Dual Plate Check Valve
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Dual Plate Check Valve
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It consists of two spring-loaded plates that open when the forward flow pressure exceeds the spring force and close when the flow stops or reverses. This quick-closing mechanism reduces the risk of water hammer, which can cause damage to pipelines and equipment. The compact and lightweight design of the valve makes it highly efficient and easy to install, making it a preferred choice in various industries such as oil and gas, water treatment, power generation, chemical processing, and marine applications.
Its design ensures a streamlined flow path, reducing turbulence and energy loss. The spring-assisted closing mechanism enhances performance by preventing slamming, which extends the valve’s lifespan.These valves are often used in high-capacity pumping systems, ensuring efficient operation while maintaining system integrity.Â
Features
- Dual Plate Design
- Rapid Closure
- Low Pressure Drop
- Compact and Lightweight
- Versatile Materials
- Low Cracking Pressure
Applications
- Water Distribution Systems
- Wastewater Treatment Plants
- Chemical Processing Plants
- Oil and Gas Industry
- HVAC Systems
- Pulp and Paper Industry
Specifications
| Type | Dual Plate Check Valve |
| Body Material | Carbon Steel / Stainless Steel (various grades) / Duplex Stainless Steel |
| End Connections | Wafer, Lug, or Flanged |
| Size Range | Typically from 2 inches to 48 inches (or more) depending on manufacturer |
| Pressure Rating | ANSI Class 150, 300, 600, or higher based on application |
| Temperature Range | -20°C to 250°C (-4°F to 482°F) or higher, depending on material |
| Cracking Pressure | Low Cracking Pressure (typically 1-2 psi) |
| Design Standard | ASME B16.34, API 6D, or equivalent |
| Seal Type | Rubber, PTFE, or Metal-to-Metal depending on application |
| Flow Direction | Unidirectional |
| Spring Material | Stainless Steel or Alloy Steel for corrosion resistance |
| Weight | Varies by size and material – typically 5 to 100+ lbs |
| Maintenance | Minimal maintenance required; accessible for cleaning and inspection |
| Applications | Water distribution, wastewater treatment, chemical processing, oil and gas, HVAC, etc. |
