Excalibur

The DFT Excalibur silent check valve is a 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, gasket, seat, spring, disc with stem and guide bushing. Excalibur check valves are available in a wide range of sizes and pressure ratings and in a variety of metals to meet most check valve requirements.

Features:

  • ASME B16.10 Face-to-Face dimensions
  • Spring-assisted silent closing, non-slam
  • 2” to 24” Line size
  • ASME Class 150 to 1500
  • Standard body materials:
    •  A216 Grade WCB carbon steel
    •  A351 CF8M stainless steel
  • Optional body materials:
    •  Alloy 20
    •  Duplex SS
    •  Hastelloy±
    •  Inconel§ 600
    •  Monel§
    •  Nickel-Aluminum Bronze
  • Standard ends: – RF Flanged
  • Optional ends (4):
    •  Butt weld
    •  Flanged x Butt weld
    •  Victaulic†
    •  RTJ
  • Stainless steel trim
  • Center-guided
  • Dual-guided stem
  • Horizontal or vertical installation
  • Tight shutoff
  • Two-piece body
  • Protected spring
  • Easy maintenance
  • Versatile
  • Axial flow
  • Nozzle style
  • Options:
    •  Soft seat
    • Inconel§ X-750 spring
    •  Custom sizing low flow
    •  Severe service trim
    •  Stellite† trim
    •  NACE

*consult TFC for larger sizes
**consult TFC for additional alloys