ATS 150 Factory Mutual Report, 1971 Fire Safe and Corrosion Resistant
Duct and Pipe Systems
The World Leader since 1971, with 50 years of experience and testing PERFORMANCE.DELIVERY.SERVICE. ATS defines “Fire Safe” ducts are those having Factory Mutual FM 4922 Approval for Fume and Smoke Exhaust
in Cleanrooms without the need for internal fire protection sprinklers.
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