The Tyco DHM-4B (Part No. 517.050.051) is a 4-inch deckhead mounting box designed for Tyco fire detector bases installed in humid, damp, or environmentally challenging locations. It provides a sealed mounting arrangement that helps protect the detector base’s electrical connections from moisture and environmental exposure. The DHM-4B is particularly suited to marine and offshore fire detection installations and can be screwed, bolted, or welded to the deckhead.
Features
- 4-inch deckhead mounting design
- Provides sealed environmental protection for detector-base connections
- Suitable for humid and challenging environments
- Designed for marine and offshore applications
- Fits compatible 4-inch detector bases
- Four 20 mm cable/gland entries
- IP55 protection with supplied gasket
- Can be screwed, bolted, or welded to the deckhead
- Supplied with one terminal
- Compatible with Tyco 4B base arrangements
Typical Applications
- Marine fire detection systems
- Shipboard accommodation and service areas
- Engine rooms and machinery spaces
- Offshore platforms and installations
- Damp or humid industrial environments
- Fire detector installations exposed to condensation or moisture
- Tyco MX and compatible conventional fire detection systems
- Replacement and retrofit of existing deckhead mounting arrangements
