Pressure relief damper

layer

ARK2

Pressure relief dampers for gas fire extinguishing systems and transformer substations

  • Air leakage with back pressure to EN 1751, class 4
  • Maximum differential pressure: 5000 Pa
  • The differential pressure can be adjusted from 50 – 1000 Pa (B > 600 mm: 600 Pa max.)
  • Blades made of aluminium, casing made of galvanised steel
  • Blades open when the maximum differential pressure is exceeded and close automatically when the pressure drops
  • Blade locking with permanent magnet
  • Robust, maintenance-free construction
  • Available in standard sizes and many intermediate sizes
  • Operating temperature 0 to 80 °C

 

Optional equipment and accessories

  • Installation subframe
  • Powder coating (RAL or DB)
  • Stainless steel construction with stainless steel casing; blades made of aluminium

 

 

 


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