Substitute pipe
lengths
Maximum per-
missible total
ducting length
Type of elbow
Type
90° elbow
45° elbow
90° elbow
45° elbow
90° corrugated pipe elbow
45° corrugated pipe elbow
90° segmented elbow
(3 welded seams)
90° elbow, Westaflex ducting
45° elbow, Westaflex ducting
Non-return flap
Clear minimum pipe diameter
(metal pipes)
150 mm
180 mm
200 mm
Permissible counter pressure in the vent ducting
EL: electrically heated
G: gas heated
When connecting the vent ducting to the exhaust duct on a machine,
particular care must be taken to make sure the connection is secure
and air-tight.
en - Installation notes
r = 2d
r = 2d
r = d
r = d
r = 2d
r = 2d
r = 2d
r = 2d
r = 4d
r = 2d
r = 4d
PDR 516
10 m
27 m
48 m
EL:
350 Pa
G:
300 Pa
PDR 516 SL
1.1 m
0.7 m
1.9 m
1.1 m
3.2 m
2.0 m
1.2 m
1.2 m
0.9 m
1.0 m
0.8 m
5.5 m
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