✦ LIBER ✦
Low-pressure, gas-tight stem seal for back-up use
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 43 KB
- Volume
- 2006
- Category
- Article
- ISSN
- 1350-4789
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✦ Synopsis
This patent describes an isolation damper for use in air delivery trunking. The damper -which may be elliptical -is provided with a seal to provide an air-tight cutoff. It can be used to shut off airflow to prevent circulation of hazardous contaminants in clean environments.