De Terugslagklep is hittebestendig tot 90 ͦ C De behuizing uit verzinkt staal Behuizing uit Edelstaal 1.4541 (AISI/SAE 321) is tegen meerprijs leverbaar Lekkage: –    (outer tightness) Admissible leakage rate damper housing:  10 l / (h×m²) at 1 bar, 20°C and Δp = 2.000 Pa acc. DIN 25496 –    (inner tightness) Admissible leakage …

Pressure relief damper, type KL-E with control function The Pressure Relief Damper Type KL-E is a design variant provided with control function which, as soon as then opening pressure is exceeded, keeps nearly constant the pressure in the ductwork, independent of the range of volume flow. When the pressure in the ductwork reduces to its normal range …

The robust damper housing made from optional stainless or galvanized steel can contain up to seven lamellae. Non return dampers with more than one lamella additionally have crossbars made from U-profile, welded to the damper housing. These cross-bars are serving as fixing for the lamellae and as supporting surface for the sealing. The lamellae are made …

The pressure wave can reach in about 100 milliseconds a positive pressure of approx. 0.45 bar and their duration will take about 1 s. Pressure surge damper of sturdy design, dimensioned for shock waves up to 0.5 bar. The function remains unreduced after a shock wave. The pressure surge damper requires no accessory energy. Damper housing with connection …