422 22
732870 - Rev.C
1 3
422 PED. flow rate 1.5 l/min
PED.
Exposed surface (m²)
Leaf length (m)
0.8
0.9
1.0
1.2
1.4
1.0
11
10
9
1.5
10
9
8
2.0
9
2.5
8
3.0
3.5
7
4.0
6
5
Beaufort number and description
(Beaufort scale)
Wind speed (km/h)
0
Calm
≤ 1
1
Light air
> 1…6
2
Light breeze
> 6…11
3
Gentle breeze
> 11…19
4
Moderate breeze
> 19…29
5
Fresh breeze
> 29…39
6
Strong breeze
> 39…50
7
High wind
> 50…62
8
Gale
> 62…75
9
Severe gale
> 75…87
10
Storm
> 87…102
11
Violent storm
> 102…117
12
Hurricane force
> 117
Содержание 422 Standard
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