Product Description | 2
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2.1 Operating Principle
The machine works on the rotary vane principle.
The oil seals the gaps, lubricates the vanes and takes away compression heat.
The oil filter cleans the circulating oil.
Exhaust filters separate the oil from the discharged gas.
2.2 Application
The machine is intended for the suction of air and other dry, non-aggressive, non-toxic
and non-explosive gases.
Conveying of other media leads to an increased thermal and/or mechanical load on the
machine and is permissible only after a consultation with Busch.
The machine is intended for the placement in a non-potentially explosive environment.
The machine is capable of maintaining ultimate pressure.
The machine is suitable for continuous operation.
Permitted environmental conditions see
Technical Data [
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2.3 Standard Accessories
2.3.1 Temperature Switch "Gas"
The temperature switch monitors the gas temperature of the machine.
The machine must be stopped when the gas reaches 110 °C.
2.3.2 Level and Temperature Switch
The level switch with integrated temperature switch monitors the oil level and the oil
temperature. It has one level switch point and two temperature switch points.
The machine must be stopped when the oil level is too low or, depending on the oil
type, when the oil reaches a certain temperature, see
Oil [
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2.4 Optional Accessories
2.4.1 Gas Ballast Valve
It mixes the process gas with a limited quantity of ambient air to counteract the con-
densation of vapour inside the machine.
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