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09790-02.2018-DGbFEIRu

4.3 Pipe connections

4| Compressor assembly

ATTENTION Damage possible.

Superheating can damage the valve.

Remove the pipe supports from the valve for soldering.

Only solder using inert gas to inhibit oxidation products (scale).

The discharge gas connection can be moved upwards with an

adapter (accessory). This makes it easier to remove the com-

pressor from a refrigerating system.

Fig. 14: graduated

internal diameter

Pipe connections on the compressor are available for soldering or

welding (accessories). The discharge and suction line valves have

graduated inside diameters so that pipes with standard millimetre and

inch dimensions can be used. The pipe will be immersed more or less

deeply according to dimension.

The connection diameters of the shut-off valves are rated for maximum

compressor output. Theactualrequiredpipecrosssectionmustbe

matched to the output. The same applies for non-return valves.

4.4 Pipes

Pipes and system components must be clean and dry inside and free of scale, swarf and layers of

rust and phosphate. Only use air-tight parts.

Lay pipes correctly. Suitable vibration compensators must be provided to prevent pipes being

cracked and broken by severe vibrations.

Ensure a proper oil return.

Keep pressure losses to an absolute minimum.

GEA Bock HG8 Series User Manual

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