KOM U series

KOM U series

KOM U round back valve is especially designed to prevent backdraft.

Description

KOM U round back valve is especially designed to prevent backdraft. The spring loaded backdraft damper is manufactured of steel with polymeric coating or galvanized steel and contains rubber seal. KOM U back valve is installed in ventilation systems and ventilation ducts. It also prevents the entry of birds and other wildlife.

Model ØD L
KOM U 100 37/8" 31/8"
KOM U 125 47/8" 315/16"
KOM U 150 57/8" 41/2"
KOM U 200 713/16" 511/16"
KOM U 250 913/16" 61/2"
KOM U 315 123/8" 71/2"

Diagramms of Pressure loss

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