Tri-Lobe Roots Blowers
Our Range of Tri-Lobe Roots Blowers
EVEREST, leading manufacturer of Roots Blowers in India, introduces the Tri-Lobe/ Vertical Tri-Lobe Roots Blowers. This technology allows blowers to have lobe tips exposed to 120 degrees around the rotor, rather than the 180 degrees found in bi-lobe blowers. This provides a stiffer rotor set, meaning less deflection at any load.
These blowers are designed to meet the specific demands of the industry, including continuous duty operation, sturdy design, reduced noise and vibrations, longer bearing life, and minimal maintenance. They are optimized for continuous duty service.
The complete package units are shipped with all essential accessories and an electric motor, ready for plug-and-play installation. These blowers are supplied with built-in safety & monitoring equipment such as safety relief valve and pressure gauge.
Share
Working Principle
Everest Tri-Lobe Roots Blowers are positive displacement units. Their pumping capacity is determined by size, operating speed, and pressure conditions. It employs two Tri-Lobe impellers mounted on parallel shafts, rotating in opposite directions within a casing that is closed at both ends by side plates. As the impellers rotate, 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.
As positive displacement blowers, they do not generate pressure within the casing. The discharge pressure depends on the system's resistance or back pressure. The effective sealing of the compressor inlet area from the discharge area is achieved through very small operational clearances, eliminating the need for 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 back pressure. It is, therefore, essential to ensure that minimum pipeline restrictions, at the inlet and discharge, are imposed. Adequate size piping and large radius bends ensure minimum line losses resulting in higher efficiency and low power consumption. Sudden changes in 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 atmosphere (not energy saving). The air must not be re-circulated from the discharge to suction as it may result in overheating of the tri-lobe blower. No attempt should ever be made to control the capacity of 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 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.
Key Benefits:
-
Anti-friction bearings
-
Tri Lobe Rotor design, suitable for both Pressure Duty and Vacuum Duty
-
100% oil free air delivery
-
Fail safe labyrinth sealing.
-
Extended shaft design for cool running
-
Rigid one-piece CI casing & end plates
-
Standard Orientation: Right Angle Flow
-
Large inlet & outlet connections for minimal loss
-
Alloy steel toughened shafts ground to close tolerances
-
Factory engineered, Factory guaranteed, superior product.
-
Alloy steel hardened and ground timing gears, oil splash lubricated.
-
Improved volumetric efficiency and reduced operating temperatures.
-
Dynamically balanced rotor shaft assembly (Grade 6.3 ISO 1940-1986)
-
Performance testing as per standard test procedure STP-01 based on BS 1571-2:1975 and ISO 1217:2009
-
Tri-Lobe blower construction has low pulsations and low noise.
-
All blowers are manufactured on state of the art, imported CNC machines, machined to close tolerances with high degree of accuracy on profile machining, ensuring high volumetric efficiency.
-
All major components are interchangeable making Everest the first and only manufacturer to attain the same.
-
Non-contact type labyrinth seals, with vent, offer lifelong sealing.
-
Right angle flow orientation with suction top, resulting in smaller footprint.
Key Benefits:
-
Quieter Operation: The Tri-Lobe rotor enables smooth air output, with less pulsations. This results in a significant reduction of emitted sound.
-
Longer Life: The smooth power cycles mean less “impacting load” and results in longer bearing and unit life.
-
A convenient sight glass makes it easy to check oil levels. Drain valve is mounted in the front of the unit, hence easily accessible.
-
Direct coupled drive resulting in increased drive efficiency, reduced noise and longer service life.
-
Built-in monitoring and safety equipment such as pressure gauge and safety relief valve.
-
Anti-vibration pads absorb vibrations before they reach the floor.
-
Easily mountable suction air filter with non-woven polyester media for surface and depth filtration. Mean pore size 25 microns.
Tri-Lobe Roots Blowers
Working Principle
Everest Tri-Lobe Roots Blowers are positive displacement units. Their pumping capacity is determined by size, operating speed, and pressure conditions. It employs two Tri-Lobe impellers mounted on parallel shafts, rotating in opposite directions within a casing that is closed at both ends by side plates. As the impellers rotate, 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.
As positive displacement blowers, they do not generate pressure within the casing. The discharge pressure depends on the system's resistance or back pressure. The effective sealing of the compressor inlet area from the discharge area is achieved through very small operational clearances, eliminating the need for 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 back pressure. It is, therefore, essential to ensure that minimum pipeline restrictions, at the inlet and discharge, are imposed. Adequate size piping and large radius bends ensure minimum line losses resulting in higher efficiency and low power consumption. Sudden changes in 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 atmosphere (not energy saving). The air must not be re-circulated from the discharge to suction as it may result in overheating of the tri-lobe blower. No attempt should ever be made to control the capacity of 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 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.
Key Benefits:
-
Anti-friction bearings
-
Tri Lobe Rotor design, suitable for both Pressure Duty and Vacuum Duty
-
100% oil free air delivery
-
Fail safe labyrinth sealing.
-
Extended shaft design for cool running
-
Rigid one-piece CI casing & end plates
-
Standard Orientation: Right Angle Flow
-
Large inlet & outlet connections for minimal loss
-
Alloy steel toughened shafts ground to close tolerances
-
Factory engineered, Factory guaranteed, superior product.
-
Alloy steel hardened and ground timing gears, oil splash lubricated.
-
Improved volumetric efficiency and reduced operating temperatures.
-
Dynamically balanced rotor shaft assembly (Grade 6.3 ISO 1940-1986)
-
Performance testing as per standard test procedure STP-01 based on BS 1571-2:1975 and ISO 1217:2009
-
Tri-Lobe blower construction has low pulsations and low noise.
-
All blowers are manufactured on state of the art, imported CNC machines, machined to close tolerances with high degree of accuracy on profile machining, ensuring high volumetric efficiency.
-
All major components are interchangeable making Everest the first and only manufacturer to attain the same.
-
Non-contact type labyrinth seals, with vent, offer lifelong sealing.
-
Right angle flow orientation with suction top, resulting in smaller footprint.
Vertical Tri-Lobe Roots Blowers
Key Benefits:
-
Quieter Operation: The Tri-Lobe rotor enables smooth air output, with less pulsations. This results in a significant reduction of emitted sound.
-
Longer Life: The smooth power cycles mean less “impacting load” and results in longer bearing and unit life.
-
A convenient sight glass makes it easy to check oil levels. Drain valve is mounted in the front of the unit, hence easily accessible.
-
Direct coupled drive resulting in increased drive efficiency, reduced noise and longer service life.
-
Built-in monitoring and safety equipment such as pressure gauge and safety relief valve.
-
Anti-vibration pads absorb vibrations before they reach the floor.
-
Easily mountable suction air filter with non-woven polyester media for surface and depth filtration. Mean pore size 25 microns.