Ring Blower Vacuum Suction Rotary Air Pump

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Model (3AC)	Phase	Frequency	Motor	Voltage	Current	Max airflow	Rated vacuum	Rated pressure	Sound level	Weight
Model (3AC)	Phase	(Hz)	Hp kw	(V)	(A)	cfm m³/hr	(In.H2O mbar)	(In.H2O mbar)	(dB)	(kg)
2PB 210 H16	Single	50	0.53 0.4	200-240? 345-415Y	2.6?/1.5Y	47 80	48 120	52 130	53	10
2PB 210 H16	Single	60	0.67 0.5	220-275?,380-480Y	2.6?,1.5Y	57 98	60 150	64 160	56	10

Usually our blowers do not require maintenance. Wearing parts service life(bearing and filters) depends on operating conditions. All machines have pre-lubricated bearing with a minimum service life of 12, 000 hours.

During usual operation (fluid inlet and ambient temperatures not exceeding 40?, differential pressure as per nameplate data), the following routine maintenance activities have to be foreseen.

CLEANING

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.

Fenglishi Industry is professional as one of the leading ring blower vacuum suction rotary air pump 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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