Engineering manual - SAB 355 Screw compressor unit (including ATEX)
004100 en 2020.10
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Technical description
4. Technical description
4.1 Description of the compressor
The screw compressor unit is intended for high pressure operation and booster operation. Since it
is designed and constructed as a ready-to-operate unit, all that is required is connection to the
plant system.
Fig. 10: SAB 355 X, back
Fig. 11: SAB 355 X, front
Design/Construction
A description of the components that form part of the unit is given below. More detailed descrip-
tions are included in separate documents for the individual components.
The compressor (CS), the electric motor (M) and the oil separator (OS) are mounted on a base
frame. The base frame also serves as a foundation for the other components of the unit.
The torque from the electric motor is transmitted to the compressor via a flexible disc coupling.
When describing the individual components in the following sections, the position
numbers stated in the piping diagram, instrumentation figures and/or general key to
piping diagram later in this section will be used.
Compressor description
Fig. 12: Screw compressor
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