E1C10 09/14/2010
13:4:39 Page 442
0
Separator
D = 6 diam.
2 Diam.
0.20
0.40
0.60
0.80
0
10
20
30
Diameter ratio,
Diameter straight pipe
Diameter straight pipe
Diameter straight pipe
0
0.20
0.40
0.60
0.80
0
10
20
30
40
Diameter ratio,
0.40
0.60
0.80 0.40
0.60 0.80
0
4
8
0
4
8
12
16
20
24
0
2
6
Diameter ratio,
B
A
B
Orificie or
flow nozzle
Longradius
bends
A
B
C
A’
2 Diam. Orifice or
flow nozzle
Straightening
vane 2 diam. long
Ells, tube turns,
or L.R.B.'s
Orifice or flow nozzle
B
A
D
Orifice or flow nozzle
B
A
D
D
B
A’
B
A
B
A
A
B
B
B
A
A’
C
A
B
12 Diam.
Venturi
Straightening vane
2 diam. long
B
Orifice or flow nozzle
Venturi
B
A
A
Straightening vane
A’
C
B
A
B
A
A –
E l b o w s o r t u b e tu rn s
A – L o n g -r a d . b e n d s
A’
C
B
B
B
B
A
Diameter straight pipe
0
0.20
0.40
0.60
0.80
0
10
20
30
40
50
Diameter ratio,
Two elbows
not in same
plane
Partially
throttled
gate valve,
globe valve
check
valve
W id e op en
ga te va lv e
R e d u c e r
E xp a n d e r
2 diam.
C
B
C – Fo r al l va lv es
A
A–G a t e v a l v e s w i d
e
o p e n
R e g u l a r a n d
p a r t i a l l y o p e n e d g a te v a lv e
A– G lo b e a n d
s t
o p
c h e c k
Drum
or
tank
Figure 10.13 Recommended placements for flow meters in a pipeline. (Courtesy of American Society of
Mechanical Engineers, New York, NY; reprinted from reference 1.)
442 Chapter 10 Flow Measurements