NRD
NON RETURN DAMPER, DESIGNED FOR USE IN INTAKE OR DISCHARGE AIR APPLICATIONS FOR DUCT MOUNTING INSTALLATIONS ONLY.
| 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. |
