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CÔNG TY TNHH KỸ THUẬT SVST

Neles™ R- series segmented ball valve for on-off applications

Liên hệ
r-series
RE-series
Neles
Còn hàng

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

  • Chia sẻ qua viber bài: Neles™ R- series segmented ball valve for on-off applications
  • Chia sẻ qua reddit bài:Neles™ R- series segmented ball valve for on-off applications

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 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.

Applications

  • Pulp & paper
  • Petrochemicals
  • Refining
  • Chemicals

Specifications

  
Body construction
Flanged
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 300 - 800 / 12" - 32"
Temperature range
-50 ... +425 °C / -58 ...+797 °F
Tightness
According to ANSI/FCI 70-2 class V (metal seat) and class VI (soft seat)

 

                                                                            

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