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  • Dual Plate Check Valve
  • Dual Plate Check Valve

Dual Plate Check Valve

Reliable Backflow Prevention for Large-Diameter Pipelines

"Unidirectional Strength. Uncompromised Flow. Trust Valve’s API 594 Swing Checks—Engineered for Mass Flow Systems."​

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  • Key Features & Benefits
  • Product Range
  • Technical Specifications
  • Application Sectors

Features​

Benefits​

Swing Disc Design with Hinged Top Pivot​

Ensures quick closure to minimize backflow and water hammer effects in pump shutdown scenarios.​

Full-Bore Flow Path​

Maintains minimal pressure drop (≤0.5 psi in typical applications), optimizing energy efficiency in large networks.​

Welded or Bolted Body Construction​

Welded for high-integrity systems; bolted for easy maintenance in water treatment plants.​

  • Key Features & Benefits
  • Product Range
  • Technical Specifications
  • Application Sectors
  • Single Disc Swing Checks: For NPS 2" to 48" (DN 50 to DN 1200).​
  • Dual Plate Checks: Rubber or PTFE linings for corrosive media in chemical processing.​
  • Cryogenic Swing Checks: Specialized designs for LNG and oxygen service (-196°C).​
  • Key Features & Benefits
  • Product Range
  • Technical Specifications
  • Application Sectors
  • Size Range: NPS 2" to 144" (DN 50 to DN 3600)​
  • Pressure Classes: 150 to 900 (PN 20 to PN 160)​
  • Testing: API 598 (Shell & Seat), API 594 Type Testing for Closure Performance​
  • Materials: WCB, WC6, CF8, CF8M, Ductile Iron (GGG40) for water applications​
  • Key Features & Benefits
  • Product Range
  • Technical Specifications
  • Application Sectors
  • Water & Wastewater (Treatment Plants, Distribution Mains)​
  • Irrigation (Agricultural Canals, Dam Systems)​
  • Oil & Gas (Crude Oil Pipelines, Offshore Platforms)​
  • Power Generation (Condensate Return Lines, Cooling Water Systems)​
  • Marine (Ballast Water Systems, Shipboard Pipeline.