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EVEREST, a leading manufacturer of Air Blowers in India offers twin Lobe air blowers available for flow rates from 25 m3/hr to 10,000 m3/hr in single stage & up to any capacity in a parallel configuration, for working pressures up to 1 Kg/cm2. Everest Air Blower is a positive displacement machine, which discharges a constant volume of air when operated at a constant speed. These machines are suitable for both pressure and vacuum applications. Pressure is not developed inside the blower but by the demand of the system. Differential pressure, therefore, varies to meet the load conditions and system resistance. We are also a leading manufacturer of low pressure air compressor. All processes in the industries can not be done with atmospheric pressure. So air is required to compress. Air compressors are designed for low pressure application. It does not reduce pressure. It increases it but operates at a lower pressure than the high pressure compressor. Horsepower required is proportional to the differential pressure across the suction and discharge of the blower. The air delivered is 100% oil free. They are extensively used in cement plants, pneumatic conveying systems, effluent treatment plants for aeration, water treatment plants for backwashing of filters, blending of powder material, agitation of chemical solutions, aquaculture, electroplating, etc. Special Biogas~Gas Blowers are also available. Everest blowers are manufactured on sophisticated CNC machines to ensure high quality of workmanship resulting in interchangeability and high performance. Blower acoustic hood assemblies are also available to cut down noise to the acceptable tolerance range. They are available as package units, ready to install, or as bare units for replacement.
direction within a casing closed at the ends by side plates. As the impellers rotate, the air is drawn into one side of the casing and forced out of the opposite side against the existing pressures. The differential pressure developed, therefore, depends upon the resistance of the connected system. The Blowers, being positive displacement type, do not develop pressure within the casing but the discharge pressure depends upon the system resistance / back pressure. Effective sealing of the compressor inlet area from the discharge area is accomplished by the use of very small operational clearance, eliminating the need for any internal lubrication of the lobes. A pair of accurately machined alloy steel, hardened and ground timing gears maintain clearances between the impellers, during rotation. The air, thus delivered, is 100% OIL FREE. The pumping capacity of a lobe compressor, operating at constant speed remains relatively independent of inlet and discharge pressure variations. These Blowers are constant volume machines, which deliver a fixed discharge against the system backpressure. It is, therefore, essential to ensure that minimum pipeline restrictions, at the inlet and discharge, are imposed. Adequate size piping and large radius bend ensure minimum line losses resulting in higher efficiency and low power consumption. Sudden change in the pipeline cross-section should also be avoided. To change capacity, it is necessary either to change speed (energy saving) or vent some of the air into the atmosphere (not energy saving). The air must not be recirculated from the discharge to suction as it may result in overheating. No attempt should ever be made to control the capacity of the compressor by means of throttle valves in the intake or discharge piping. This increases the power load on the motor and may seriously damage the compressor. There is an increase in the discharge air temperature due to the heat of compression. As a thumb rule the discharge air temperature increases @ 100C for every 0.1 Kg/cm2 of P above the inlet temperature.
