DBB Plug Valve Type 55


Main Features

  • Standard face to face dimensions for Class 900 (API 3000) and upwards allowing for easy retrofit
  • Space and weight saving true compact design
  • Primary seals: metal to metal
  • Secondary seals: lubricant
  • Double block and bleed
  • Two independent closing members
  • Blow-out proof stem with three unique seals
  • Protection against overpressure in internal cavities
  • Excellent flow characteristics
  • Fire safe tested (acc. to API 6FA and BS 6755
  • All standard sizes and pressure stages/classes
  • End connections as desired (Flange, Clamp, Welding ends etc...)
  • Broad selection of materials
  • 90° turning of the plug to open/close
  • Low operating torque
  • Direct or worm gear operation
  • Vertical or horizontal gear - operating stem
  • Can be installed in any position required
DBB Kükenhahn Typ 55