Neles™ R- series segmented ball valve for on-off applications
High capacity and proven performance of Neles on-off valve seating technology
New Neles segmented ball valve for on-off applications combines the material efficient control valve design with the high capacity and proven performance of Neles on-off valve seating technology. Standard units are equipped with cylinder or manual actuators and intelligent on-off valve controllers to ensure excellent and reliable isolating performance
High, long lasting tightness
Trouble free operation even
in most demanding
applications like abrasive,
solids containing fluids and
slurries
Wide material selection for
application specific needs
Low emissions, live loaded
graphite packing
Specially designed and tested reliable on-off seat
- Metal seated construction developed with years of experience
- Ball to seat contact with materials and coatings maximizing the lifetime
- Suitable also for fibrous flow medias
- ISO 5208 RATE D tightness by standard metal seated construction
- Soft seated constructions available for applications requiring extreme tightness
High operational efficiency
- High capacity with v-port On-off design
- Low friction on ball-seat connection enables selection of smaller actuators
- Material efficient valve body construction to assure competetiviness
Materials specially developed forharsh environments
- Corrosion resistance with special materials CG8M, Titanium, Hastelloy C 254 SMO, Super Duplex
- Metal and soft seated constructions
- Ceramic coatings available for metal seated valves for corrosive environments
Safety and environment
- Rotary operation minimizes fugitive emissions.
- Fire-safe design available with metals seats and graphite packing.
| Body construction | Flanged, trunnion mounted & seat supported, full & reduced bore ball valve |
| Body pressure rating | DN 150 – 300 / NPS 6” – 12” series XH, ASME Class 600 |
| Face to face | DN 50 – 600 / NPS 2” – 24” series XH, ASME Class 900 |
| Size range | DN 15 – 200 / NPS 1/2” – 6”, series XS |
| Temperature range | ASME B16.10 |
| Tightness | ASME 600 & 900 |
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