special size Duct Damper

Product Namespecial size Duct Damper
MaterialPlastic,ABS,PVC or other material
ColorWhite or custom color
StandardChina standard
SizeCustomized
MOQ10
PackagingStandard packaging
Delivery30day
  • Duct Dampers | McMaster

    In the event of a fire, these dampers automatically stop airflow through duct. They have a fusible link that melts at 165° F, releasing a spring and causing the blades to close. Dampers meet UL 555 fire safety standards to help prevent the spread of fire for 1 ½ hours. They are undersized to fit inside duct.

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  • LLOYD INDUSTRIES INC.

    5. Duct diameters greater than 22 inches and up shall have 5 sheet metal screws evenly spaced around the circumference of the duct. 6. Dampers outside of these restrictions (i.e.) multiple damper and special size and application dampers must use a 4” wide drawband connection as shown in the SMACNA Fire,

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  • INSTALLATION INSTRUCTIONS FOR FIRE DAMPERS

    When the duct work terminates at the damper, retaining angles on the opposite side of the opening may be reversed providing the size of the opening is increased by. an amount equal to twice the combined thickness of the angle and the height of the screw or bolthead to maintain expansion clearance. (See

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  • PVC Duct Actuated Butterfly Dampers

    PVC Duct Actuated Butterfly Dampers Showing 16 Item(s) View 12 24 36 Sort by Price Size

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  • Retrozone RECTANGULAR MECHANICAL DAMPERS

    become feasible even when you need 10 or 20 dampers in a duct system. Fast Track Service: most dampers, including "option 1" on odd sizes, ship. within 48 hours. Steps to ordering: Rectangular 2 wire Dampers: 1. Size: Choose any size above; Standard sizes shown ship in 48 hours. All dampers are slightly undersized 1/8 inch in both dimensions to

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  • HVAC Ducting Dampers & Zoning Dampers | Gateway Supply Co

    Available: 32 ea Add to Cart. Sheet Metal Duct Damper. RX3212 12" DAMPER (2 BEARINGS) #44. Call for price. Available: 232 ea. Air Zone Control Damper. RDM10 10" AUTOMATIC ROUND ZONE DAMPER 3-WIRE. Qty. Price: $224.58 / ea.

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  • Price List

    Spiral Duct Page 7 Circular Fittings Page 8-14 Suspension & Split Rings Page 9 Single Blade Dampers Page 10 Special Branch Fittings Page 15 Circular Flange System Page 16 Section 2 - Spiral Duct & Circular Duct Fittings - Group SPI & CDF Circular Spigotted Cross Talk Attenuators Page 27

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  • 20 HVAC Damper Standoff Handle

    Damper Sleeves are made from Galvanized Steel and have a 1 ½" Stand-Off Damper Handle to raise it above any fiberglass insulation. Duct Installation Tips & Tricks — To install Damper Sleeves, you simply slide the sleeve into the item you are attaching to and fasted with sheet metal screws and conceal seam with duct tape.

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  • Duct and Bypass Design Guidance

    If necessary, modify the existing duct and/or install new duct that has been sized at a friction rate that will accommodate higher Cfm values at OEM specified static pressures and industry standard velocities. (Use ACCA Manual D to size your duct-work or use a duct calculator and select .07 friction rate value instead of the typical .10). 4.

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  • PVC Duct Actuated Butterfly Dampers

    PVC Duct Actuated Butterfly Dampers Showing 16 Item(s) View 12 24 36 Sort by Price Size

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  • Industrial Dampers | Air Systems | Butterfly Dampers

    Multiple panel construction and special reinforcement allow larger sizes as an option. • FRP Opposed and Parallel Blade Volume Control Dampers up to max face velocity of 6000 FPM and max differential pressure of 20 “ WG. Size is predicated on design static pressure.

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  • Volume Control Motorized Zone Dampers For Duct , Zone

    The range is suitable for flanged or spigoted connection within square, rectangular, circular or flat oval duct systems. Adjustable manually or electrically, the range comprises control dampers and low-leakage dampers. Specifications. Size: 100mm, 150mm, 160mm, 200mm, 250mm

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  • HVAC Ductwork | McMaster

    In the event of a fire, these dampers automatically stop airflow through duct. Furnace Draft Dampers Also known as barometric dampers, these dampers improve furnace performance by automatically opening and closing to maintain consistent airflow despite changing environmental conditions.

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  • Rectangular dampers | Alnor

    Rectangular multi-blade dampers. The DSQW rectangular multi-blade dampers can be used to control. and isolate air flow in square ductwork. The dampers can be. installed in ventilation ducts, as wall-mounted air flow regulators, or AHU air flow regulating and shutoff units. All dampers have a housing made of 4 galvanized steel sheet profiles.

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  • R Ceiling Radiation Dampers for wood construction

    damper that can be used as supply/return air plenum to connect to AHU unit below the ceiling assembly. appliCaTion CFD7 is the first Ceiling Radiation Damper to be UL listed for steel joist assemblies (L524). appliCaTion CFD7 is the first Ceiling Radiation Damper to be UL listed for 2” x10” or 2” x 12” wood joist assemblies (Ref. L501).

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  • Volume Damper – Duct Asia Engineering Co., Ltd.

    Specification. Motor control volume damper. Made of 0.8-1.0 mm galvanised iron. Frame shaped for 3.4 cm height x 20 cm depth. One piece blade with ½” blade core for extra strength. Extra firm and thick corner locks. Motor available in 12V, 24V and 220V. Custom made size available from 6”. Previous.

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  • INSTALLATION INSTRUCTIONS 1 HOUR UL CLASSIFIED CURTAIN

    damper/sleeve assembly to permit installation or expansion. For two angle installations the opening shall be a minimum of 1/8" per foot (3 per 305) larger than the overall size of the damper/sleeve assembly. The 4maximum opening size shall not exceed 1/8" per foot (3 per 305) 1plus 2" (51), nor shall the opening be less than /4"

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  • Fire & Leakage Rated Dampers

    Minimum size A 100 (Duct) x B 140 (Duct). Maximum size A 1136 (Duct) x B 1014 (Duct), (Single Section). Model IBD-FS-CR Interlocking blade, vertical (wall) mounting damper, gravity operated, fitted with enclosure plates and round spigots to suit duct connections. Minimum size B 150 (Duct Diameter). Maximum size B 1014 (Duct Diameter), (Single

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  • Duct Sizing

    (Use ACCA Manual D to size your duct-work or use a duct calculator and select .07 friction rate instead of the typical .10). If possible, install Dampers in the Branch Runs, rather than Duct Trunks. Now you can select which branch runs to damper and which runs to leave alone (Open Runs).

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  • ZoningSupply.com

    A zoning system can typically use the same duct sizing as a traditional single-thermostat system. It is important to properly size and install a pressure relief damper as well as properly balance the zones. To minimize bypass air flow, increase the duct capacity by one size for each zone less than 25% of the total system air flow capacity.

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  • CURTAIN FIRE DAMPERS

    This unique product utilizes specialto suit duct size. Model Series 01X4V/H includes an integral sleeve to make jobsite installation fast and easy. H Wrequire a horizontal mount fire damper (duct runs vertically). Horizontal mount fire dampers utilize springs to pull the blades closed.

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Boda Aluminum Products Co.,LTD

Address: Jingjiang, Taizhou City
Jiangsu Province, China
Zip code - 214500
Telephone: +86 18262317598
E-mail: [email protected]