Vacuum pumps AT
The AT pumps are designed for operation at the ambient temperatures of 5 to 300C. The pumps are fitted with a very effective separation system, which separates oil mist from the outlet air. Thanks to this feature they do not pollute the environment with oil mist. They can be used for pumping pure air or other inert gases. When equipped with a WF filter, air with dust or solid particles can be pumped as well.
OPERATION MODE:
The AT pumps are designed for operation at the ambient temperatures of 5 to 35°C. The pumps are fitted with a very effective separation system, which separates oil mist from the outlet air. Thanks to this feature they do not pollute the environment with oil mist. They can be used for pumping pure air or other inert gases. When equipped with a WF filter, air with dust or solid particles can be pumped as well.
AT4 - oil returns during standstill, only intermittent operation possible in the range of pressures: 3 ÷ 1000 hPa.
AT6B, AT10B, AT21B, AT40 - oil returns during pump operation, continous or intermittent operation possible in the range of pressures: 2 ÷ 400 hPa.
AT21 - oil returns during standstill, only intermittent operation possible in the range of pressures: 2 ÷ 1000 hPa.
AT21A, AT40A - oil returns during pump operation, continous or intermittent operation possible in the range of pressures: 20 ÷ 1000 hPa.
AT63B, AT100B, AT160B, AT250B, AT400B, AT630B - oil returns during pump operation through float valve, continous or intermittent operation possible in the range of pressures: 1 ÷ 600 hPa.
Admissible frequency of pump starts:
AT4, AT6B ÷ AT100B - no more than 1 start in a minute
AT21 - 1 ÷ 15 minutes operation, 1 minute break
AT160B ÷ AT630B - no more than 1 start in 10 minutes
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