Founded in 1938, Acme Engineering and Manufacturing
Corporation is known worldwide as a leader in the
manufacture of fans, blowers, and ventilation equipment.
Acme’s growth over the past half century is a tribute to
superior quality, customer loyalty, and dedicated employees
and sales representatives.
Today, from its headquarters in Muskogee, Oklahoma, Acme
serves customers worldwide with high quality air movement
and control products.
Manufacturing
With approximately 350,000 square feet of manufacturing
space, Acme produces one of the broadest lines of air
moving equipment in the industry. State-of-the-art
manufacturing equipment and a well trained, experienced
workforce is the key to Acme’s timely delivery of
quality air moving products.
Engineering
The Acme Research and Engineering Center operates both
air and sound laboratories. The Center houses four wind
tunnels with a data acquisition system, a reverberant sound
room with the latest sound analyzer equipment, and a
structural laboratory for stress and vibration analysis.
Solid modeling, and finite element analysis support
product research and development. The Center also
houses a fully equipped prototype facility enabling Acme to
develop and introduce new products to the market in the
shortest time possible.
Sales & Service
A factory trained, knowledgeable sales organization
addresses the needs of many diverse and distinct
markets. Customers around the world are serviced by a
complete system of sales representatives, equipment
distributors and local dealers supported by nationwide
distribution centers and backed by a staff of sales and
marketing professionals.
Quality
A highly trained engineering and production staff set the
standard for dependable, quality air moving products. By
using the latest computer techniques for research and
design, and rigorous quality control standards Acme can
offer one of the best warranty programs in the industry. Our
exclusive 2/5 year limited warranty provides our customers
with confidence…Year After Year.
Mixed-Flow Fan
Model QBMX
Model QBMX fan is a belt drive, mixed-flow, inline exhauster
with the motor, drives and bearings located outside the
airstream. This design exceeds the efficiency of comparably
sized tubular centrifugal and vaneaxial fans, resulting in lower
motor horsepower requirements and lower operating costs.
CAPACITIES
up to 60,349 CFM
U.L. 705 Listed
up to 5" w.g. static pressure!
Construction Features
Housing
Heavy gauge, rolled steel construction and continuously
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welded to eliminate air leakage
Straightening vanes are welded to the housing to ensure
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maximum efficiency and strength
Standard coating is charcoal baked enamel
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Access Door
Bolted, over-sized access door with gasketing for servicing
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Mixed-Flow Wheel
Hybrid (centrifugal and axial) wheel
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Wheels are made of welded, high-strength steel
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Precision balanced for smooth, trouble-free operation
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Non-overloading design for high efficiency and minimal
Acme Engineering & Manufacturing Corporation certi
fies 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.
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Inlet
Streamlined inlet optimally matched to the impeller
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Bearings
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Lubricated unitary pillow block bearings with extended lube
lines
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Rated at L10life of 40,000 hours
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2 year limited warranty on unitary pillow block bearings
Shaft
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Corrosion resistant, coated steel shaft
Motor
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Continuous duty motors with sealed ball bearings
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Motors are located outside the airstream
Vibration Isolation
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Motors are isolated for extended life and quiet operation
Drive Assembly
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Cast iron drives sized for 150% of fan horsepower
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Static-free, oil, and heat resistant belts
Nameplate
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Permanently affixed manufacturer’s nameplate containing
the model number, serial number, CFM and static pressure
(inches w.g.) for future identification
Page 3
Options/Accessories
Disconnect Switch
Nema 3R
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Factory wired and externally mounted (except
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explosion proof motors)
Inlet and Outlet Companion Flanges
Heavy gauge, coated galvanized steel
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Factory mounted
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Inlet and Outlet Screens
Factory mounted, heavy gauge galvanized steel
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Weather Cover
• Enclosed, removable motor and belt guard
• Factory mounted
Drain
• 1.5” Drain and drain plug
Isolators
Hanging Spring
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Hanging Rubber
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Floor Spring
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Floor Rubber
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Optional Wheel Material
Aluminum wheel
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Spark Resistant Construction
AMCA B
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Shaft Seal
Factory mounted
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Stainless Steel Tag
• 4” x 2” with model, order number, and tag
information
Optional Coatings
• Acrylic Epoxy
• Decorative Coatings
• Heresite
• Insulmastic
• Special Coatings
Smoke Exhaust Option Pending Certification
The QBMX-SE mixed-flow inline smoke exhauster will combine
superior energy efficiency with emergency smoke management
technology. Under severe temperatures, the QBMX-SE is designed
to exhaust life-threatening smoke to provide extra evacuation time.
These power ventilators are intended for installation in buildings in
accordance with requirements contained in the Recommended
Practice for Smoke Control System, NFPA 92A; and are intended to
be connected to and controlled by Listed Smoke Control System
Equipment (UUKL).
Performance certified is for Installation Type B: Free inlet, ducted outlet.
Power rating (BHP) does not include transmission losses.
Performance ratings do not include the effects of appurtenances (accessories).
The A-weighted sound power ratings shown have been calculated per AMCA Standard 301.
Values shown are for (Inlet LwA) sound power levels for: Installation Type B: free inlet, ducted outlet.
Performance certified is for Installation Type B: Free inlet, ducted outlet.
Power rating (BHP) does not include transmission losses.
Performance ratings do not include the effects of appurtenances (accessories).
The A-weighted sound power ratings shown have been calculated per AMCA Standard 301.
Values shown are for (Inlet LwA) sound power levels for: Installation Type B: free inlet, ducted outlet.
Performance certified is for Installation Type B: Free inlet, ducted outlet.
Power rating (BHP) does not include transmission losses.
Performance ratings do not include the effects of appurtenances (accessories).
The A-weighted sound power ratings shown have been calculated per AMCA Standard 301.
Values shown are for (Inlet LwA) sound power levels for: Installation Type B: free inlet, ducted outlet.
Performance certified is for Installation Type B: Free inlet, ducted outlet.
Power rating (BHP) does not include transmission losses.
Performance ratings do not include the effects of appurtenances (accessories).
The A-weighted sound power ratings shown have been calculated per AMCA Standard 301.
Values shown are for (Inlet LwA) sound power levels for: Installation Type B: free inlet, ducted outlet.
Performance certified is for Installation Type B: Free inlet, ducted outlet.
Power rating (BHP) does not include transmission losses.
Performance ratings do not include the effects of appurtenances (accessories).
The A-weighted sound power ratings shown have been calculated per AMCA Standard 301.
Values shown are for (Inlet LwA) sound power levels for: Installation Type B: free inlet, ducted outlet.
Performance certified is for Installation Type B: Free inlet, ducted outlet.
Power rating (BHP) does not include transmission losses.
Performance ratings do not include the effects of appurtenances (accessories).
The A-weighted sound power ratings shown have been calculated per AMCA Standard 301.
Values shown are for (Inlet LwA) sound power levels for: Installation Type B: free inlet, ducted outlet.
LIMITED WARRANTY Acme Engineering and Man
ufacturing Corporation extends this limited warranty
to the original purchaser and warrants that products
described herein shall be free from original defects in
workmanship and materials for two years from date
of shipment (except for Acme’s exclusive duplex split
pillow block bearings and shaft 5 years from ship
ment, belts one year from shipment, and polyethyl
ene tubing at 90 days from shipping), provided
same have been properly handled, stored, installed,
serviced, maintained and operated. Refer to Form
MS149 for complete limited warranty terms and con
ditions. This form is available to anyone at
www .acmefan.com. The Company's warranty is in
lieu of all other warranties, express or implied, arising
by law or otherwise, including without limitation the
implied warranties of merchantability and fitness for
a particular purpose, which are hereby expressly dis
claimed claimed and waived.
provide reliable performance but they are not guar
anteed to be 100% free of defects. Even reliable
products will experience occasional failures and this
possibility should be recognized by the Purchaser
and End User. If these products are used in a life
support ventilation system where failure could result
in loss or injury, the Purchaser and End User should
provide adequate back-up ventilation, supplemen
tary natural ventilation or failure alarm system, or ac
knowledge willingness to accept the risk of such loss
or injury.
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WARNING DO NOT use in HAZARDOUS ENVI
RONMENTS where fan’s electrical system could
provide ignition to combustible or flammable materi
als unless unit is specifically built for hazardous envi
ronments. Comply with all local and national safety
codes including the National Electrical Code (NEC)
and National Fire Protection Act (NFPA). Guards
Member Air Movement and Control Association International, Inc.
must be installed when fan is within reach of person
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nel or within eight (8) feet (2.5 m) of working level or
when deemed advisable for safety.
DISCLAIMER The Company has made a diligent ef
fort to illustrate and describe the products in this liter
ature accurately; however, such illustrations and
descriptions are for the sole purpose of identification,
and do not express or imply a warranty that the prod
ucts are merchantable, or fit for a particular purpose.
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INDEMNITY Purchaser acknowledges various
warnings by the Company regarding the products
and its installation and use. If the Company incurs
any claims, lawsuits, settlements, or expenses (in
cluding attorney fees) for any loss, injury, death or
property damage including, but not limited to, claims
arising out of the Purchaser’s or any end user’s in
stallation or use of the products, the Purchaser shall
indemnify and hold the Company harmless.
ACME ENGINEERING &
MANUFACTURING CORP.
P.O. Box 978, Muskogee, Oklahoma 74402
Telephone: 918-682-7791Fax: 918-682-0134
www.acm efan.come-mail: acmefan@acmefan.com
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Hurricane and High Wind Products
Models are certified to all three Miami-Dade procedures for static loading
(TAS 202), missile impact (TAS 201) and cyclic loading (TAS 203).