ADHP3 High Pressure Spring Loaded Access Door

The ADHP-3 High Pressure Access Door is designed to provide convenient access to high pressure ducts for inspection and resetting fire dampers. It features:

• Galvanized steel construction.
• Helps protect against collapsing of ductwork due to accidental closing of fire dampers during system operations.
• Spring latches that allow ADHP to relieve negative direct pressures and automatically return to seal position

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