Instructions for Use
MS120 Single Stage Rotary Vane Pumps User Manual / 87-900-150-01(B) 134/198
The MS120 Single Stage Rotary Vane Pumps are single-stage, rotary
vane pumps oil sealed, driven by an electric motor controlled by an
inverter. These high vacuum pumps are suitable for pumping air and
small quantity of water vapour only. Pumping of other types of gas or
vapours must be declared in advance to Agilent Technologies that
will give the conformity to the specific use.
The flanged electric motor is coupled by means of an elastic coupling.
The cooling is ensured by a powerful centrifugal fan.
At the pump inlet there is a mesh filter in order to protect it from
solid parts having diameter larger than 4.7 mm. Furthermore, an
integrated non-return valve prevents the oil coming back and the
return of air in the chamber to be pumped down during the stop
phase.
In the tank there is a system of oil smokes separation from the
discharged air (maximum residual 2PPM/weight corresponding to 2.4
mg/m
3
).
The separated oil is recovered automatically by the pump.
The gas ballast valves prevent condensation inside the pump when
pumping down small quantity of vapour (see paragraph “Gas ballast
valves”).
The following paragraphs contain all the information necessary to
guarantee the safety of the operator when using the equipment.
Detailed information is supplied in the appendix "Technical
Information".
This manual uses the following standard protocol:
WARNING!
The warning messages are for attracting the attention of the operator to a
particular procedure or practice which, if not followed correctly, could lead to
serious injury.
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