Dampers SPRD – Static Pressure Regulating ZONEFIRST
This barametric by-pass damper is a single blade, counter balanced weighted damper that operates on air pressure in order to control the flow of by-pass air. The SPRD has an adjustable arm and weight to maintain the correct amount of pressure in the duct system.
Sizes: 12×8, 12×10, 12×12, 20×8, 20×10, 20×12 (custom sizes available)
Order as: SPRDwwhh