Acoustic Rated Door Grilles
Dg1700 light proof door relief grille uddg under door relief bar grille ldo t acoustic transfer air device.
Acoustic rated door grilles. Providing free airflow at ambient conditions. Micro acoustic material sits within the internal cavity thus providing effective sound reduction. The avg acoustic ventilation grille consists of two parts one for each side of the opening. The dgac door transfer acoustic grilles are suitable for use in doors and partitions where ventilation and a reduction in noise transfer or cross talk from one area to another is required.
Product description dgac the dgac door transfer acoustic grilles are suitable for use in doors and partitions where ventilation and a reduction in noise transfer or cross talk from one area to another is required. During a fire the system is designed to close and provide a fire barrier to restrict the. Two versions with single flange or dual telescopic flange system for up to 110mm thickness. The dgac grilles are manufactured from aluminium alloy extrusion frames and channel section cores that are inner and overlapped forming an.
When exposed to elevated temperatures the intumescent material in the slats expands to create a physical barrier to fire and hot smoke. Available in a range of sizes and finishes. Pyroplex limited offers a comprehensive range of fire rated air transfer grille systems that are suitable for use in fire resisting doorsets and compartment walls for up to 60 minutes fire resistance in normal use the pyroplex system allows air to be circulated and moved throughout the building.