTM A216 WCB/LCC), Stainless Steel (ASTM A351 CF8/CF8M/CF3M), Cast Iron (GG25), Ductile Iron (GGG40), Super Duplex Stainless Steel (SDSS), Nickel-Aluminum Bronze (C95800), Monel, and Hastelloy |
| Twin Plate Discs | Aerodynamically engineered twin plates in Stainless Steel (CF8M), Super Duplex (Gr. 5A/6A), or heavy Aluminum Bronze (C95800) offering minimized resistance |
| Hinge & Stop Pin Assembly | High-tensile Stainless Steel (SS316/SS410), Duplex (UNS S31803), Super Duplex (UNS S32750/S32760), Monel K500, or heavy-duty Inconel 718 shafts |
| High-Cycle Springs | Inconel X-750 (Standard configuration for ultra-fast closure, anti-slam dynamic performance, and thermal elasticity), Stainless Steel 316, Monel, or Hastelloy |
| Seating Configuration | Resilient Soft Seats (EPDM, Buna-N/NBR, Viton/FKM, PTFE overlays) or hard metal-to-metal integral seats to combat aggressive pipeline erosion |
| Structural Body Profiles | Standard Flanged retainer block body or heavy **Retainerless Body design** (eliminates external plugs and leak paths to guarantee absolute emission security) |
| Pipeline Connections | Wafer Type Sandwich, Lugged Ends, Flanged RF / RTJ (ASME B16.5 / B16.47), or specialized industrial Hub Ends |
| Design Compliance Codes | API 594 wall dimensions, API 6D tracking, ASME B16.34 parameters, ISO 9001 quality metrics |
| Testing Standards | API 594 / API 598 structural integrity, valve body wall verification, and bubble-tight shell leak tests |
| Asset Quality Dossier | EN 10204 3.1 Mill Test Certificates (MTC), verifiable heat charts, casting chemistry reports, and certified drawings |
| Regional Utility Compliance | Fully approved and engineered to meet requirements across regional networks like Tabreed chiller plants, Saudi Aramco, ADNOC loops, KOC systems, SWCC water lines, and NWC projects |
