The DFT® Excalibur® NAB (Nickel-Aluminum Bronze) Silent Check Valve is a spring-assisted, nozzle style, non-slam check valve and designed to withstand the harsh environments of salt and brine water applications where corrosion resistance and marine life deterrents are a must. DFT’s centre guided check valves provide reliable, low-maintenance service and solve the problems associated with water hammer and severe applications and environments.
Features:
- ASME B16.10 Face-to-Face dimensions
- Spring-assisted silent closing, non-slam
- 2” to 24” Line size
- ASME 150 to 1500
- Standard body materials:
- Nickel-Aluminum Bronze
- Standard ends:
- RF Flanged
- Optional ends:
- Butt weld
- Flanged x Butt weld
- RTJ
- Victaulic®
- Center-guided
- Dual-guided stem
- Horizontal or vertical installation
- Tight shutoff
- Two-piece body
- Protected spring
- Easy maintenance
- Versatile
- Axial flow
- Nozzle style
- Options:
- Inconel® X-750 spring
- Soft seat
- Custom sizing low flow
- Severe service trim
- Stellite® trim
- NACE
- Trim Options:
- Nickel-Aluminum Bronze
- Monel®
- Stainless Steel
*consult TFC for larger sizes
**consult TFC for additional alloys