Coef. Zeta rezistente locale PEXAL

Nr.

crt.Tip Rezistenta Locala D [mm] 14x2 16x2.25 16x2 18x2 20x2.5 20x2 26x3 32x3 40x3.5 50x4 63x4.5 Rezerva

1 Curba 2.17 1.58 1.45 1.14 0.96 0.87 0.61 0.48 0.29 0.23 0.18

2 Cot 90 5.21 3.52 3.22 2.46 2.09 1.76 1.28 0.83 0.75 0.56 0.43

3 Teu de trecere la separare 4.34 3.03 2.30 1.71 1.30 1.17 0.75 0.51 0.36 0.32 0.25

4 Teu de trecere la unire 4.34 3.03 2.30 1.71 1.30 1.17 0.75 0.51 0.36 0.32 0.25

5 Teu de derivatie la separare 5.07 3.76 3.52 2.84 2.52 2.31 1.70 1.14 0.78 0.58 0.39

6 Teu de derivatie la unire 5.07 3.76 3.52 2.84 2.52 2.31 1.70 1.14 0.78 0.58 0.39

7 Teu in contracurent la separare 5.50 4.01 3.45 2.56 2.17 1.99 1.46 0.97 0.82 0.63 0.45

8 Teu in contracurent la unire 5.50 4.01 3.45 2.56 2.17 1.99 1.46 0.97 0.82 0.63 0.45

9 Racord drept 3.33 2.06 1.84 1.42 1.22 1.04 0.30 0.18 0.23 0.22 0.18

10 Reductie 2.90 1.94 1.84 1.52 1.39 1.28 1.09 0.97 0.78 0.58 0.57

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Lungimi echivalente PEXAL [m]

Nr.

crt.Tip Rezistenta Locala D [mm] 14x2 16x2.25 16x2 18x2 20x2.5 20x2 26x3 32x3 40x3.5 50x4 63x4.5 Rezerva

1 Curba 0.75 0.65 0.63 0.60 0.55 0.54 0.50 0.55 0.45 0.48 0.50

2 Cot 90 1.80 1.45 1.40 1.30 1.20 1.10 1.05 0.95 1.15 1.15 1.20

3 Teu de trecere la separare 1.50 1.25 1.00 0.90 0.75 0.73 0.62 0.58 0.55 0.65 0.70

4 Teu de trecere la unire 1.50 1.25 1.00 0.90 0.75 0.73 0.62 0.58 0.55 0.65 0.70

5 Teu de derivatie la separare 1.75 1.55 1.53 1.50 1.45 1.44 1.40 1.30 1.20 1.20 1.10

6 Teu de derivatie la unire 1.75 1.55 1.53 1.50 1.45 1.44 1.40 1.30 1.20 1.20 1.10

7 Teu in contracurent la separare 1.90 1.65 1.50 1.35 1.25 1.24 1.20 1.10 1.25 1.30 1.25

8 Teu in contracurent la unire 1.90 1.65 1.50 1.35 1.25 1.24 1.20 1.10 1.25 1.30 1.25

9 Racord drept 1.15 0.85 0.80 0.75 0.70 0.65 0.25 0.20 0.35 0.45 0.50

10 Reductie 1.00 0.80 0.80 0.80 0.80 0.80 0.90 1.10 1.20 1.20 1.60

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Nota: Coef. Zeta calculati pe baza lungimilor echivalente pentru w=2 m/s

Nota: Valori lungimi echivalente pentru Reductie preluate de la UNIPIPE