Carbotite seats and ball valves for high temperatures

Hard Graphite seated ball valve has developed for ball seats, which have been known that it is capable of withstanding a maximum operating temperature of 500°C.

Specifications

Base body 2-piece flange type
Wall thickness ASME B16.34 Class 150
Face to face ASME B16.10 Class 150
Pipe connection JIS B2220 10K/20K ASME B16.5 Class 150/300

Features

  • Can be used at high temperatures up to 500°C. *
  • The flow direction can be used in both directions.
  • Since carbon is a good conductor of electricity, an antistatic mechanism is not required.
  • Low pressure loss. (Full bore type)
  • Side entry type makes disassembly and maintenance easy.
  • Even in the event of a fire, the sheet will not be destroyed by fire, so it essentially has a fire-safe mechanism.


* The maximum operating temperature for oxidizing fluids is 450°C.

Allowable sheet leakage

  • Valve with water pressure leakage “0” performance.
    Gas pressure (air or nitrogen gas)*
    * Permissible leakage is specified for ANSI/FCI 70-2 class-VI.
  • High pressure gas certified product or when inspection pressure is specified
    seat leakage (ml/min) = 21.75 × bore size (inch) × differential pressure (MPa)
    Test fluid: Air

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