Find My Check Valve
The DFT® Y-Calibur® Silent Check Valve is an in line repairable, spring-assisted, center guided, non-slam check valve that provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, bonnet, gasket, seat, spring, disc with stem and guide bushing. Y-Calibur® check valves are available in a wide range of sizes and pressure ratings and in a variety of materials to meet most check valve requirements.
Unit of Measure



N/A ASME B16.10 ASME Class 600 to 2500

Line Size

N/A 4 to 14 in


N/A 1500 2500 600 900
Trim Material1 N/A Stainless Steel


N/A Butt Welds



  • ASME B16.10 Face-to-Face dimensions
  • Spring-assisted silent closing, non-slam
  • 4" to 14" Line size (Other Sizes available on application)
  • ASME Class 600 to 2500 (See chart)
  • Standard body materials:
    • A216 WCB carbon steel
    • A351 CF8M stainless steel
  • Optional body materials:
    • Duplex SS
    • Hastelloy®
    • Inconel® 600
    • Monel®
  • Standard ends:
    • Butt weld
  • Stainless steel trim
    • Other materials available
  • Center-guided
  • Dual-guided stem & disc
  • Horizontal or vertical installation
  • Tight shutoff
  • Protected spring
  • Fully repairable in-line
  • Versatile
  • Axial flow/non-slam design
  • Options:
    • Inconel® X-750 Spring
    • Custom sizing low flow
    • Severe service trim
    • Stellite® trim
    • NACE



N/A {0}
  • 1 Other materials available.