Smoke hatch vent door release winch from Thern. Fire, smoke, heat vent doors are required in most theaters and multi-story structures. Currently, many fire vent doors are operated using hand winches or other types of equipment not specifically designed for this use. Testing and resetting fire vents is a difficult challenge, and are not done as often as they should be. The Fire Vent Closure Winch from Thern is a unique product specifically designed to solve these problems
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KEY BENEFITS:
Hassle free testing using the test arm, which releases the band brake on smoke hatch vent release winch and allows the smoke vent door to spring open without breaking the ETL (Electro Thermal Link). After testing the winch is easily operated to close and reset the fire vent.
Easy to install in convenient easy to reach locations at stage level, as specified or required by code. The winch can be mounted to a horizontal base or to the wall.
Innovative design provides holding tension through an adjustable band brake, connected to an ETL. In the event of a fire the ETL is broken and the brake is released, allowing the smoke hatch/vent door to open.
Reliable and secure operation with solid metal guards to protect key components and help protect against injury. The ETL access panel can be locked, securing the handle in the stored position. to prevent unauthorized operation.
KEY FEATURES
- Band brake adjusts for wear to provide adequate braking tension to seal and secure fire vents.
- Spring loaded ratchet provides positive load control for closing fire vents.
- Removable handle stores in frame compartment for security.
- Test arm provides convenient method for testing fire vent operation.
- Designed for use with standard ETL.
- Hinged access panel locks closed to prevent unauthorized operation.
- Spur gears are machine cut from solid steel for long lasting service.
- Dichromate black plated finish protects against corrosion.
- Bronze and radial ball bearings provide smooth and efficient operation.
- Solid steel gear covers & guard plates protect gears and help prevent injury.
- Large diameter drum minimizes wire rope wear.
- Designed for horizontal base or wall mounting.
- Two year limited warranty.
- ETL NOT included with winch.
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