Emerson SR8 Datový list Strana 8

  • Stažení
  • Přidat do mých příruček
  • Tisk
  • Strana
    / 20
  • Tabulka s obsahem
  • KNIHY
  • Hodnocené. / 5. Na základě hodnocení zákazníků
Zobrazit stránku 7
Bulletin 71.4:SR8
8
Table 5. C
v
Coefcients (continued)
SPRING RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
C
V
AT % BUILD-UP
Elastomer Diaphragm Metal Diaphragm
NPS 1-1/2 (DN 40)  NPS 1-1/2 (DN 40)
10% 20% 30% 40% 10% 20% 30% 40%
2 to 8
(0,14 to 0,55)
2 (0,14) 1.95 2.54 2.81 3.31
Not Available5 (0,34) 1.55 2.73 4.87 6.66
8 (0,55) 1.47 3.05 6.32 8.91
5 to 25
(0,34 to 1,7)
5 (0,34) 1.37 1.64 2.54 2.94 1.37 1.51 1.81 2.06
15 (1,0) 1.87 4.12 7.34 8.17 1.31 1.68 2.40 3.08
25 (1,7) 2.16 5.32 9.55 10.50 1.35 1.81 2.71 3.57
15 to 70
(1,0 to 4,8)
15 (1,0) 1.87 2.94 4.14 5.83 1.37 1.62 2.16 2.79
30 (2,1) 4.83 7.28 7.83 8.70 1.66 2.59 3.66 4.76
45 (3,1) 6.25 9.33 9.54 10.01 1.81 3.05 4.36 5.66
50 (3,4) 6.57 9.79 9.92 10.30 1.84 3.16 4.52 5.86
60 (4,1) 7.09 10.52 10.52 10.76 1.89 3.32 4.77 6.18
70 (4,8) 7.48 10.90 10.90 10.90 1.93 3.44 4.95 6.42
25 to 90
(1,7 to 6,2)
35 (2,4) 1.85 3.13 4.40 5.66 1.07 1.41 1.75 2.25
50 (3,4) 3.61 6.48 7.44 8.17 1.46 2.29 3.11 4.05
75 (5,2) 5.20 9.49 10.15 10.39 1.82 3.08 4.31 5.65
90 (6,2) 5.79 10.59 10.90 10.90 1.96 3.37 4.75 6.22
35 to 100
(2,4 to 6,9)
35 (2,4) 2.93 3.99 5.59 8.06 1.47 2.00 2.59 3.28
50 (3,4) 4.13 6.41 7.91 9.36 1.64 2.47 3.57 4.75
75 (5,2) 5.22 8.60 9.97 10.51 1.80 2.90 4.45 6.04
100 (6,9) 5.83 9.80 10.90 10.90 1.88 3.13 4.93 6.75
75 to 125
(5,2 to 8,6)
75 (5,2) 5.85 9.55 10.56 10.51 3.62 5.21 6.22 6.38
100 (6,9) 6.05 10.50 10.74 10.41 3.89 5.08 6.70 7.87
125 (8,6) 7.46 10.68 10.81 3.96 5.52 7.34
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded.
SPRING RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
C
V
AT % BUILD-UP
Elastomer Diaphragm Metal Diaphragm
NPS 2 (DN 50)  NPS 2 (DN 50)
10% 20% 30% 40% 10% 20% 30% 40%
10 to 25
(0,69 to 1,7)
10 (0,69) 9.54 12.90 20.16 25.94 6.97 9.73 12.00 14.51
15 (1,0) 13.77 25.30 30.19 30.19 9.10 11.66 14.20 17.37
25 (1,7) 19.87 30.19 30.19 30.19 9.39 12.66 16.48 19.66
15 to 50
(1,0 to 3,4)
15 (1,0) 12.16 17.45 24.11 28.98 6.97 9.67 11.54 12.29
25 (1,7) 14.20 24.03 29.03 30.08 8.32 11.20 14.90 17.73
50 (3,4) 22.24 28.76 29.98 29.90 9.57 15.28 20.12 23.86
25 to 60
(1,7 to 4,1)
25 (1,7) 12.93 21.88 30.01 30.19 8.26 11.29 15.06 18.15
50 (3,4) 18.16 29.95 30.19 30.19 9.12 14.28 19.11 22.97
60 (4,1) 22.06 30.19 30.19 10.75 17.53 22.96
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded.
Table 5. C
v
Coefcients (continued)
Table 5. C
v
Coefcients (continued)
SPRING
RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
C
V
AT % BUILD-UP
Elastomer Diaphragm Metal Diaphragm
NPS 3 (DN 80) NPS 3 (DN 80)
10% 20% 30% 40% 10% 20% 30% 40%
10 to 25
(0,69 to 1,7)
10 (0,69) 12.81 17.24 24.09 28.28 8.76 14.51 19.01 22.35
15 (1,0) 13.42 21.30 28.37 35.03 11.58 17.34 21.63 25.08
25 (1,7) 17.78 28.44 37.90 39.21 13.03 19.27 23.95 28.24
15 to 50
(1,0 to 3,4)
15 (1,0) 10.11 15.34 22.43 28.58 11.25 16.30 20.36 23.58
25 (1,7) 12.15 23.16 33.49 39.21 10.85 18.05 22.17 26.93
50 (3,4) 12.51 26.03 38.44 39.08 14.70 23.64 28.97 33.40
25 to 60
(1,7 to 4,1)
25 (1,7) 11.29 20.42 28.43 35.61 10.73 17.26 22.36 26.33
50 (3,4) 13.31 25.82 37.56 39.11 13.57 21.54 27.47 31.76
60 (4,1) 24.47 34.81 39.21 15.57 23.99 30.03
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded.
Zobrazit stránku 7
1 2 3 4 5 6 7 8 9 10 11 12 13 ... 19 20

Komentáře k této Příručce

Žádné komentáře