Frame and blades are 6063 extruded aluminum alloy with 200-R1
satin anodized finish. The frame has a typical wall thickness of
.050". At the outer edge of the frame is a specially engineered
channel which retains an extruded flexible vinyl gasket that
provides a positive air seal.
Series AVP, square or rectangular, is manufactured in 3"
increments with removable core also available as combination
supply-return for use with roof-top units.
Series JS, square only, has a fixed core.
An optional mill finish extruded aluminum opposed blade damper
mounts through a series of spring clips, and is lever operated
from the face of the unit. The damper frame is separated from the
blades with nylon bushings. Other accessories include aluminum
equalizing grid or combination grid and straightener with
individually adjustable air foil blades separated from the frame
with nylon bushings. Steel square-to-round adaptors are also
Available in clear anodized, white or a variety of custom
Round Ceiling Diffusers
Series RD round ceiling with removable core - all
aluminum construction. An optional round opposed blade damper is
Perforated Ceiling Diffuser
An extruded aluminum outer frame retaining the removable
aluminum perforated face with 3/16" diameter holes on 1/4"
staggered centers. A series of spring clips that are totally
concealed retain the face. Four individual field-adjustable
pattern controllers rotate for every conceivable air pattern
requirement. Units with 12" and smaller faces have a disc pattern
controller. All internal portions of the diffuser are
non-reflective. A galvanized steel back is utilized with either a
spun round neck or a square neck riveted to it.