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Valve & Automation (Pty) Ltd

NAF-Duball Ball Valves

NAF-Duball Ball Valve

Design

  • Split Body Floating Ball

Features

  • Modular design
  • Spring loaded live loaded stem seal
  • Fire safe bi-directional tightness
  • Sturdy blow-out proof stem
  • Metal seats

Size Range

  • 25mm to 400mm 1” to 16”

Pressure Rating

  • ANSI 150 - 300

Temperatures

  • -30°C to 250°C

End Connections

  • Flanged

Body Materials

  • Carbon steel / Stainless Steel / Alloy steels / Special alloys Ball Materials

Seat Materials

  • R-PTFE / SS + Alloy 6 overlay

Options & accessories

  • Manual, pneumatic or electric actuators
  • Z-trim reduces cavitation and noise
  • Scraper, sealed, spring loaded or locked seats
  • Degreased for oxygen service
  • ATEX 94/9/EC certification

Applications

  • Isolation, on/off and control for chemical processing, synthetic fuels, hydrocarbons, oil & gas, refining and steam throughout the processing industry

 

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