SPECIFICATIONS
Marguerite
2015-01-13T21:18:19+00:00
PLEASE SEE OUR PRODUCT SPECIFICATION SHEETS & FLEX INSTALLATION INSTRUCTIONS TO THE LEFT
R-Values are determined in accordance with ADC Flexible Duct Performance & Installation Standards as published in 1991 per ASTMC-518 at installed wall thickness in flat configuration.
Rated pressure: 10″ positive, 3/4″ W.G. negative per UL-181. Pressure rating is based on UL test procedure run at 2.5 times rated pressure (25″ W.G.) in straight lengths at room temperature independent of other conditions per UL-181 procedure. To ensure a margin of safety, Gray Flex recommends pressure not greater than 3″ water gauge positive when operating conditions of maximum velocity and temperature above 160 degrees may exist simultaneously.
Maximum velocity: 5500 FPM
Maximum Operating Temperatures: -20F to 250F
Moisture Vapor Transmission: (Jacket ONLY) .1 (max 3) perms per ASTMC-96A
Fire Safety Rating: UL-181 (Flame spread less than 25, smoke less than 50
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Acoustical Performance
Friction Loss
