Acme Engineering LQV21 User Manual

Gravity Relief/Supply Vent

Model LQV

Model LQV is a gravity relief/supply vent. The low silhouette
of the LQV harmonizes with modern architectural design.

Construction Features

Hood, orifice and curbcap constructed of heavy gauge

•

aluminum
Removable hood

•

Large streamlined orifice permits efficient, less turbulent

•

airflow
Birdscreen constructed of heavy gauge galvanized steel wire

•

mesh
Can be converted to power roof ventilator by adding fan unit

•

except for sizes 42" and 48"

Options/Accessories

Prefabricated Curbs

•

Dampers

•

Coatings

•

Insect Screen

•

DIMENSIONS

Model A B C E

LQV10 22.00 6.61 18.63 2.36 10.50 .60 14 C20.5
LQV12 24.00 6.74 21.00 2.49 12.13 .80 18 C22.5
LQV14 26.00 8.10 24.00 3.35 14.00 1.07 20 C24.5
LQV16 28.00 9.83 27.63 4.58 16.00 1.40 25 C26.5
LQV18 31.00 10.76 31.60 5.01 18.50 1.84 35 C29.5
LQV21 34.00 12.09 36.72 5.47 21.13 2.43 71 C32.5
LQV24 38.00 13.70 41.38 5.20 24.38 3.24 100 C36.5
LQV30 46.00 15.89 52.13 6.89 30.50 5.07 159 C44.5
LQV36 52.50 18.67 61.19 9.67 36.50 7.27 203 C51.0
LQV42 54.00 25.50 82.12 13.14 42.00 9.70 300 C52.5
LQV48 60.00 29.00 82.12 16.72 48.00 12.60 337 C58.5

Dimensions are shown in inches.
Weights are shown in pounds.

Throat

Dia. Area

Est.

Ship

Wt.

Curb

Model

Roof Vents

PERFORMANCE DATA

Model

LQV10 360 515 630 725 810
LQV12 480 675 830 955 1070
LQV14 630 890 1090 1260 1410
LQV16 830 1175 1440 1665 1860
LQV18 1095 1555 1900 2195 2455
LQV21 1450 2050 2510 2900 3240
LQV24 1910 2705 3315 3825 4280
LQV30 2955 4180 5120 5910 6610
LQV36 4300 6080 7450 8600 9620
LQV42 5860 8250 10200 11750 13150
LQV48 7710 10770 13350 15350 17300

.05" .10" .15" .20" .25"

CFM vs. Static Pressure

For more information on this product contact your sales support.

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