Series Side Channel Blower Blower

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Model (3AC)	Phase	Frequency	Motor	Voltage	Current	Max airflow	Rated vacuum	Rated pressure	Sound level	Weight
		(Hz)	(hp)kw	V	A	cfm m³/hr	In.H2O mbar	In.H2O mbar	(dB)	kg
2PB 220 H26	Double	50	0.94 0.7	200-240?,345-415Y	3.8?,2.2Y	50 85	84 210	96 240	55	15
2PB 220 H26	Double	60	1.12 0.83	220-275?,380-480Y	3.7?,2.15Y	60 102	100 250	100 250	61	15

Air or gas is pulled into a side channel through the air inlet and is accelerated by an impeller rotating inside the impeller chamber.

The resulting pressurized air or gas is discharged through the exhaust outlet. This type of operation is also known as a "ring" or "side channel" blower design.

Both suction and dischar ge air passages drive to a toroidal chamber, where the radial blade impeller is located, representing the core of the equipment. The fluid is forced inside the toroidal channel by the centrifugal energy given by the impeller and released towards the inner side of the impeller blades where a further acceleration provides the fluid with an helicoidally trajectory with a consequent progressive increase of energy.

The pitch of the helicoidally trajectory changes in proportion with pressure variation between suction and discharge. The pitch is able to self-calibrate according to the load acting on the fluid. The gas is free of pollution and keeps a linear flow without pulsations.

The absence of vibration and a low noise level are further advantages and contribute to ease the installation.

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Make sure that the machine is shut down and locked against inadvertent start-up. Clean the external part of the machine with compressed

air. Deposit of dust on external blower surface avoid an adequate thermal exchange and can cause an overheating of the interior. Clean the

ventilation grid of the motor fan cover. Dirt on motor fan cover reduces the air flow and causes motor over- heating. Every 10/15 days

during operation it is advisable to clean the filter cartridge. If the machine operate in a high dusty environment, it is necessary to

replace it frequently. A dirt cartridge increases the pressure differential, the absorbed power and the operating temperature.

If the machine does not produce any differential pressure, or too low pressure, or gas flow decreases, it is necessary to clean

the inside of the machine. Sealing rings and bearings replacement

The sealing rings lose the sealing capacity when exceeding their lifetime(max 2 years), thus allowing fluid losses. At that extend,

sealing rings must be replaced.

Malfunctioning occurs when the bearings exceed their lifetime(max 2 years) causing excessive noise. At that extend, bearings must be replaced.

Early wearing of bearings may be due to:

-Mechanical shocks during running or stop that can damage the ball rolling track.

-Running conditions over the limit of the nameplate causing temperature increase lubrication grease damage.

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Fenglishi Industry is professional as one of the leading series side channel blower blower manufacturers and suppliers in China. Introducing the advanced equipment and technology from Germany, we can assure you the high quality, high precision and reliable performance of our equipment.

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Suzhou Fenglishi Industry Co.,Ltd

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