Installation
12 – EN EGRD 600 – 2900
4.6 Connection to the compressed air system
Operations to be performed by qualified personnel only.
Never work on system under pressure.
The user is responsible to ensure that the dryer will never be operated with pressure exceeding the
maximum pressure rating on the unit data tag.
Over-pressurizing the dryer could be dangerous for both the operator and the unit.
The air temperature and the flow entering the dryer must comply within the limits stated on the data
nameplate. The system connecting piping must be kept free from dust, rust, chips and other impurities, and
must be consistent with the flow-rate of the dryer. In case of treatment of air at particularly high temperature,
the installation of a final refrigerator could result necessary. In order to perform maintenance operations, it is
recommended to install a dryer by-pass system.
In case of heavily polluted inlet air (ISO 8573.1 class 3.-.3 or worse quality), we recommend
the additional installation of a pre-filter (5 micron minimum) to prevent a clogging of the
heat exchanger.
In realising the dryer, particular measures have been taken in order to limit the vibration which could occur
during the operation. Therefore we recommend to use connecting pipes able to insulate the dryer from
possible vibrations originating from the line (flexible hoses, vibration damping fittings, etc.).
4.6.1 Inlet / outlet flanged air connections (only EGRD 600 – 1254)
Inlet / oulet flanged air connections and Victaulic ® joints are located inside the box under the dryer
(see Fig.1).
Assembly flange (B) and Victaulic ® joint (A) as shown in Fig.2
Pay particular attention in not damaging the gasket of Victaulic ® joint (A).
Fully tighten the two bolts of Victaulic ® joint (see Fig.3)
L
G
T
0
0
5
6
L
G
T
0
0
5
7
B
A
Fig.1 Fig.2
Fig.3
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