Description

ATCO's UPC #077 is a UL 181 Class 1 Air Duct and is manufactured with a tri-directional scrim reinforced grey polyester jacket. The UPC #077 inner core is air-tight and is designed for low-to-medium operating pressures in HVAC systems.


Construction

A tough CPE polymeric film encapsulates a steel wire helix forms the air-tight inner core to ATCO's UPC #077. The inner core is wrapped in a thick blanket of fiberglass insulation and sheathed in a rugged and durable tri-directional scrim reinforced grey polyester jacket.


Applications

UPC #077 is designed for indoor use as a supply and return air duct in residential and commercial low-to-medium pressure heating and air conditioning systems. ATCO's UPC #077 can be used as a complete air duct system and/or a branch duct connecting to mixing boxes, diffusers, light troffers, room inlets or other terminal devices.


Code Compliance*

UL 181, UMC 10-1, SBCC, BOCA, NFPA 90A & 90B, HUD 515-2.1 (b), Cities of Chicago, New York & San Francisco, County of Dade (Florida), California State Fire Marshal.
*ATCO recommends that you check with the local code body having jurisdiction in your area to determine applicable codes.

Product Data

	Length: 25'
	Diameters: 4", 5", 6", 7", 8", 9", 10", 12", 14", 16", 18", 20"
	Vapor Barrier: Reinforced olyester
	End Treatment: 25' - plain ends
	Packaging: 1 piece per carton

Performance Data

	Rated Positive Pressure: 10" w.g. per UL-181 (UL Listed pressure ratings are determined in straight lengths @ ambient temperatures.)
	Recommended Operating Pressures (Determined in a 90° bend at elevated temperatures in accordance with ADC FD 72-R1 Test Code.)
	Maximum Positive: 6" w.g. - 4" thru 12" Dia. 4" w.g. - 14" thru 20" Dia. (With factory installed metal collars, 2" w.g. - all diameters)
	Maximum Negative: ¾" w.g. - all diameters
	Maximum Velocity: 5,000 FPM
	Vapor Transmission: .05 perms
	Maximum Operating Temperatures: -20° F to 140° F Continuous (@ maximum pressure) -20° F to 180° F Continuous (@ 2" pos. w.g. max.) -20° F to 250° F Intermittent (@ ½" pos. w.g. max.)
	R Value: 4.2 (In accordance with ADC flexible duct performance and installation standards (1991) using ASTM C-518 at installed wall thickness on flat insulation only.)
	Flame Spread: Less than 25
	Smoke Developed: Less than 50

Installation

Air duct connections and joints shall be made per installation instructions outlined by ATCO Rubber Products, Inc. and as required by the UL 181 listing procedure. (Installation instructions are included inside of each carton.)

Air Friction chart:

Please click here to view the air friction chart.

Warranty:

Atco warrants that all flexible ducts will be free from defects in material and workmanship for a period of five years from the date of purchase only if the ducts are installed in accordance with Atco's installation instructions and under conditions specified in Atco's performance data. The buyer's exclusive remedies for any defect in the flexible ducts shall be replacement or refund of the purchase price, at Atco's option.

ATCO MAKES NO OTHER WARRANTIES, EXPRESS, IMPLIED, STATUTORY OR OTHERWISE. IN PARTICULAR, ATCO MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ATCO SHALL HAVE NO LIABILITY TO THE BUYER OR ANY THIRD PARTY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND WHATSOEVER, INCLUDING, BUT NOT LIMITED TO, PERSONAL INJURY, PROPERTY DAMAGE, LOST PROFITS OR OTHER ECONOMIC INJURY DUE TO ANY DEFECT IN THE FLEXIBLE DUCTS. MATERIALS AND SPECIFICATIONS FOR THE FLEXIBLE DUCTS ARE SUBJECT TO CHANGE WITHOUT NOTICE.


For price and availability please contact: Sales