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Model Gratite Seat Hi-Temp

Brand: KTM

KTM Gratite seat ball valve operates across an impressive range of temperatures, boasts outstanding performance and a reliability, making it ideal for high pressure, anti-corrosion and other key process lines.
Features
  • Hard graphite with excellent self-lubrication and anti-corrosion properties is adopted to the seat and flexible graphite to the cushion seal.
  • Hard graphite seats and the graphite packing ensure a wide operating temperature range from -29°C to 500°C.
  • Gratite offers superior cost effectiveness in comparison to the metal seated valves.
  • High resistance to thermal shock prevents the cracking caused by thermal shock seen in ceramics.
  • With high conductivity, Gratite® has an anti‑static function.
  • Blowout-proof stem (ASME Class 600 optional).
  • A two-piece body construction makes maintenance easier.
  • The product features a fire safe design.
  • Easy actuator mounting.
  • It can be used for both flow directions (ASME Class 600, DN50 to DN100 is unidirectional flow).
  • Gratite boasts outstanding sealing characteristics.

Specifications

Brand

Approvals & Certifications

  • Fire Safe, CE, NACE, SIL Capable, PED

Body Design

  • Side Entry, Long Pattern

End Connection

  • Flanged

Material

  • 316 Stainless Steel, Alloy, Carbon Steel

Media

  • Steam, Mineral Oil, Fuel Oil, Air, Inert Gas, Air

Pressure Class

  • ASME

Process Connection Type

  • CL600 RF, Class 300 RF, Class 150 RF, 600 RF, 300 RF, 150 RF

Seat / Seal Type

  • Ball

Shutoff Class

  • API 598, Class VI (FCI 70-2), Zero Leakage

Standards

  • ASME B16.34, API 608

Valve Size

  • NPS 1 / DN 25, NPS 1/2 / DN 15, NPS 1-1/2 / DN 40, NPS 2 / DN 50, NPS 2-1/2 / DN 65, NPS 3/4 / DN 20, NPS 3 / DN 80, NPS 4 / DN 100

Valve Size Standard

  • DN, NPS

Valve Type

  • Ball, Ball Valve, Floating Ball Valve

  • Cogeneration
  • Clean Steam
  • Refining
  • Reactors
  • HRSG
  • High Temp
  • Heating Equipment
  • Blower
  • Heater-Treater
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