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5 | compressor assembly – GEA Bock HGZ7 User Manual

Page 18

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18

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09726-11.2014-DGbF

5.6 Pipe connections

The

pipe connections have graduated inside diameters so that pipes with

standart millimetre and inch dimensions can be used.

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.

Fig. 23: graduated
internal diameter

5| Compressor assembly

ATTENTION Damage possible.

Superheating can damage the valve.
Remove the pipe supports therefore from the valve for soldering.
Only solder using inert gas to inhibit oxidation products (scale)

INFO

A soldering suppot for tube diameter 54 mm is mounted to the
suction shut-off valve of the compressor.
A soldering support for tube diameter 2

1

/

8

'' accompanies the

compressor.

Liquid subcooler, expansion valve, solenoid valve and two sight glasses are mounted directly at the
compressor, piped and insulated.

FUE

FUA

FUE: Liquid subcooler inlet
FUA: Liquid subcooler outlet

5.5 Factory-installed liquid subcooler system (optional design)

Fig. 22

GEA Bock GmbH
72636 Frickenhausen, Germany