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FANS & BLOWERS |
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SYSTEMS |
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LITERATURE |
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![]() Rotron Trimline inverted blowers are compact, sturdy, quiet and relatively light in weight. They are designed for a long, maintenance-free life. Free delivery airflows range from 22 to 41 CFM. These designs generate static pressure up to 2.4 IWG. Inverted blowers have their driving motor located inside the squirrel cage wheel. This results in unusual compactness and excellent motor cooling. Such an arrangement is only feasible whenever the wheel diameter is large in proportion to the volume of air moved. This situation may be obtained in slow running blowers as well as in tight scroll squirrel cage blowers that have a high pressure-to-volume ratio performance. Models are available in a variety of Brushless DC and AC (50/60 or 400Hz) voltages.
![]() General
Physical envelope: 4.75” x 4.75” x 1.60”
Weight is approximately 1.40 lbs.
Suitable for operation in severe environmental conditions in ground, shipboard and airborne applications
Speeds range between 2,700 and 5,000 RPM
Airflows range from 21 to 41 CFM
Maximum Static Pressure: 2.4 IWG
Materials and Finishes
All aluminum components finished with a chemical conversion coating per MIL-C-5541, top coat of lusterless black enamel, color #37038, per Federal Standard 595 conforming to TT-E-489 Type B
Corrosion-resistant stainless steel shaft and hardware
Impeller runs on two high-precision, double-shielded, stainless steel ball bearings (ABEC Class 5) for a long, maintenance-free life
Motors have stator winding insulation which is rated for continuous duty for Class H
AC Powered Units
3-phase and 1-phase permanent-split capacitor motor designs
Fixed speeds (performance) based on input frequency
Meets or exceeds the requirements of MIL-B-23071 and other applicable U.S. military and commercial aerospace specifications
Max free delivery airflow of 21 at 50 Hz, 25 at 60 Hz, and 40 CFM at 400 Hz
Ambient temperature range: -54 °C to 125 °C
Acoustic levels as low as 51.1 dBA
DC Powered Units - E.C.D.C. ®
Brushless permanent magnet design (Electronically Commutated DC)
Speed (performance) fixed by input voltage
Meets or exceeds the requirements of MIL-B-28873 and other applicable U.S. military and commercial aerospace specifications 2
Max free delivery airflow of 41 CFM
Ambient temperature range: -54 °C to 100 °C
Acoustic levels as low as 51.1 dBA
Optional DC-AC Inverters and AC-DC Converters for AC Powered Models
BATAC® Inverter Driven Units
AC square wave fans driven from a DC power source through a BATAC® Inverter
Low cost alternative when multiple fans are used in a single application or area
Allows for greater than 100 VDC input voltage
DELTAC® Converter Driven Units
DELTAC® converters allow high frequency (typically 400 Hz) fans to be driven by variable frequency (typically 360-800 Hz) power or low frequency 50/60 Hz power to obtain the higher frequency performance
Options/Accessories
LSWD (Low Speed Warning Device)
FPS (Fan Performance Sensor)
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AMETEK Rotron has provided highly reliable fans and blowers to the military and aerospace markets since 1947. Through a broad range of product development experience, AMETEK Rotron has demonstrated its ability to design, develop, qualify and support cost effective, reliable products on aircraft and defense platforms worldwide. Our products are designed to meet specific environmental specifications (including shock and vibration, humidity, salt spray, temperature extremes, EMI, water resistance, etc). We have successfully qualified many products for use in Aerospace and Military applications, which meet, or exceed the imposed environment specifications.
With over 25 product families, a high degree of vertical integration and core competencies in the design and manufacture of aerodynamics, electromechanical assemblies, motor drives and liquid vapor cycle cooling systems, we offer the widest product range in the world, with thousands of P/N’s active and available today. At the same time, we specialize in working with our customers to create unique product configurations to address the specific cooling requirement – not only for the cooling capability, but space claim, weight, noise, power draw and system controls.
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