HVAC duct construction standards for single
& dual path systems!
The second edition of the HVAC Duct Construction Standards-Metal and
Flexible is primarily for commercial and institutional projects and
contains first time ratings for the TDF and the TDC connectors. The
data have been standardized on "minimum" thickness rather than "nominal"
thickness of sheet metal - a major change. The new construction standards
contain re-rated rectangular, round, oval and flexible duct constructions
for positive or negative pressures up to 10 inches water gage (2500
Pa). Widths go to 120" in gages 26 to 16. Diameters go to 84" in gages
28 to 16. New performance requirements facilitate equivalent ratings
for non-illustrated construction. The data have been reorganized for
easy use and reference; includes metrics. Other revisions occur in
duct liner, hangers, fittings, vanes, dampers, tie rods and tests.
Lead shielding has been added. Seal classes, casings, louvers, rooftop
vents, sheet gage tolerances and accessories are retained. 276 pp.
Contents include:
Symbols
Fittings
Duct Systems Design
Duct Construction and Installation Standards
Duct Sealing
Round, Oval, and Flexible Duct, and much more
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