Products Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more. Dampers - Blast Dampers: Model:ICBL-20 ICBL-20 (Heavy Duty Blast Damper / Shock Tube Tested) APPLICATION The ICBL-20 is designed for protection against sudden blasts and instantaneous pressure changes. Can be flange mounted and constructed from various materials. ICBL-20 DOCUMENTS - Submittal Sheet - ICBL-20 CAD DETAILS - ICBL-20 (Arrangement 1) BIM (REVIT) - ICBL-20 (Arrangement 2) BIM (REVIT) UV Products Iris Dampers Drop Plenum Diffusers Balancing / Regulating Dampers Louvers Dampers UL Listed Dampers Roof Curbs and Rails Sunshades Architectural Grilles Ventilators Doors Actuators Fans Air Measuring Products VAV Terminals Security Bars & Grilles Plenums Duct Take-Offs Custom Work Manufacturer Cross Referencing System View Now Previous Next