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| Articles by Oleg Chechel |
1. Commercial Ventilator, Fan and Blowers
October 24, 2013
With few exceptions, the axial blower or fan must not have a lot of back pressure and will work a lot better if the blade is shrouded. One obvious exception is the turbine compressor used in jet engines, but this requires very tight fittings and very high speed so the air is being rammed in against...
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2. Centrifugal Fan and Axial Ventilators
October 23, 2013
Airfoil Centrifugal Fans are used for airstreams where high efficiency and quiet operation are required. They are used extensively for continuous service at ambient and elevated temperatures in forced and induced draft applications in the metals, chemical, power generation, paper, rock products, gla...
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3. Centrifugal Blowers from Fans Mall Co
October 17, 2013
A centrifugal blower has a number of blades mounted around the hub, which turns on a shaft that passes through the housing. The gas enters the side of the fan wheel and by use of centrifugal force (hence the name) accelerates over the fan blades. A centrifugal blower is usually used in factories or ...
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4. Industrial Blowers and Fans from Fans Mall
October 17, 2013
Fans and ventilators are classified into propeller, tube axial and vane axial styles, and each type has different characteristics. Propeller fans consist of only a motor and propeller and therefore are the simplest. Tube axial are similar to propellers but has a venturi around the propeller to reduc...
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5. Centrifugal vs. Axial Fan
October 11, 2013
Variable pitch wheels in axial fans and blowers are used where precise control of static pressure within supply ducts is required. The fan wheel will spin at a constant RPM . The blades follow the control pitch hub. As the hub moves toward the rotor the blades increase their angle of attack and an ...
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6. Force Draft Fan and Blower
August 18, 2013
Kitchens and bathrooms typically have mechanical exhaust to control odors and sometimes humidity. Factors in the design of such systems include the flow rate (which is a function of the fan speed and exhaust vent size) and noise level. If the ducting for the fans traverse unheated space (e.g., an at...
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7. Air Tight, Sealed Fans
August 16, 2013
Fans Mall Co. is a world wide distributor of industrial process ans OEM fans and blowers, as well as fan components; including high pressure blowers, high temperature fans, spark resistant and explosion proof ventilators, tubeaxial and vaneaxial high pressure ventilators. NISCO also does existing fa...
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8. Engineering of High Temperature Axial Fans
August 15, 2013
The Fans Mall complete high temperature fans line now include:
- Operating up to 2200 F, centrifugal, axial and plug fan types; - Pre-engineered and custom made fans for all types of applications with vaiety of impeller types and accessories; - Fans Mall engineers provide a professional a...
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9. High temperature fan and blower
August 15, 2013
There are two major types of high temperature fans - centrifugal and axial:
Centrifugal Wheels:
* Multiblade forward curve wheel. This type of wheel is usually specified where there is a necessity for large volumes of flow against low to medium static pressure requirements. The...
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10. Roof Supply and Exhaust Fans for Ventilation
August 14, 2013
Type HS Power Roof Ventilators have been tested to operate:
- conituously at 650 F; - 3 Hours at 800 F; - 1.5 Hours at 1000 F; - 1/2 Hour at 1,200 F.
Fans Mall Co. has introduced wide range of Heat and Smoke Removal Power Roof Ventilators. These PRVs are especially designed, built...
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Author: Oleg Chechel
