Pressure control valve 125 (Change Variant)

Steel pressure control value for internal walls. Consists of two sound insulation baffles fitted on either side of the wall and connected by means of the enclosed perforated wall sleeve, which ensures very good noise reduction. Can be fitted in wall thicknesses from 90 to 170 mm. Sound muffled air flow, ventilation through the wall. Replaces air damper by the door.