20 LRP200000228 Issue A
Connect the components of the drive and transmission system to the pump drive shaft as described in the
manufacturer’s instructions supplied with the components.
3.8 Connect the sealing liquid pipelines
WARNING
Atlas Copco cast iron pumps are treated with a corrosion inhibitor. To avoid
contamination flush with a suitable fluid.
Connect the sealing liquid system pipelines to the pump in accordance with the requirements shown in the
corresponding detail A, B or C of Figure 1.
Refer to the System Manual for the sizes and locations of the sealing liquid supply and drain ports.
3.9 Connect the pump inlet and outlet
3.9.1 Introduction
Take note of the following when you connect the pump process inlet and outlet:
• For optimum pumping speeds, ensure that the pipeline connected to the process inlet is as short as
possible.
• The pipelines must have an internal diameter not less than the pump inlet/outlet diameter.
• Support the pipelines to prevent loading of the inlet/outlet joints on the pump.
• Use a suitable inlet trap or filter to prevent the entry of solid particles into the pump.
• The inlet and outlet seals used must be compatible with the sealing fluid used, with the substances
pumped, and with the process/operating conditions.
3.9.2 Connect the process inlet
Use a suitable gasket as a seal and connect the pipeline from your vacuum system to the process inlet on
the pump. The gasket you use must be made of a material which is compatible with the process.
3.9.3 Connect the process outlet
CAUTION
Ensure that the maximum outlet pressure specified in Section 2.3 cannot be exceeded. If it is,
the drive or motor will trip and the pump will stop.
Use a suitable gasket as a seal and connect your outlet pipeline to the process outlet on the pump or on
the sealing liquid supply system (see Figure 1).
The gasket you use must be made of a material which is compatible with the process.
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