Pressure relief air damper ARK2

rectangular

FOR THE PREVENTION OF EXCESS PRESSURE IN ROOMS 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 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