12" ROUND STATIC DAMPER

SKUSPRD12

This product has been superseded by

SKUSPRD12

Description

Single-blade, steel barometric damper used to bypass excess air when majority of zone dampers are closed.
Counter-balanced weighted arm to control bypass air for zoned systems
Air pressure in duct system increases as zone dampers close, pushing the SPRD open automatically
Arm and weight both adjustable to control amount of air bypassed
Recommended for low pressure systems with less than 0.5 in. wc
For larger systems and tighter pressure control, use MARD damper and static pressure controller (SPC)
Additional weights available

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