Greenheck has introduced a round industrial control HVAC damper to accommodate higher velocities and pressure. Model HCDR-450 is rated for velocities up to 7000 fpm and pressure up to 30 in. wg, and ...
GRANDVIEW, Mo. — The new CD450 and CD450V control dampers from Ruskin ® are extruded aluminum models that use a 4-inch-wide frame design with finger-style jamb seals for a “light-tight” sealing effect ...
THIS column provides information about the use of outdoor air dampers in hot and humid climates and during hot and humid seasons in temperate climates in commercial buildings. Terms used in this ...
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