Series D High Performance Dual Plate Check Valves

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Hy-Grade Valve Series D High Performance Check Valves are available in a variety of materials to meet virtually any application.
  • Sizes: 16" & up
  • ASME Classes: 150 - 2500
  • Manufactured to: API Standard 594
  • Dual plate design
  • Integral shaft & disc design with no hinge or stop pins
  • Renewable seats for easy maintenance
  • Independent springs for instant non-slam operation
  • Zero Fugitive Emissions - retainerless design with no external holes or leak points