Critères de conception du système PureFlow de Viega
6.5.3 Tuyaux PEX PureFlow de Viega
6.5.3.1 Vitesse d'écoulement
34 sur 88
Débit
⅜
½
gal/min
0.5
1.7
0.9
0.75
2.5
1.4
1.0
3.3
1.8
1.5
5.0
2.7
2.0
6.7
3.6
2.5
8.3
4.5
3.0
10.0
5.4
3.5
6.3
4.0
7.2
4.5
8.1
5.0
9.1
6.0
10.9
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
25.0
30.0
35.0
Vitesse > 12 pi/s
40.0
45.0
50.0
55.0
60.0
65.0
70.0
75.0
Vitesse d'écoulement en pi/s
¾
1
1¼
0.7
Vélocité < 0,5 pi/s
0.9
0.5
1.4
0.8
0.6
1.8
1.1
0.7
2.3
1.4
0.9
2.7
1.6
1.1
3.2
1.9
1.3
3.6
2.2
1.5
4.1
2.5
1.7
4.5
2.7
1.8
5.4
3.3
2.2
6.4
3.8
2.6
7.3
4.4
2.9
8.2
4.9
3.3
9.1
5.5
3.7
10.0
6.0
4.0
10.9
6.6
4.4
11.8
7.1
4.8
7.7
5.1
8.2
5.5
8.8
5.9
9.3
6.3
9.9
6.6
10.4
7.0
11.0
7.4
9.2
11.0
IM-PF 724596 1021 PureFlow Water System (FR)
1½
2
0.5
0.7
0.8
0.9
0.5
1.1
0.6
1.2
0.7
1.3
0.8
1.6
0.9
1.8
1.1
2.1
1.2
2.4
1.4
2.6
1.5
2.9
1.7
3.2
1.8
3.4
2.0
3.7
2.2
4.0
2.3
4.2
2.5
4.5
2.6
4.8
2.8
5.0
2.9
5.3
3.1
6.6
3.8
7.9
4.6
9.2
5.4
10.6
6.2
11.9
6.9
7.7
8.5
9.2
10.0
10.8
11.5