NRD
NON RETURN DAMPER, DESIGNED FOR USE IN INTAKE OR DISCHARGE AIR APPLICATIONS FOR DUCT MOUNTING INSTALLATIONS ONLY.
Category: GRAVITY LOUVERS AND NON RETURN DAMPERS
DESCRIPTION | NON RETURN DAMPER, DESIGNED FOR USE IN INTAKE OR DISCHARGE AIR APPLICATIONS FOR DUCT MOUNTING INSTALLATIONS ONLY. |
PATTERN | FREE MOVING ALUMINIUM BLADES IN HORIZONTAL SETTING OVERLAPPING EACH OTHER. |
CASING DESIGN | AVAILABLE IN THREE TYPES: FLANGED, SLIP & CLIP OR BOX TYPE. |
MATERIAL | FORMED 18 OR 20 GAUGE GALVANISED STEEL SHEET FOR CASING. EXTRUDED ALUMINIUM PROFILE OR ALUMINIUM FORMED SHEET IN 0.5 mm THICKNESS FOR BLADES. |
ACCESSORIES upon request | BLADES GASKET OR NEOPRENE SEAL FOR LOW LEAKAGE |
SIZES | AS PER REQUEST. |