20" CPVC Butterfly Damper

Item #: 35623

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These corrosion-proof 20" CPVC Butterfly Dampers are for the construction of exhaust ventilation systems. CPVC material compounds used in the manufacture of these duct fittings conform to Type VI, Grade 1 CPVC, Cell Class 23447 as described in ASTM D-1784. All internal parts are CPVC including the body, damper plate, and shaft. Locking hardware is stainless steel. Butterfly (balancing) dampers are furnished with a locking quadrant, to permanently position. Damper allows for less than 5% air flow restriction when open and offer an approximate 95% seal when closed. These dampers can be installed either vertically or horizontally. 20" damper is 19.75" long with a 3" socket depth and .25" thick damper plate. Maximum service temperature is 200°F. NOTES: Fittings are triple bead welded. Pictures are to represent style of fittings only; actual color is light gray.

    Item Information

    Item Number: 35623
    Catalog Page Number: Internet Only
    Manufacturer: Harrison
    Manufacturer Part #: 1834-BD-20
    Country of Origin: USA

    Tech Specs

    Weight: 20 lbs

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