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Here's the recent articles submitted by Oleg Tchechel

Articles By Oleg Tchechel

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A 100% Reversible Roof Ventilators For Building Ventilation   By: Oleg Tchechel
CBRE Roof Recirculators function as regular power roof ventilators in warmer weather and as an energy-saving recirculation air system in cold weather. Each unit is equipped with a reversible fan that distributes warm ceiling air thoughout the plant and reduces the builing's heating requirements. With a flip of a switch it can function as a conventional roof ventilator. There are two unit types: 1) for exhaust and recirculation; 2) for exhaust, supply and recirculation.(read entire article)
View : 91 Times
Category : Shopping/Product Reviews

Big Industrial Forced Draft Fans And Blowers   By: Oleg Tchechel
Industrial forced ventilation is used to control indoor air quality. Excess humidity, odors, and contaminants can often be controlled via dilution or replacement with outside air. However, in humid climates much energy is required to remove excess moisture from ventilation air.(read entire article)
View : 59 Times
Category : Others

Blowers And Fans For Industrial And Oem Applications   By: Oleg Tchechel
Usual practical methods of plants ventilation are: * Exhaust fans or Power Roof Ventilators (PRVs). To do a satisfactory job of eliminating excessively hot air, it is usually essential to have powered wall and/or roof exhausters. These fans should also help to control air pressure within the building whether it be negative or positive pressure. * Supply Fans or PRVs. A large number of buildings use exhaust PRVs to exhaust fumes, smoke, dust or other contaminants unavoidable in the operation of the business. As a result, these buildings are frequently under a severe negative pressure. The solution to the problem of this kind is usually found in the use of supply fans or "make-up" air ventilators.(read entire article)
View : 57 Times
Category : Business

Cast Aluminum Regenerative Blower   By: Oleg Tchechel
The specifications to consider when selecting regenerative blowers include: maximum free air delivery, maximum pressure, and motor power. Free air delivery (FAD) is the actual air produced by the compressor pump at the rated pressure. Maximum FAD is usually rated at a pressure somewhat less than the maximum pressure available. Volume per unit time is the unit of measure. Maximum pressure is the maximum level of air pressure generated by the compressor. Typically, these units are referenced to one atmosphere, as in psig or psi gauge. Note that maximum flow may not occur at maximum pressure. Motor power is the rated power of motor or engine driving compressor pump.(read entire article)
View : 90 Times
Category : Environment

Centrifugal Blower For Industrial Application   By: Oleg Tchechel
Industrial fans always make some noise but with a lot of the new models being released now the noise level is minimal. Some can make more noise than others but this depends on the size of the fan and also the conditions which it is working in.(read entire article)
View : 63 Times
Category : Education

Centrifugal Ventilators In Series   By: Oleg Tchechel
The advantage of blowers in series is that of the availbale space. If system must be expanded and increaases the CFM requirements, the allotted space for the original blower may not be large enough for a single large blower, but might be large enough to istall two smaller blowers in series to obtain the necessary pressure.(read entire article)
View : 15 Times
Category : Shopping/Product Reviews

Commercial Building Ventilation And Cooling   By: Oleg Tchechel
Industrial Pressure Blower Co. suggests a few methods of effective building ventilation and cooling. In industrial plants where there is a high density of employees and many manual operations involved, an improvement in the environment can produce substantial benefits in terms of increased production, reduced errors, and a decline in complaints and absenteeism among employees. In other circumstances, the attentiveness of an audience or student group may be a factor that spells success or failure for the project.(read entire article)
View : 10 Times
Category : Health

Duct Fan For Industrial Ventilation   By: Oleg Tchechel
Fan efficiency is defined as the ratio of air power (output) to shaft power requirement (input). An optimally designed fan impeller with improved aerodynamics requires less shaft input power for desired delivery of air volume with total pressure rise as per the system requirement. With reduced shaft power requirement, there is a commensurate reduction in energy consumption.(read entire article)
View : 14 Times
Category : Others

Explosion-proof Ventilator Fans   By: Oleg Tchechel
Consider the potential consequence if an industrial tool is dropped and strikes the blade or propeller of an exhaust / ventilation fan in use. With in a non-hazardous atmosphere, the risk for an explosion is minimal. However, if the same tool strikes the exposed, steel surfaces of a fan operating in a hazardous location containing gasoline fumes, the results could be drastically different. The blow produced by the tool could create a random spark. In the case of gasoline fumes, the addition of a proper air and gasoline fume mixture could result in an explosion. Minimizing this potential for a spark ignition is also an important reason to use spark proof tools and related equipment in hazardous locations. By incorporating basic spark proof blade / motor construction, the potential for a spark-ignited explosion caused by a direct blow is greatly minimized. The use of an explosion proof motor alone, or an aluminum blade / propeller, does not qualify the fan as "explosive proof". IMPORTANT! No air exhaust / ventilation fan is totally explosion proof. Only a product utilizing proper design and certification standards can minimize the risk of an explosion in an applicable hazardous atmosphere.(read entire article)
View : 9 Times
Category : Business

High Pressure Blowers   By: Oleg Tchechel
Side Channel blowers are oilless and have no complicated intake/exhaust valving. Most can be mounted in any plane and, with dynamically balanced impellers, generate little vibration. Because they are nonpositive displacement compressor/vacuum pumps, they discharge air that is clean and pulsation free, which are important considerations for today's plant instruments and controls.(read entire article)
View : 23 Times
Category : General

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