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Technical product specification for extruded aluminum gravity or actuator operated backdraft dampers for HVAC systems, defining construction, performance ratings, testing standards, installation requirements, and manufacturer data.
Division: 23 – Heating, Ventilation, and Air Conditioning (HVAC)
Section: 233313 (Previously 15820)
Product Name: Backdraft Dampers
Model: CB-600
Manufacturer: United Enertech
Manufacturer Address: 3005 South Hickory Street, Chattanooga, TN 37407
Standards Referenced: Air Movement and Control Association (AMCA 500-D, AMCA 511)
Applicable Systems: HVAC systems up to 2800 fpm (14.2 m/s)
Temperature Range: -40°F to 200°F (-40°C to 93°C)
Maximum Velocity: 2800 fpm (14.2 m/s)
Differential Pressure Rating: 3.0 in. wg. (0.74 kPa)
Leakage Rating: 8.7 cfm/ft² @ 1 in. wg.
Construction Material: Extruded aluminum frame and blades
Blade Operation: Gravity operated or actuator operated
Mounting Orientation: Vertical or horizontal (upblast or downblast)
Actuator Options: Electric 24VAC, 120VAC, 230VAC with open or closed fail position
Warranty Period: 5 years
Testing Requirements: Pressure drop and leakage ratings in accordance with AMCA 500-D
Quality Control: Factory cycled prior to shipment
Price: 8 / 10 USD
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Product Specification Guide Model CB-601 Backdraft Dampers Division 23 HVAC
Model: CB-601
Product Name: Backdraft Dampers
Division: 23 – Heating, Ventilation, and Air Conditioning (HVAC)
Section Number: 233313 (Previously 15820)
Type of Operation: Gravity operated or actuator operated
Manufacturer: United Enertech
Manufacturer Address: 3005 South Hickory Street, Chattanooga, TN 37407
Manufacturer Phone: (423) 698-7715
Standards Referenced: AMCA 500-D; AMCA 511
Maximum Velocity: 4000 fpm (20.4 m/s)
Temperature Range: -40°F to 200°F (-40°C to 93°C)
Differential Pressure Rating: 4.0 in. wg. (99.6 kPa)
Leakage Rating: 12 cfm/ft² @ 1 in. wg.
Frame Material: Extruded aluminum
Blade Material: Extruded aluminum
Seal Material: Extruded vinyl
Mounting Orientation: Vertical or horizontal
Warranty Period: 5 years
Factory Testing: Cycle tested for proper operation
Applicable Systems: HVAC duct systems
Related Sections: 233100 – HVAC Ducts and Casings; 230913.13 – Actuators and Operators
Product Specification Guide: Static Fire Dampers, Section 233313, Division 23 – HVAC
Model: FD-B Static Curtain Fire Dampers
Division: 23 – Heating, Ventilation, and Air Conditioning (HVAC)
Section Number: 233313 (Previously 15820)
Document Type: Product Specification Guide
Manufacturer: United Enertech
Manufacturer Address: 3005 South Hickory Street, Chattanooga, TN 37407
Applicable Standards: UL 555; NFPA 90A; NFPA 90B; NFPA 101; AMCA 500-D; AMCA 511; IBC; CSFM
Fire Rating Options: 1½ hours; 3 hours
Release Temperature Options: 165 ºF (74 ºC); 212 ºF (100 ºC)
Mounting Orientation: Vertical and/or Horizontal
Warranty Period: 5 years
Application: Static HVAC duct penetrations through fire-resistance-rated barriers
Execution Requirements: Examination, Installation, Handling, Delivery, Storage
Topics: CB-600 Backdraft 233313