TAV-D Dry System Air Vent
Designed for use with NG-1 Nitrogen Generators
| System Type | Dry, Preaction |
| Product Type | Oxygen Removal Vent |
Automatic Oxygen and Nitrogen Venting
The Tyco® TAV-D Dry System Air Vent provides oxygen venting in dry pipe fire sprinkler systems. As a fire sprinkler system is filled with a continuous supply of nitrogen gas from the Tyco® Model NG-1 Nitrogen Generator, the air vent allows oxygen-rich gas to be vented from the fire sprinkler system.
Over a short period of time, the TAV-D will almost completely remove oxygen from the fire sprinkler system (< 2% oxygen). The vent is also installed to provide source gas when used in conjunction with the Tyco® TSGA SMART Gas Analyzer.
There are two Tyco® air vent models available — the TAV-D and also the TSV-D. Both units operate as described above, but the TSV-D model includes an electronic solenoid valve wired to a control panel that automatically closes the vent once the desired nitrogen concentration is reached.
Features
- Can be installed directly on system risers
- Nitrogen gas sampling port for use with THGA or TSGA Gas Analyzers
- Automatic float shut-off in the event of a system trip
- Must be manually closed after a 14-day nitrogen fill-and-purge process
- Includes a failsafe back-pressure regulator
- Support hanger not required
Benefits
Reduce Corrosion
Nitrogen replaces corrosion-causing oxygen.
Extend Useful Life
Reducing corrosion can extend the service life of a fire sprinkler system.
Minimize Business Interruption
System leaks due to corrosion can lead to costly downtime, and reducing corrosion helps keep systems healthy and operational.
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