Measuring and Regulating Damper PRA, Halton

PRA is a cone-shaped iris damper and has manual adjustment with knob. The adjustment damper contains an adjustable cone and measuring socket for measuring the pressure difference in the air flow. The measuring damper housing and the cone-shaped iris blades are made of galvanized steel. The air flow calculation is based on measuring the pressure difference caused by the air flow over the damper cone. The adjustment damper is provided with an indicator and marking for the adjustment position which is used during cleaning. The installation direction of the damper must correspond to the air flow direction. The air flow direction is marked with an arrow on the housing. The height refers to the slider and is added to the diameter of the damper. The density class refers to the housing. Temperature range -30° C to +70° C