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High Pressure (HP) bypass valves

The HP-Bypass Valve Type DRE is a steam conditioning valve for steam throttling with very high pressure drop combined with in-body desuperheating through spraywater injection. Its prime areas of application are high pressure bypass systems for fossil-fired power plants with subcritical as well as supercritical steam conditions. With the range of available body materials, the Type DRE valve can be used for main steam pressures and temperatures of today's most advanced thermal power plants.

 

La valvola è progettata specificamente per il funzionamento ciclico dei sistemi di bypass. Essendo dotata di un attuatore idraulico e dei necessari dispositivi di sicurezza, la valvola può essere usata come una combinazione di bypass ad alta pressione e valvola di sicurezza del surriscaldatore in conformità a TRD 421.

  • Unique “wing-type” plug design.
  • Multi-function contoured cage.
  • Optimised arrangement of spraywater nozzles.
  • Compact, robust design.
  • Spherical valve body design.
  • Integrated desuperheating.
  • 1 metre straight pipe length after the valve.

Product Specifications

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