Technical data

26
Compressed Air Applications Manual | Pipework design and installation
If the pipe passes through a wall or ceil-
ing, it must be surrounded by a sleeve or
by insulation material to separate it from
the construction element. The sleeve
should protrude slightly at both ends of
the construction element.
Marking
In accordance with VEG 1 § 49 and DIN
2403, pipes have to be marked for the
purpose of identification. Marking to in-
dicate the throughput medium (fluid) is
essential in the interest of safety and ef-
fective fire fighting.
Appropriate marking must be
• at the beginning and end of the pipe
• at branching and passage points, and
• on the valves.
Pipe clamp arrangement
BEKOFLOW
®
Spacing of pipe mounting elements
Dimension
in mm
d x s
Compressed air line up to 20 °C
without support
shells
L1 (cm)
with
support shells
L2 (m)
16 x 2.2
20 x 2.8
25 x 2.3
60 cm
70 cm
90 cm
ca. 1.5 - 2.0 m
32 x 3.0
40 x 3.7
50 x 4.6
63 x 5.8
100 cm
120 cm
150 cm
170 cm
ca. 2.0 - 2.5 m
78 x 6.8
90 x 8.2
110 x 10.0
180 cm
200 cm
220 cm
ca. 2.5 - 3.0 m
Fluid Group Colour – RAL –
Water 1 green 6018
Compr. air 3 grey 7001
Gas 4/5 yellow 1012
Acid 6 orange 2000
Lyes 7 purple 4001
Oxygen 0 blue 5015
Steam 2 red 3003
Compressed air
6 bar
Pipe clamps have to be arranged in such
a way that they can accommodate any
typical changes in pipe length. Likewise,
where pipes pass through a wall or ceil-
ing they must be allowed sufficient play.
In the case of longer lines, the changes
in length can be subdivided by using suit-
able fixing points to allow better distribu-
tion of these changes.