Graco REGULUS 003.175-DP User Information page 7

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It goes without saying that the pressure control valve can be situated between the hose line
and the compressed air line.
The manometer connected
the air pressure required.
display range 0 to 16 bar
air and local temperature 0 to 50 °C
damped construction
A shutoff mechanism (e.g. ball cock) should be fitted between the pressure control valve and
the hose line in all cases, or between the hose line and the compressed air line. This enables a
quick and safe diaphragm pump switch-off before operating pauses, maintenance work and in
cases of breakdown.
There is no change to the value set on the pressure control valve:
Nominal pressure 16 bar
Material CuZn, nickel-plated
For ball cocks the following must be observed: stopcock transverse to flow direction =
pipe is closed off
Do not use PTFE or hemp to seal connections (causes pressure control valve
malfunction due to residue from compressed air supply).
There are no special requirements as regards the quality of the compressed air supplied to the
diaphragm pump.
condensation and residue oil from the compressor are trapped
(pressure tank, compressed air filter)
oiling of compressed air not necessary
temperature of compressed air 10°C to 50 °C
In painting processes the compressed air must be free of substances which could
lead to the formation of craters (oil, silicone).
-
This also applies to component parts of the compressed air supply.
EXHAUST AIR SOUND ABSORBER
The sound emissions of a compressed air powered diaphragm pump is damaging to hearing in
the absence of a sound absorber [> 100 dB(A)]. Every diaphragm pump is therefore fitted with
an integrated sound absorber.
3.1 in function diagram
5
enables exact setting and control of
B.6.50.80-B-GB

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