DFT BNC™

The DFT BNC™ silent check valve is a spring-assisted, center-guided, non-slam, butt weld valve that provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, seat, spring, disc with stem, guide bushing and gasket. The DFT BNC™ check valve has the advantage of minimum pressure loss with silent operation.

Features:

  • 10” to 24” line size*
    ASME class 600, 900, and 1500
  • Butt weld ends per ASME B16.25
  • Design meets API 6D & ASME B16.34Standard Body Materials**:
    • A216 WCB carbon steel
    • Other alloys per ASME 16.34 by request
  • Trim materials:
    • Stainless Steel
    • Hard-faced seat and disc
  • Center-guided/dual-guided stem
  • Spring assisted silent closing, non-slam
  • Testing meets MSS SP-61 & API 598 (shell and seat)
  • Allowable seat leakage per MSS SP-61
  • Horizontal or vertical installation
  • In-line globe style with butt weld end connections
  • One-piece body
  • Protected spring
  • Options:
    • Inconel§ X-750 spring
    • Custom sizing available

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