Code F07011709
RECOMMENDED GROUND SPEEDS (kph)
TYPE OF MATERIAL 0,5 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6 6,5 7 8
Sparse grass
Uncultivated grass
Twigs up to 2 cm in diameter
Branches up to 3 cm in diameter
g.33
R
S
USE AND MAINTENANCE
ENGLISH
29
- when they are deteriorated on the outer surface;
- when they are deformed beyond their natural shape due
to crushing, formation of bubbles, etc.;
- when leaks are identied near the pipe sheath (S,g.33);
- when the sheath is corroded (S,g.33);
- 5 years after their manufacture (R,g.33).
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