Bubble Tight
A bubble tight damper is a heavy duty damper designed to meet the requirement for zero leakage. Every bubble tight damper is factory leakage tested to ensure a bubble tight seal at 10 in. wg (2.5kPa) or 30 in. wg (7.5 kPa). This damper is recommended for two position shut off applications. Applications where bubble tight damper could be used:
* post office sorting rooms
* medical facilities
* food processing
* universities
* test laboratories
* government buildings.

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What's New
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Application Information
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Project Profiles
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General Information
Overview
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Model HBT
The HBT-221 is a heavy duty rectangular damper designed for isolation and decontamination applications. The damper has bubble tight leakage performance per AMCA 500-D up to 10 in. wg (2.5 kPa).
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Model HBTR
A bubble tight damper is a heavy duty damper designed to meet the requirement for zero leakage. Every bubble tight damper is factory leakage tested to ensure a bubble tight seal at 10 in. wg (2.5 kPa) or 30 in. wg (7.5 kPa). This damper is recommended for two position shut off applications.



