Neles™ R-Series on-off Applications Ball Valve

Neles™ R-Series Segmented Ball Valve is designed for on-off applications, offering high capacity and the proven performance of Neles on-off valve seating technology. The new segmented ball valve combines a material-efficient control valve design with high capacity and reliable performance. Standard units come equipped with cylinder or manual actuators and intelligent on-off valve controllers, ensuring excellent and dependable isolating performance.

Benefits

excellent performance for high capacity isolating applications
light weight – easy to handle and mount
optimal choice for harsh environments
excellent reliability with low maintenance cost

Features

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 for harsh 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.

Applications

pulp & paper
petrochemicals
refining
chemicals

Specifications

body construction: flanged, flangeless
body pressure rating: pn 10 – 40 / asme class 150 – 300
face to face: according to iec 60534-3-2 / isa 75.08.02 or iec 60534-3-1
size range: dn 100 – 800 / 4″ – 32″
temperature range: -50 … +425 °c / -58 …+797 °f
tightness: iso 5208 rate d with metal seat. rate c with soft seat.
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