The NAF Duball DL Ceramic is a ball valve that is internally lined with ceramic for erosive and abrasive media. It is primarily intended for control but has a sealing class as for a shut-off valve. The valve represents a concrete result of our product philosophy which is focused on functionality, high quality and low life cycle costs, and is based on concentrating our range to a limited number of valve types, but all of them suitable for a wide variety of applications.
Additional information
| Valve Size | 1" to 4" |
|---|---|
| Pressure Class Standard | ASME B16.34 |
| Pressure Class Range | Class 300 |
| Body | Two-Piece Body |
| End Connections | Integral Flange |
| Face-to-Face Standard | ANSI B16.10 Short Pattern |
| Bonnet | Body Integral |
| Packing | EPDM O-Ring |
| Configuration | Floating Ball |
| Trim | Reduced Port |
| Seating | Ceramic-to-Ceramic |
| Shut-Off Classification | ANSI FCI 70-2 Class V |
Features & Benefits
- With a flow path completely covered by ceramic, the NAF Duball DL Ceramic Valve is designed for the most abrasive control applications where other types of valves will soon be worn out
- Using the NAF Duball DL Ceramic Valve means minimizing expensive process outage and maximize the service lifetime
- The combination of a ball made of magnesia partially stabilized zirconia (Mg-PSZ) and sleeves in aluminium oxid (Al2O3) provides excellent hardness and strenght
- Typically used for lime mud control, control applications with titanium dioxide, metal slurries or any other slurry application
- Based on the NAF Duball DL concept with spring loaded stem seal packing and direct actuator mounting capabilities of the NAF Turnex actuator for a high performance, vibration resistant, compact valve package
Standards & Certifications
| Certifications | Canadian Registration Number (CRN) |
|---|---|
| PED Directive 97/23/EC | |
| Design Standards | ASME B16.5 – Pipe Flanges & Flanged Fittings |
| ASME B16.10 – Face to Face & End Dimenions of Valves | |
| ASME B16.34 – Valve Flanged, Threaded, and Welding End | |
| ASME SA Materials | |
| ASTM A Materials | |
| Quality | IS0 9001:2008 |
| ATEX QAN | |
| IECEX QAR |
