2 | Product Description
6 | 40 Instruction Manual FOSSA FO 0015 A - FO 0035 B_EN_en
2.1 Operating Principle
Description
1 Compression cycle 2 Gas inlet (IN)
3 Gas outlet (OUT) 4 Fixed scroll
5 Orbiting scroll 6 Gas process pocket
Scroll vacuum pumps consist of both a fixed and an orbiting scroll. As the orbiting scroll moves,
voids are created at the inlet of the pump, drawing in the gas. As the rotor further moves, the gas is
steadily compressed until it is discharged to atmosphere at the pump exhaust.
The compression is made without the use of any lubrication whatsoever.
NOTICE
Lubricating a dry running machine (compression chamber).
Risk of damage to the machine!
● Do not lubricate the compression chamber of the machine with oil or grease.
2.2 Intended Use
WARNING
In case of foreseeable misuse outside the intended use of the machine.
Risk of injuries!
Risk of damages to the machine!
Risk of damages to the environment!
● Make sure to follow all instructions described in this manual.
The machine is intended for the suction of air and other dry, toxic, non-aggressive and non-explo-
sive 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.
Depending on the optional variant, the machine may be used for ATEX or oxygen applications, see
Optional Variants [➔8].
The machine is gas tight when a gas ballast valve is not installed.
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