Acme Engineering HDD16 User Manual

Direct Drive Tubeaxial Fan

Model HDD

Model HDD fan is a direct drive, tubeaxial exhauster with the
motor in the airstream. Capacities up to 14,792 CFM and up to
3/4 inch static pressure. The compact design provides easy
installation with ducted ventilation systems. The HDD is
designed to operate in any position and is furnished with
mounting flanges on both ends for easy installation.

Construction Features

Housing

Constructed of heavy gauge rolled steel

•

Rolled flange at each end for ease of mounting

•

Standard charcoal baked enamal finish provides a tough

•

durable surface

Aluminum Propeller

Heavy duty, all welded aluminum construction

•

Precision balanced circular-arc blades for high

•

airflow capacity
Explosion proof switch separate when explosion

•

proof motors are selected

Disconnect Switch

All units are equipped with a factory wired disconnect switch

•

Motors

Continuous duty motors located in the airstream

•

Motors shipped mounted to the fan

•

Options/Accessories

Coatings

•

2 Speed Switch

•

Solid State Speed Controller

•

Companion Flange

•

• Mounting Base

•

Guard

Fan

Model

HDD12 14.56 14.00 12.22 13.44 35
HDD16 18.50 14.00 16.10 17.50 47
HDD18 21.00 16.00 18.48 19.88 54

For more information on this product contact your
Sales Support.

PERFORMANCE DATA

Fan

Model

HDD12E 1/4

HDD16F 1/3

HDD18G 1/2

HDD18H 3/4

HDD21J 1

HDD24J 1 1160 1.02 20 8555 8105 7613 6998
HDD30M 3 1160 3.06 29 14792 14208 13624 13036 12419 11681

Performance certified is for Installation Type A - Free Inlet, Free Outlet. The sound ratings shown are loudness values in hemispherical sones at 1.5 m (5ft) in a
hemispherical free field calculated per AMCA Standard 301. Values shown are for Installation Type A: Free inlet hemispherical sone levels. Performance r atings do
not include the effects of appurtenances (accessories).

HP RPM

1750 0.14 17.1 1627 1465 1182
1160 0.04 9.9 1079
1750 0.36 22 2763 2595 2388
1160 0.10 14.9 1832 1530
1750 0.52 25 3938 3724 3521 3323 3058
1160 0.14 14.1 2610 2299 1807
1750 0.80 29 4670 4436 4198 3947 3653
1160 0.21 16.7 3095 2738 2266
1750 1.10 27 6193 5970 5738 5489 5211 4891 4468
1160 0.33 14.3 4105 3760 3341 2167

Max.
BHP

Sones @

0.0"

.000" .125" .250" .375" .500" .625" .750"

HDD21 23.88 16.00 21.25 22.56 66
HDD24 26.88 18.00 24.44 25.75 76
HDD30 33.64 21.00 30.60 32.25 98

Dimensions are shown in inches.

CFM vs. Static Pressure

DIMENSIONS

ABCD

Est. Unit

Wt.

Inline Axial Fans

Acme Engineering & Manufacturing Corporation
certifies that the models shown herein are licensed to
bear the AMCA seal. The ratings shown are based on
tests and procedures performed in accordance with
AMCA Publication 211 and AMCA Publication 311 and
comply with the requirements of the AMCA Certified
Ratings Program.

Page 51

U.L. 705 Listed CSA Certified

Consult your Acme representative for availability.