Labels Of The Pipelines; Marking The Direction Of Rotation Of The Compressor Drive Motor; Marking The Direction Of Rotation Of The Oil Pump Motor; Fig. 11 Labels Of The Pipelines - GEA Grasso M-Series Operating Manual

Operating Manual | GEA Grasso M-Series
Screw Compressor Packages
7.5.4

Labels of the pipelines

(information plate)
Pipelines in refrigeration plants must be labelled as
follows (DIN 2405):
–
Refrigerant
– Direction of flow
– State of phase
fig.11: Labels of the pipelines
1 Arrow head (indication of the direction of flow)
2 Horizontal stripe (indication of the state of
phase), green = liquid // blue = gaseous cold //
red = gaseous hot
3 Information field (label of the refrigerant)
GEA Refrigeration Germany GmbH | P_261511_1 | Generated 01.04.2015
7.5.5 Marking the direction of rotation
of the compressor drive motor
(information plate)
fig.12: Marking the direction of rotation of the compressor drive
motor
The direction of arrow indicates the direction of rota-
tion of the compressor drive motor
7.5.6 Marking the direction of rotation
of the oil pump motor
(information plate)
fig.13:

Marking the direction of rotation of the oil pump motor

The direction of arrow indicates the direction of rota-
tion of the oil pump motor
Description of Design and Function
35