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Atomac Lined Ball Valve
·Ball Valve

Atomac Lined Ball Valve

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Flowserve Atomac is the world's leading line of corrosion-resistant fluoropolymer-lined ball valves. AKH3 Standard Port, AKH2/AKH2A Full Port, AMP3 three-way, and AKH5 ceramic-lined variants deliver bubble-tight shutoff, no-leak stem seals, and blowout-proof stem assemblies across demanding corrosive, chlorine, and abrasive services.

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Key Benefits
  • 01Bubble-tight shutoff with positive PTFE chevron stem seals
  • 02Anti-blowout stem assembly prevents stem blowout even on top-works disassembly
  • 03Thick FEP/PFA liner 100% inspected at 20,000 VDC for defect-free service life
  • 04ISO 5211 universal mounting pad — in-line actuation and automation
  • 05Wide material and size range covers corrosive, abrasive, chlorine, and cryogenic service
Technical Features
  • 01AKH3 Standard Port and AKH2/AKH2A Full Port ball valve configurations
  • 02AMP3 3-way lined ball valve for diverter duty, 25–80 mm (1–3 in)
  • 03AKH5 ceramic (Mg-PSZ) lined variant for abrasive slurries and high-temperature corrosives
  • 04FEP lining to 150 °C (300 °F) or PFA lining to 200 °C (400 °F)
  • 05Pressure rating: full vacuum to 275 psi (19 bar)
  • 06Sizes through 12 in (300 mm) for standard port and full port valves
  • 07Ductile iron body (ASTM A395 60-40-18) with high-strength B7 or B8 fasteners
  • 08ASME B16.5 Class 150 / DIN 2501 PN16 flange dimensions
  • 09ASME B16.10 face-to-face dimensions
  • 10Leak testing per API 598 or DIN 3230
  • 11Graphite bearing prevents side loading and extends seal life
  • 12Cavity space minimized to reduce process media retention
  • 13Optional extended packing with live loading (TA Luft certified)
  • 14Characterized ball option for throttling/control applications
  • 15Stem extensions for insulated services
  • 16Chlorine service per Durco cleaning procedure available
  • 17C-ball option eliminates media build-up in ball cavity
  • 18Lockout standard on AKH3
Applications
  • Highly corrosive chemical and acid services
  • Chlorine and halogen service
  • Abrasive slurry handling (AKH5 ceramic)
  • High-temperature corrosive media
  • Corrosive 3-way diverter applications (AMP3)
  • Fugitive emissions control (extended packing option)
  • Pulp and paper, chemical, pharmaceutical, and specialty fluoropolymer services
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