Graco REGULUS 003.175-DP User Information page 13

Movable, conducting vessels or appliances which could store an electric charge should also be
earthed. The is usually achieved with a flexible connection that is secured, for example, with a clip.
Chains may not be used.
COMPRESSED AIR SUPPLY
The compressor and compressed air storage receptacle (pressure tank) must be of sufficient size
- Check thoroughly
see also page 5, "Quality of Compressed Air"
CONNECTIONS
Compressed air pipeline
Suction pipeline diaphragm pump
Pressure pipeline diaphragm pump
These should be flexible and, in hazardous locations, electrically conductive.
see pages 4, 7 and 8
COMPRESSED AIR PIPELINE
If a compressed air line must be laid it must have a gradient of 3 to 5 mm per m down to the
compressed air tank or the water trap.
Main pipeline
Branch to
consumer
Plastic pipelines in hazardous locations must have a conducting resistance to earth
6
of < 10 .
diaphragm pump
If a branch line has to be made from an existing compressed
air line, this should be carried out above the level of the pipe
axis.
In the case of bends in metal air pipes these should be
selected with a bend radius of the pipe axis not smaller than
2.5 x the pipe outside diameter.
Fig. 10
11 B.6.50.80-B-GB