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“Filltite®” Special seat ball valves for high temperature

Supports a maximum operating temperature of 300°C

“Filltite®” Special seat for ball valves with improved heat resistance and wear resistance by blending a high proportion of carbon-based filler material into PTFE, and has small permanent deformation even at high temperatures of 300°C, and exhibits excellent operability, durability, chemical resistance, and sealing properties. The ball valves equipped with the “Filltite®” Special seat is common in many parts to our conventional ball valves, realizing high cost performance.

“Filltite®” Special seat is a registered trademark of KITZ Corporation.

Features and Specifications

  • It can be used for high temperature fluids up to 300℃ and has excellent sealing properties. *1
  • Its excellent chemical resistance makes it suitable for a wide range of applications. *2
  • Permanent deformation is small even at high temperatures.
  • The flow direction can be used in both directions.
  • Low pressure loss due to full bore type.
  • Easy disassembly and assembly.
  • The fire-safe mechanism prevents excessive leakage in the event of a fire.
  • The operating torque is smaller than that of the metal ball.

*1 Oil-prohibited or water-prohibited products have seat allowable leakage equivalent to ANSI/FCI 70-2 Class-VI.
*2 Not suitable for high temperature and high concentration of strong acids or strong oxidants. Contact SMC for details. Avoid use with toxic or flammable gases.

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