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