10.2 Pressure Equipment Directives - BeaconMedaes dMED 7 Instruction Book

10.2 Pressure equipment directives

Components are subject to the 97/23/EC Pressure Equipment Directive.
The drying towers, consisting of extruded profiles, are the only pressure bearing parts of category I. The
category according to 97/23/EC of the pressure assembly, as well as the volume, is indicated in Table A (see
below).
Parts of article 3.3 of 97/23/EC are subject to Sound Engineering Practice (SEP).
Parts of category I according to 97/23/EC are integrated into the machine and fall under the exclusion of article
I, section 3.6.
Parts subject to the Simple Pressure Vessel Directive 87/404/EEC are excluded from 97/23/EC according to
article I, section 3.3.
The following table contains the necessary information for the inspection of all pressure equipment according
to the Pressure Equipment Directive 97/23/EC.
Table A
Dryer Tube drawing
type p.n.
CD 7+ 1627 0009 00
CD 13+ 1627 0010 00
CD 25+ 1624 0938 00
CD 35+, 1624 0939 00
CD 70+
CD 50+, 1624 0974 00
CD 80+,
CD 100+,
CD 145+
Recommendation of the manufacturer for the re-inspection time
Following actions are to be executed by authorised service personnel, unless stated differently in the applicable
legislation. The stated time interval has as reference the day of start-up of the unit.
• Every 6 months: visual check of tube (tower) material on the outside (exposed) for traces of strong
corrosion. Consult the service department of your supplier if necessary.
• Every 5 years: when replacing the desiccant, following inspections are to be carried out:
• Inspection of outside and inside of the material for excessive and local corrosion,
• Inspection of outside and inside of the material for fissures, leaks, damage.
Consult the service department of your supplier if necessary.
• Every 10 years: hydrostatic test according to the Pressure Equipment Directive 97/23/EC. Consult the
service department of your supplier if necessary.
88
Design Design
pressure tem-
bar(e) perature
°C
16 -10 to +80
16 -10 to +80
16 -10 to +80
16 -10 to +80
16 -10 to +80
PED Tube wall
category thickness
mm
I 6
I 6
I 6
I 6
I 6
Instruction book
Tube Tube
diameter internal
mm volume
l
150 8.3
150 11.7
150 15.7
150 20.0
150 26.5
2920 7099 70