KTM Model Gratite Seat Hi-Temp

KTM Model Gratite Seat Hi-Temp

KTM Gratiteseat 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.

Any questions?

Anders Praem
Inside Sales Engineer
Phone. 2137 7759


Kenn Gerwien
Area Account Manager East
Phone. 2346 5513


Slawka Pedersen
Inside Sales Manager
Phone. 2137 7702


Certifications Fire Safe, CE, NACE, SIL capable, PED
End Connection Flanged
Application Cogeneration, Clean Steam, Refining, Reactors, HRSG, High Temp, Heating Equipment, Blower, Heater-Treater
Body Design Side Entry, Long Pattern
Material 316 Stainless Steel, Alloy, Carbon Steel
Pressure Class ASME
Process Connection Type CL600RF, CL300RF, CL150RF, 600RF, 300RF, 150RF
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
Media Steam, Mineral Oil, Fuel Oil, Air, Inert Gas, Air
  • 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

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