Mechanical Supplies
Transfer silencers
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- Short, high-attenuation silencers designed to fit in a wall or door transfer opening, passing air between two spaces while blocking the sound that would otherwise travel with it. Lined bends and z-shaped paths give attenuation in a very short length.
- Fitted in transfer openings between hotel rooms and corridors, between offices and plenums, and around plant room and generator room ventilation openings. They solve the problem created by ceiling-void return: an unlined transfer path is a direct acoustic connection between two rooms that the partition was built to separate.
- ASTM E477 (Intertek tested)
- ASTM E90
- ASTM E413 (STC)
- ASTM E84
- EN ISO 7235
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