N.R. Murphy Ltd.

N.R. Murphy Ltd.

Abort Damper


The Murphy abort damper, when installed in the cleaned air stream of a filtering system, is an instant aborting device which expels the air to atmosphere when activated by a properly installed spark or fire detection system.

Fires and explosions can occur at any time, especially in the woodworking or paper industries or wherever combustible materials are being conveyed pneumatically. The Murphy abort damper, fabricated from heavy gauge reinforced steel, was designed to give all possible protection for the safety of all employees and the manufacturing facilities.

These units are recommended by NFPA Code 664 (8-4) when recycling filtered air from a wood refuse exhaust system.

The abort damper can be activated in summer to allow the cleaned return air (unless air conditioning is a factor), to exhaust to atmosphere when windows and doors can remain open.

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