12 Pressure equipment directives
Components subject to 97/23/EC Pressure Equipment Directive
The following table contains the necessary information for the inspection of all pressure equipment of
category II and higher according to the Pressure Equipment Directive 97/23/EC and all pressure equipment
according to the Simple Pressure Vessel Directive 87/404/EEC.
Compressor
type
Component Description Volume Design
pressure
Minimum and
maximum
design
temperature
PED
Class
GA 55
+
up to GA
90
1622 3658 99 Vessel 63 l 15 bar(e) -10 ˚C/ 120 ˚C II
1202 5401 00 Safety valve - - - IV
1202 5749 00 Safety valve - - - IV
1202 5452 00 Safety valve - - - IV
1613 7810 00 Safety valve - - - IV
Compressor
type
Component Description Number
of cycles
(1)
Minimum
wall
thickness
Visual
inspection
frequency (2)
Hydrostatic
inspection
frequency (2)
GA 55
+
up to
GA 90
1622 3658 99 Vessel
2 x 10
6
8 mm 10 years 10 years
1202 5401 00 Safety valve - - - -
1202 5749 00 Safety valve - - - -
1202 5452 00 Safety valve - - - -
1613 7810 00 Safety valve - - - -
The compressors conform to PED smaller than category II.
(1) The number of cycles refers to the number of cycles from 0 bar(e) to maximum pressure.
(2) Other inspection techniques such as ultrasonic or X-ray are equivalent to hydrostatic testing for this
equipment.
Instruction book
92 API603130
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